500. H. Sendtneri. Schpr. (H. aduncum, ε hamatum and ζ giganteum, Bry. Eur.) St. 3-6in. simple, pinnate; l. falcato-secund, broadly oblong lanceolate, hooked above, distinctly auricled at sub-decurrent angles, glossy, lightly sulcate only when dry, nerve vanishing below apex; basal cells rectangular, hyaline, yellowish, at angles brownish-yellow lax; caps. ovate-oblong, erect at base, arcuate.
Bogs. Scotland, and near Birmingham.
var. β. Wilsoni. St. very tall, sometimes 1ft., yellow
green, with slender, nearly simple branches; l.
larger, with a filiform acumen, auricles very
small.
501. H. vernicosum. Lindb. 1861. (H. pellucidum,
Wils. MS.; H. aduncum, var. tenue, Bry. Brit.) St. erect,
rather rigid, pinnate; l. shorter falcato-secund, the apical
ones involute, ovate, oblong-lanceolate, distinctly sulcate,
neither auricled nor decurrent, very glossy, yellow green,
nerve vanishing far below apex; cells very narrow, vermicular,
purplish at base; caps. oblong cernuous, arcuate.
Wybunbury Bog, Cheshire.
502. H. intermedium. Lindb. (H. Cossoni, Schpr.) In habit like H. Sendtneri, var. β. St. elongate, flexuoso-erect, interruptedly pinnate; branches very unequal; l. falcato-secund, ovate-oblong, becoming lanceolate, not furrowed, with minute decurrent auricles, nerve vanishing far below apex; cells very narrow vermicular opaque; outer per. l. squarrose; fr. as in Sendtneri.
Bogs, frequent.
