Hepatite of North America. CM 



10. F. Wrightii Aust. Stems short, prostrate, the fruit- 

 bearing branch shortened; leaves imbricate, subrotund, strong- 

 ly convex, obliquely decurved, unequally cordate at base, the 

 margin entire, the auricle rotund or subobovate; amphigastria 

 broadly obovate, emarginate-bidentate J their length, the mar- 

 gin repand-dentate; involucral leaves united with one another 

 or with the amphigastria, the dorsal lobe oblong, entire or sub- 

 repand, inflexed-cucullate at the apex, the ventral lobe shorter 

 by half, ovate-lanceolate, often subfalcate. 



Hab.N. Mex. ( Wright). 

 BibTorrey Bull. Ill, p. 15. 



11. F. seolotis Nees. Stems procumbent, irregularly 

 branching or subpinnate; leaves semi-vertical, subsquarrose, 

 obliquely cordate, the auricle either galeate or expanded into a 

 caniculate, ovate-lanceolate lobule; amphigastria ovate, entire 

 or the upper margin angular-dentate, acutely bifid; sporogony 

 phase unknown. (F. riparia Hampe MS.) 



Hob. On trees and rocks chiefly in mountainous regions. 



Bib. Syn. Hep. p. 417. 



Exsic. Hep. Bor.-Amer. No. 101. 



Leaves ovate or oval. 



12. F. Virginica Gottsche. Stems creeping, vaguely 

 branching; leaves ovate, entire, somewhat concave, the auricle 

 sometimes expanded into a lanceolate lamina; amphigastria 

 ovate-rotund, bifid, double the width of the stem; inner invo- 

 lucre compressed, pyriform, tuberculate, quadricarinate ven- 

 trally, bi-quadricarinate dorsally, the carinas tuberculate. 



Hob. On bark of trees, rarely on rocks ; common. 



Bib. Syn. Hep. p. 419. 



Exsic. Hep. Bor.-Amer. No. 103. 



13. F. Hutchinsise Nees rut: Stems subpinnately 

 branching; leaves dark olive-green verging on black, ovate, 

 acute, entire, or subrepand, the auricle ovate, not spurred as in 

 European forms; amphigastria roundish, plane, bifid, subser- 

 rate; inner involucre oblong-obovate, plane above, carinate 

 beneath; involucral leaves bifid, serrate. (Jungermania Hutch- 

 insice Hook., Jiibula Hutchinsiw Pumort.) 



n 



