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SUMMARY:
Notes describe abundant white Primula (P. tsariensis alba) on south- and east-facing screes, a steep shortcut descent by gully, and the winding down of high-altitude collecting. The writer lists misses (P. dryadifolia, P. Griffithii) and counts about 40 Primula species, including many not seen before, expressing satisfaction with work on the Black Mt.

CONTENT:
Primula 79

there, there is very little fern. It was mostly in fine screes, on the slope
above the level, a grand sight. Then suddenly that was all over, and
P. tsariensis alba 3366
we walked into the white pet. primula 3366. It was almost equally
abundant, but mostly on the faces aiming South and East. We really
saw nothing new, but I was anxious to see these two primulas growing
in their masses. We came down a short cut for the last 3000 ft.
down a gully, not a recommended path, but it did get us home
quicker than if we had gone by the nearest path. Our collecting
for the year is now almost over. We will get more things of course,
but the high altitude work is finished, one can only hope for
one or two more primulas, and those certainly known ones. Among
primulas, the two most obvious misses are P. dryadifolia and
P. Griffithii. We may have a var. of P. Griffithii, but I would not
put it down as that. We now have, according to me, but
perhaps not according to Wright Smith, 40 species of primula. About
a few I am doubtful. Of these there are 16 I have not seen
before, and besides the 16, another five we did not get last year. I
am quite satisfied, more so, as on the Black Mt.

SUMMARY:
Page lists Primula specimens with notes on morphology, flower colors, abundance, and growth habits, including forms such as P. caveana, P. muscoides, P. glabra, and P. waddellii. Mentions comparison with earlier collections at Waitang and a reference to a specimen from 1938.

CONTENT:
(3) 136 33.

53. 19185 P. atrodentata Same as 3636 in 1938.
    19186 P. walshii Scape up to 1" long bearing 1, 2 or 3 flowers. No farina.
54. 19190 P. bellidifolia.
    19195 P. sikkimensis. A fine form with big flowers, yellow or almost white.
    19203 P. muscoides. 34.
    19204 P. strumosa. See my 19000 A B or C taken at Waitang where a glorious mixture of colours
    19211 P. caveana v. alba
55. 19212 P. tenuiloba
    19213 P. concinna 35. I think this is correct because of the fairly copious yellow
    19216 P. macrophylla v. macrocarpa
    19226 P. caveana v. alba. A good collection of 5 sheets, but they are odd plants
    19227 P. capitata.
56. 19231 P. muscoides. Mixed blue and white, which grow actually touching each
    19244 P. macrophylla v. macrocarpa
    19245 P. glabra
    19251 P. umbratilis. Not fully grown.
    19255 P. caveana - full grown.
57. 19318 P. atrodentata. With new plants growing out from old flower head.
    19325 P. glabra.
    19330 P. waddellii 36. The colour of this is so distinct, that it cannot be confused with P.
    19332 P. umbratilis. I have never seen so much as on this cliff. All of it is very pale indeed, or some
    19346 P. soldanelloides 37 I never noticed before the quite different texture of the corolla. Ask for
58. 19364 P. muscoides. White form. Here v. common.
    19373 P. waddellii. Very common indeed here, in quite big clumps, not singly, as
    19378 P. jonardunii. 38 Common here, on open steep grass hillsides, not so much
    19383 P. caveana. Much scarcer here than round about Waitang.
59. 19392 P. concinna v. alba. 80% of P. concinna here are white, remainder pink purple, no

SUMMARY:
Page lists collecting notes for Primula (including erythrocarpa, filipes, boothii, and denticulata forms), with localities and dates in February–April. Routes and sites include passes and rivers, with an elevation note of 12000' and a remark on commonness at Paka gao.

CONTENT:
1202 Primula erythrocarpa? Sanden to Takhtoo 9.3 - 14.3. Changpu 21.3. Gyipu 22.3.
Sakti 25.3. Pangchen 31.3. Trimo.

(Whitei)
1166 Blue Primula. Mera 9.3. Nyaksung La 13.3. Sanden 13.3. Gyipu 22.3. Lepo 7.4. (1291)
Lung. 1388. 12000' 29.4. Kyimpu. Choram - Migyitun. (Paka gao - 12500' common). Kingkor.

(Boothii)

1167. Pink Primula. Mera 9.3. Sanden 13.3. Nyam Jang Chu to Lepo.

1126 Primula filipes. Chungkar 26.2. Yonpu La 1.3. Takhtoo 15.3.

1197: P. Boothii Yonpu La 1.3. Choling La 3.3. Takhtoo 15.3. Pangchen 31.3. Le.
Lepo. 8.4. (1292)

1278 Primula (Denticulata) white eye. Le - Lepo.

SUMMARY:
Notes on Primula populations, including suspected Strumosa × Calderiana hybrids (nos. 3432–3436) and the true yellow form 3383 (strumosa nana), with observations on color variation and density. Records additional collections 3445–3446 of a Primula sp. nov. (tsariensis and tsariensis alba), detailing habitat differences between blue-purple plants on west-facing scree and white forms on sunny grassy slopes.

