HYPNUM. 223 



Derbyshire localiiiies have been given, but the 

 specimens belong to a form of H, molluscum. 



546. H. hanmlosum, B. and S. St. 1 inch or more, 

 procumbent or ascending, radiculose, pinnate. Br., 

 hooked at apex. L. circinnate-secund, much curved, 

 tapering into a long, slender, subserrulate point, from an 

 ovate-lanceolate base, nerveless or obsoletely 2-nerved, 

 cells hexagono-vermicular, laxer at base, but scarcely 

 excavate or dilated at angles. Caps, subcylindrical, 

 curved, tapering at base, lid conical, pointed. 



Alpine grassy declivities. Summer. 



Scotland, Ben Lawers, Craig Challeach, &c. 



h. Dioicous. 



546. H, callichroum, Brid. St. prostrate or ascend- 

 ing, slender, without radicles. Br. pinnate. L. crowded, 

 falcate-secund and subcircinnate, from a broadly ovate, 

 concave base, narrowly lanceolate, much acuminate, 

 entire, almost or quite nerveless, cells narrow, sub- 

 flexuose, at basal angles lax, excavate, and yellowish. 

 Caps, oblong, incurved, cernuous, on a red, flexuose 

 seta, lid orange, very convex, acutely beaked. 



Damp stony mountainous places. July, August. 



North Wales, Scotland. 



547. H. imponens, Hedw. Csespitose, subpinnate. 

 L. imbricate, circinnate secund, filiform from a broad, 

 ovate-oblong base, margin reflexed below, minutely 

 serrate, obsoletely 2-nerved, alar cells large, pellucid, 

 orange-coloured ; br. 1. much narrower, and at apex of 

 branches . convolute and hamato-incurved ; per. 1. 

 nerveless, filiform, flexuose, apiculate. Caps, suberect, 

 cylindrical, incurved, lid convexo-conical, acutely 

 pointed, yellowish, annulus broad. 



