Hepaticce of North America. 109 



5. S. Oakesii Aust. Leaves obovate, somewhat spread- 

 ing, often deflexed, convex, closely complicate-bilobed, the lobes 

 obtuse, serrate-dentate, the upper twice as large, coarsely den- 

 tate on the margin and the carina with deep purple spur-like 

 teeth, the dorsal lobe subrotund, less dentate; inner involucre 

 compressed, the mouth truncate, usually dentate. 



Hob White Mts., N. H. (Oakes, Austin), Observatory Inlet (Douglas). 

 Bib.Torrey Bull. Ill, p. 10. 

 Exsic. Hep. Bor.-Amer. No. 14. 



fff Margins of leaves ciliate-dentate. 



6. S. nemorosa Nees. Stems ascending, crowded; leaves 

 unequally complicate-bilobed, the lobes convex, obtuse, ciliate- 

 dentate, the ventral obovate, oblique, twice as large as the dor- 

 sal; texture rather fine; inner involucre ciliate at the mouth. 

 (Jungermania nemorosa L.) 



Hob. On rocks and on the ground in swamps, etc.; common, very 

 variable. (Eu.) 



Bib. Syn. Hep. p. 68; Hep. Europ. p. 38. 



Delin. Brit. Jung. t. 21 (excl. f. 1, 8, 17-19) ; Ekart, t. II, f. 10. 



Exsic Muse. Alleghan. No. 224, 225, 226; Hep. Bor.-Amer. No. 16, 

 17, 18. 



7. S. Bolanderi Aust. Stems somewhat dichotomous, 

 caespitose, ascending; leaves acutely complicate, coarsely ciliate- 

 dentate, the ventral lobe strongly convex, obliquely obovate- 

 oblong, round-obtuse, decurved-spreading, the dorsal a half 

 shorter, not narrower, less convex, orbicular or broadly ovate, 

 erect-subvertical or somewhat appressed, the apex somewhat 

 acute, more coarsely dentate, slightly incurved, the outer mar- 

 gin produced at the base into long deflexed often compound 

 cilia; inner involucre compressed, oblong, the mouth subciliate. 

 (S. California Gottsche in Bolander's Cat.) 



Hab. Redwood trees, Cal. (Bolander), Oregon and Br. Col. (Scouler), 

 Vancouver's Island (Douglas). 



Bib. Pro. Phil. Acad. 1869, p. 218; Torrey Bull. VI, 85. 

 Exsic. Hep. Bor.-Amer. No. 19. 



8. S. undulata Nees and Mont. Stems erect, subdichot- 

 omous; leaves lax, spreading, entire or ciliate-denticulate, the 

 lobes round-trapezoidal, the dorsal half as large except at the 



