entire, nerve strongly predominant, caps. oblong arcuate, gibbous, strumose, striate, sub-cernuous.
Alpine rocks. VIII.
var. β. molle. taller; l. wider lanceolate, purplish
brown; nerve not predominant.
Summit of Ben Nevis.
86. D. falcatum. Hedw. St. shorter, dichotomously branched and fastigiate; l. strongly falcato-secund, from a lanceolate base subulato-setaceous, denticulate at apex, nerve predominant, caps. shortly obovate, strumose, almost smooth when dry; lid large beaked.
Alpine rocks. VIII. IX.
87. D. Blyttii. Br. & S. St. branched fastigiate; l. flexuoso-patent, or sub-secund, from an erect base lanceolate-subulate, soft, entire, nerve predominant, per. l. sheathing; caps. sub-cernuous, ovate, incurved, without striæ, strumose, lid rostrate; per. teeth narrow inflexed when dry.
Alpine and sub-alpine rocks. VIII.
Sect. II. Orthocarpa. Densely cæspitose; st. 1
or more inches high, dichotomous, with or
without radicular fibres; l. secund, lanceolate-subulate,
smooth glossy, nerve excurrent or
nerveless. Caps. erect cylindrical; neck long
symmetrical; lid conical at base.
88. D. glaciale. Berg. Monoicous, in wide tufts,
without radicular tomentum, erect, 2-5 in. high, l. erecto-patent,
straight glossy, lowest minute lanceolate nerveless,
upper oblong at base, lanceolate-subulate, deeply concave,
