Part 130 - Prim. No. 3301 – P. umbratilis? habitat and coloration notes

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SUMMARY:
Notes question the identification of Prim. No. 3301 as P. umbratilis, contrasting Cooper’s description with observed deep coloration and a high-elevation cliff habitat between 14–15,000 feet in the rhododendron zone. The plant is noted on very steep cliffs and is said to extend to the extreme top of the abies zone, with a cross-reference to 2576.

CONTENT:
Prim. No. 3301. Is this P. umbratilis? I have only seen it between 14-15000'.
It is apparently always deeply coloured, not pale to white as described
by Cooper, so far I have never seen it below the purely rhododendron
zone, always on very steep cliffs, on grassy ledges. * 2576. Extends to
extreme top of abies zone.