HYPNEI. 79 



In dry grassy places, on thatched roofs, but more especially 

 on sand-hills and sand-cliffs, etc. Not uncommon. Bearing 

 fruit, though rarely in early spring. 



Dioicous; forming whitish, shining tufts; branches few, 

 erect; leaves pointing every way, sulcate, ovate, strongly 

 acuminate, entire, more spreading when moist, nerve reaching 

 above halfway up ; fruitstalk even ; sporangium ovate, curved, 

 dark brown ; lid conical, acute. 



This is closely allied to the last, especially in the smaller 

 forms, but its habit is more delicate, the plant more erect, and 

 the leaves, though acuminate, by no means piloso- acuminate. 

 I find them quite entire, but they are sometimes minutely 

 serrulate at the tip. 



ft Leaves even or only slightly striate. 



a. Fruitstalk rough. 



% Lid conical or acute. 



6. H. veluturum, Dil., L. ; decumbent, irregularly pinnate ; 

 branches crowded, often curved at the tips ; leaves spreading, 

 subsecund, ovato-lanceolate, acuminate, serrated ; nerve reach- 

 ing halfway; fruitstalk rough; sporangium ovate, cernous; 

 lid conical, not very acute. — Hook. §■ Wils. t. xxvi. ; Eng. 

 Bot. t. 1568, 2421. ; (Plate 5, fig. 4) ; Moug. §■ Nest. n. 835. 



On the trunks of trees and occasionally on stones and on 

 the ground. Common. Perfecting its fruit in winter or early 

 spring. 



Monoicous ; forming flat tufts of a dark green when grow- 

 ing in the shade, but tawny when exposed to the sun. Stem 

 creeping; branches crowded, irregularly pinnate; leaves in- 

 clined to be secund, ovato-lanceolate, acuminate, toothed, 

 margin recurved at the very base, nerve not much exceeding 

 the middle of the leaf, cells loose ; fruitstalk rough, half an 



