HYPNUM. 231 



decurrent basal angles. Caps, oblong, much curved, 

 tapering below, lid conical, acute. 



Marshes. May, June. 



Var. yS. pungbns. St. and br. fragile. Br. circinnfite. 

 L. nerveless ; st. 1. imbricate, less decurrent ; br. 1. 

 all strongly convolute (so that the branches are terete, 

 aubuliform), colour pale olive. 



Yorkshire, Scotland. 



565. H. Schreberi, Willd. St. 4 — 6 inches, erect, 

 pinnate, deep red, with slender, curved branches, 

 somewhat cuspidate at summit. L. convolute, after- 

 wards erecto-patent, elliptical or ovate-oblong, concave, _ 

 obtuse or slightly acuminate, subsulcate, margin re- 

 curved at base, incurved above, shortly ^-nerved, cells 

 at basal angles enlarged, quadrate, orange. Caps, 

 ovate-oblong, curved, cernuous, lid conical, pointed. 



Woods and shady banks. Autumn. 



566. H. pnrnm, Linn. St. 4 — 6 inches, not coloured, 

 erect, pinnate. Br. slightly curved, not cuspidate at 

 apex. L. turgid, imbricate, broadly elliptical, concave, 

 with recurved points, almost boat-shaped, entire, nerved 

 half way, minutely serrulate; br. 1. smaller. Caps, 

 ovate, suddenly horizontal, lid conical. 



Shady banks. Spring, 



h. Stem almost simple or sparingly branched. Leaves 

 closely imbricate when dry. 



Dioicous. 



567. H. stramineum, Dicks. St. 2 — 4 inches, erect, 

 filiform, with few erect branches. L. erecto-patent, 

 elliptic-oblong, obtuse, entire, concave, thinly nerved 

 nearly to apex, cells enlarged, quadrate, and pellucid 



