214 HEPATIC.^. 



Obs. — Distinguished from all other Scupanice (except S. aspera, 

 M. & B., which see) by the leaves and perianth being minutely 

 verruculose, in addition to other characters. 



The best method to observe this feature is to detach a leaf and 

 bend it between the slide and cover glass in water ; with a \ inch, 

 numerous minute warts are observed on the surface of each cell. 

 Its neat habit, regular leaves, not deeply divided, with the dense 

 cells, separate it from allied species. 



From an exhaustive study of every specimen I have had the 

 opportunity of examining, I am only able to give the few stations 

 above recorded for this species, all the others I have to refer to 

 Scapania aspera, M. et Bern. ; the type seems to be better repre- 

 sented in the male stems, which are more regular and neater in habit. 



Description oy Plate LXXXIII. — Fig. 1. Plant natural size. 



2. Portion of stem, antical view x IG (Moidart, Macvicar). 



3. Leaves x 16 (ditto). 4, 5. Leaves x 24 (Winch Bridge, 

 K. Spruce). G. Portion of leaf x 290 (ditto). 7. Bract, 

 explanate x 16 (Austria, Jack). 8. Portion of stem with 

 perianth x 16 (ditto). 9. Portion of mouth of perianth x 85 

 (ditto). 10. Perigonial bracts x 16 (404 Gr. & R.). 11. An- 

 theridium x 85 (ditto). 



5. Scapania aspera, Midler &,' Bertiet. 



Scapania aspera, M. & B., Henri Bernet, Catalogue Hep. du Sud-Ouest de la 



Suisse et de la Haute-Savoie (1888). 

 Exsicc. G, & R. Hep. Eur. n. 02 (as Scapania nemorosa), n. ooi (as Scapania 



nemorosa), n. 602 (as Scajxmia mquiloha forma dentata), Massal. Hep. It.Ven. 



n. 62 (as Scajxmia cerjuiloba, var. dentata). 



Dioicous, loosely depresso-ctespitose, of a reddish- or olive-brown 

 colour. Stems tallish, simple or slightly branched, firm, blackish, 

 recurved at the apex, denudate at the base ; radiculose, rootlets 

 few, whitish. Leaves transversely inserted, somewhat smaller and 

 distant below, contiguous or imbricate above, subsecund, unequally 

 bilobed to about the middle, margin ciliate-dentate ; postical lobe 

 more distinctly ciliate, about 25 cilia around the margin ; antical 

 lobe with rather more distant teeth or cilia ; about half the size of 



