274 HISTORY OF BRITISH MOSSES. 



10. Hypnum Megapolitanum, Bland. {MecUenhmjh 

 Feather Moss.) Broadly csespitose; stem creeping, elon- 

 gated, slightly branched; leaves spreading, loosely imbricate, 

 ovato-acuminate, thin, reflexed at the base, and denticulate; 

 nerve dimidiate, carinate; capsule horizontal, oblong, in- 

 curved. — 3MI. Sijn.pt. 'i.jp. 353. Rhynchostegium Mega- 

 politanum, Br. et Sc/i. 49-51. 



Near Shoreham, Sussex, Mitten, 1846. Pound also 

 throughout Germany, Erance, and the Western Pyrenees. 



11. Hypnum pallidirostrum, Brid. {Tale-healed Fea- 

 ther Moss.) Tufts spreading widely, slender, greenish- 

 white; branches confervoid, pinnulate; cauline leaves erecto- 

 patent, small, lanceolate, acute; margin erect, subdenticu- 

 late, with a green nerve disappearing before the point ; 

 perichpetial leaves much larger, rising from a broad sheath- 

 ing base, into a short denticulate acumen; capsule glo- 

 bose, or oval, on a strong, red, roughish seta ; lid obliquely 

 subulate. — 3Iull. Spi. pt. '2. p. 413. Hypnum pumilum, 

 Wiis. in Eng. Bot. Suppl. t. 2943. 



12. Hypnum sarmentosum, Wahl. {Sarmentose Feather 

 Moss.) Stem prostrate, elongate, purplish, and cuspidate; 

 branches short, incurved, acute, pinnate, somewhat rigid; 

 caubne leaves loosely erect, crowded, oblongo-ligulate, ter- 



