cylindrical incurved, arcuate when dry; lid with a short thick beak. [Schp. Syn. 469, Bry. Eur. v. t. 511.]
Sandy shores. Southport, Dublin, Sussex. Spring.
473. H. (Rhynchostegium) murale. Dill. St. short, creeping, with erect crowded branches; l. closely imbricate, roundish ovate, concave, faintly serrulate, cucullate at apex, which is slightly mucronate, not acuminate, nerved half way; caps. ovate, somewhat cernuous; lid flattish, with a long beak.
Walls, &c., chiefly limestone. X.
474. H. (Rhynchostegium) ruscifolium. Dill. St. creeping, with long irregular procumbent branches; l. complanate and sub-secund, ovate, with a cordate base, serrate, stoutly nerved nearly to apex; caps. shortly ovate cernuous; lid convex, with a very long beak.
Rocks and stones in rivulets, frequent. XI.
Sub-genus IX. Thamnium. Dendroid from a creeping
rhizome; l. sub-complanate, nerved, areolæ
minute, quadrate or rhomboid at apex, narrowly
oblong at base; caps. short and sub-arcuate
with the seta, turgidly ovate, lid with a long
beak; inner perist. with long appendiculate
cilia.
475. H. (Thamnium) alopecurum. Dill. St. 2-3in.
naked below, pinnately branched above; l. spreading ovate-lanceolate,
somewhat concave, serrate, strongly nerved
nearly to apex; caps. shortly ovate, cernuous or erect, lid
with a long oblique beak: dioicous.
Moist woods, rocks, &c. XI.
