A Synopsis of the British Mosses / Containing Descriptions of All the Genera and Species, (With Localities of the Rarer Ones) Found in Great Britain and Ireland, Based Upon Wilson's "Bryologia Britannica," Schimper's "Synopsis," Etc.

by Charles C. P. Hobkirk

446. H. (Brachythecium) plumosum. Swartz. St. creeping; branches long, frequently erect, sub-pinnate; l. ovate, concave, acuminate, sub-secund, serrulate near apex, nerved above half way; caps. small roundish ovate, cernuous, seta roughish at summit only; lid conical acute: monoicous.

Sub-alpine shady rocks, stones in rivulets, walls, &c. X.—III

Sub-genus V. Scleropodium. Areolation vermicular, slightly dilated and excavate at angles; caps. on a rough seta, sub-erect or cernuous, turgid, ovate or oblong and sub-incurved.

447. H. (Scleropodium) cæspitosum. Wils. St. densely tufted, creeping; branches slender, short, incurved; l. sub-secund, ovate, small, concave, serrulate, nerved above half way; caps. sub-cylindrical, slightly arcuate, sub-erect; lid long rostellate; dioicous.

Damp walls and roots of trees. XI.

Lancashire, Yorkshire, Cheshire, Sussex.

448. H. (Scleropodium) illecebrum. L. St. procumbent, sometimes sub-pinnate, branches incurved obtuse; l. roundish ovate, pointed, very concave, imbricate, serrulate, tip slightly recurved; nerve reaching above half way, its tip slightly projecting from back of leaf; caps. ovate-oblong cernuous, somewhat ventricose; lid bluntly conical apiculate: dioicous.

Banks and rocks near the sea. XI. XII.

Hampshire, Anglesea.

Sub-genus VI. Eurynchium. More or less pinnately branched; areolæ narrowly rhomboid or sub-vermicular, dilated at the angles; caps. cernuous and horizontal, on a smooth or rough seta; lid with a long beak.