Moist banks. X. XI.
var. β. minus. smaller generally; “hairs of calyp. confluent below capsule.”
277. P. urnigerum. Brid. St. 1–4in. branched above, reddish below; l. spreading linear-lanceolate from a short broader sheathing base, acute serrate; caps. narrowly cylindrical regular papillose, lid convex with a short beak.
Mountainous banks and sides of streams. X. XI.
var. β. crassum. l. broader, caps, oval-oblong, lid with a longer beak.
278. P. alpinum. Brid. St. much longer, branched above, decumbent below; l. linear-lanceolate from a sheathing base, gradually tapering, serrate, back spinulose, margin inflexed; caps. generally inclined, ovoid, tumid, smooth, lid small, with a long curved beak.
Sub-alpine localities. E. S. I. VI.
var. β. arcticum. caps. oblong sub-cylindrical. δ. campanulatum. st. short, l. narrower and shorter; caps. apophysate; calyp. campanulate.