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Camp to Lola Pass and Chudi Chu; botanical specimens 3634–3643

LSH/1/1/6/1/40 · Part · 1933-05-17

Fait partie de The Ludlow & Sherriff Collection

SUMMARY:
Route notes describe the march from camp to Lola Pass and a very steep descent, followed by a difficult traverse to a camp on the Chudi Chu with multiple stream crossings. Botanical collections 3634–3643 are listed, including several rhododendrons and primulas with habitat and diagnostic notes.

CONTENT:
20a

Camp to Lola Pass. 2 miles. Continue up R bank for a mile, with a considerable climb over a fir clad ridge, then over boggy open ground. Path then crosses the stream & climbs about 300 ft steeply, gradually easing off & turning more South. The last 300' is fairly steep but the whole route to the Pass is easy.

Descent to camp at m 4. Descent very steep indeed, fairly open for 1/2 mile, then through dense fir & rhodo forest. At m 3 the main stream is crossed to the R bank, & the valley turns South. Follow this down, crossing to L bank at 3 1/2. A poor camp available at m 4.

R. exasperatum. A fine Barbatum Ser. Rhod. Common among R. Thomsonii & Abies. Beautiful rich crimson corolla.
Rhod. lopangense Thomsonii Series. Very common. Seems to have more indumentum on under leaf than R. Thomsonii.
Primula aff. atrodentata. (P. crispa?) This does not appear to be P. atrodentata. It is smaller, a smaller less pronounced eye, colour rather different. Only seen in one place.
Primula vernicosa. Only differs in habitat. First time seen in dense jungle. Smaller flower than usual.
Diapensia yellow. The first time we have seen this yellow one. Common.
Asteropyrum peltatum. Ranunculus sp.
Primula geraldinae sp. nov. Common where found. The mark of this is the farinaceous eye. Only growing on quite inaccessible cliff faces in wet moss. A pretty primula & new to us.
Rhod. sulphureum sp. (small yellow shrub). Fairly common, on cliff faces.
Rhod. forrestii var repens sp. aff repens. Does not appear to be repens, or even serpens. Found to the left (North) of Primula geraldinae 3640.
Rhod. hodgsonii grande.

Camp to Camp on Chudi Chu. 6m. Keep down the L bank through dense rhodo & fir forest. Path very bad indeed, along logs & up & down notched logs, for 2 miles to bridge (1 plank) over main stream to R. bank. Thence path very bad still through dense forest, very steep in places to a very small clearing - room for three tents to camp, where there is a bridge to the L bank again. Path very difficult the whole way. Rough bearing of march 340° M.

Camp east of Lo La near Pachakshiri; snow crossing and plant notes

LSH/1/1/6/1/41 · Part · 1933-05-17

Fait partie de The Ludlow & Sherriff Collection

Tum La plant collections and route notes to Tunga La and Datang

LSH/1/1/6/1/92 · Part · 1938-07-08

Fait partie de The Ludlow & Sherriff Collection

SUMMARY:
Field notes from Tum La on 7–8 July record multiple Primula and other alpine species, with observations on colour forms, abundance, and habitat. The page also notes a path from near Nagu toward the Tunga La and describes the easier south-side descent of Tum La, with the village of Datang reported as two marches away.

CONTENT:
46a
Tum La 7 & 8 July

Primula reticulata flexitipes? Nagu Chu
Primula aff. alpicola violacea. Tum La. I don't know this colour variation, if this is P. alpicola. A very pretty primula, constant as far as I saw. Only on the Pass from the South side.
8/7. Common to the E of the Tum La.
Primula calliantha nivalis Sect. Tum La. No flowers seen. Two very wet & quite withered flowers were found on one plant, often seemed to be yellow, I have not seen this primula before. Not common here.
Omphalogramma elwesiana minus? Tum La. Common, but flowers nearly all over.
Primula barbata? Tum La. Very like 3990, but rather bigger, perhaps because taken later.
Primula vernicosa. Tum La. Leaves were rather like P. Boothii for which I at first took it, but the short pedicels put it as P. vernicosa I think. P. elizabethae 5777.
Meconopsis lyrata var. flava aff. argemonantha. Tum La. Although the colour is "pale lemon yellow" the yellow is very distinct, & could not be mistaken for white ever. Otherwise appears very like P. argemonantha, obtained from a very similar habitat. 8-10 left for seed numbered, but the place will be hard to find, as the mist was so thick today we could see nothing of the ridge we were on even.

Rhod. cerasina 5768, Chariessa 5769, Diapensia multiflora 5772. Tofieldia yunnanensis 5773. Rosa sericea 5776.
Cremanthodium reniforme 5780. Rhod. trilectorum sp. nov. 5782.

X. Near the bridge this side of our first camp & Nagu a path leads to the East, to the Tunga La, over which Lopas come in August (a different sort to these). The Tunga La would be a day's march from the Nagu Chu.

X. Descent on South side of Tum La is easier than on the North, but the path very bad indeed, in heavy rain, is a torrent. Direction at first South, then S.E. The distance to the first village, called DATANG is said to be two marches for laden men, about 15-20 miles probably.