CONTENT:
also keep apart as a rule. One or two slight variations were seen among them, but very few. I also took P. Roylei (Calderiana) from here, No 3437, but P. Roylei (Calderiana) has nothing to do with these colour variations. It can always be separated by its extremely unpleasant smell, noticeable 100 yards off, by the fact that it is farinaceous. 3432-3436 (Strumosa x Calderiana) must presumably be an interesting example of hybridisation. The area in which they were all found, was not more than 50 yards x 50 yards, there were not a great many of the species in that area. Half a mile on, the true yellow form 3383 (strumosa nana), was very common, but kept to itself. All these colour variations seem to tend to many more flowers in a head.

14.7.37. No. 3445 & 3446. Pet. primula sp. nov. (tsariensis) And ref. above. I have collected more of 3367 & 3366 (tsariensis alba) under the numbers 3445 - 3446 today. The blue purple one was mostly on the W faces. I saw it on about half a mile of hillside, mostly pure fine scree, with a little grass, & there were no colour variations among them. It remains a primula with short scape & small leaves. 3446 (3366) was almost entirely on the sunny faces, in grass. Whereas the blue one had no colour variations where growing in mass, the white one certainly shows variation. There were some slightly yellow

SUMMARY:
List of Primula specimens with collection numbers and notes on abundance, elevation, and localities across Bhutan in 1949. Mentions collectors identified by initials (B.S, J.H., G.S.) and notes presence or absence around passes and places such as Rip La, Shambling, Tomtom, Sergung La, Takhung, Rudu La, Chenbi Rongang, Dunkhar-Nashima, and Tsampa; notes that some species were not previously collected by L+S.

CONTENT:
xx Never collected by L+S. before.

• .. .. .. in Bhutan ..

Primulas taken 1949

By 18614 P. denticulata. 1 Common all over the country.
B.S 18644 P. bracteosa. 2 Also common on Rip La: Julu: above Shambling:
J.H. 18669 P. filipes? 3xx
G.S. 18673 P. gracilipes 4 v. common near Tomtom.
18675 P. bracteosa v. common at Sergung La beyond Takhung.
18676 P. whitei 5 Not on Rudu La.
18740 P. Normaniana 6
18749 P. filipes 7
18806 P. sp. non mollis 8xx Much more plentiful near Chenbi Rongang.
18809 P. Normaniana
18816 P. mollis Common at Shambling. 6500'-7500'. v. common Dunkhar-Nashima.
18846 P. atrodentata? 9 near atrodentata. No farina. Like No 3636.
18894 P. Hookeri 10 Just before the small pass 2 m E of Rudu La & more W. of the same pass.
18895 P. Calderiana 11
18896 P. elongata. 12 Down steep bit. Along a bit to open where much Calderiana, then common.
18901 P. Smithiana 13
18913 P. geraniifolia 14
18946 P. Barnardoana 15
18947 P. Calderiana All over Tsampa.
18954 P. Calderiana v. alba
18955 P. elongata.
18957 P. atrodentata Everywhere.
18976 P. sikkimensis 16
18981 P. elongata.
19000 A. P. Calderiana
B "
C "

SUMMARY:
Checklist of Primula species collected in 1937, with notes on prior collection status and several specimen numbers. Localities mentioned include Chendebi and Tang Chu.

CONTENT:
x not collected in 1936
xx " " " before.
Primulas collected. 1937.

42. P. bracteosa.

1 P. Boothii.
P. erythrocarpa
P. flagellaris
P. sp. nov. Chendebi xx
5 P. strumosa elongata
P. Roylei.
P. macrophylla.
P. glabra.
P. geraniifolia xx
10 P. sp. nov. Tang Chu. xx
P. Hopeana
P. sapphirina x
P. tenella. xx
P. Winteri.
15 P. Boothii high alt. var.
P. pusilla. x
P. Stirtoniana x
P. obliqua. x
P. prenantha? xx
20 P. nivalis dwarf sp.
P. tenuiloba.
P. sikkimensis.
P. Menziesiana xx
P. bellidifolia xx
25 P. atrodentata
P. Griffithii sp. hancini
P. vernicosa.
P. pudibunda 3370
P. sikkimensis var. 3353. xx
30 P. sp. nov. 3366 hancini xx
P. " " 3367 xx
P. " " 3383. xx
P. umbratilis white 3384 xx
P. " blue 3394 xx
35 P. capitata.
P. soldanelloides. x
P. muscoides.
P. obtusifolia Caveana xx
P. Walshii 3413 concinna xx
40 P. Caveana 3410 xx
P. uniflora 3438. x
P. involucrata 3226. x