80 Illinois State Laboratory of X1nral History. 



an obconic base, compressed, subtruncate at the apex; involu- 

 cral leaves small, the lobes equal, somewhat oval; capsule ob- 

 long; spores large, fuscous, minutely papillose; male spikes 

 2 8 mm. long, closely leaved. 



Hab.Ou trees, Cal. (Kolander), Salem, Ore. (Hall). 

 Sib.-Torrey Bull. VI, 19. 

 *** Leaves distant; inner involucre somewhat clavate. 



9. R. obconica Sulliv. Stems indeterminately branch- 

 ed; leaves distant, the dorsal lobe obovate-roundish, convex; 

 inner involucre clavate-obconic, the mouth obliquely truncate, 

 entire. 



Bab. On trees in cedar swamps, rare; 0. (Sullivant), N. J. (Austin). 



Sib. Sulliv. Mosses U. S. p. 100. 



Delin. Sulliv. Mosses U. S. t. VIII. 



Exsic. Hep. Bor.-Amer. No. 88. 



XII. BLEPHAROSTOMA DUMORT. 



Sporogonium terminal on the main stem or a short branch. 

 Involucral leaves numerous, everywhere imbricate, jointed-cili- 

 ate. Inner involucre free, exserted, terete, glabrous, exceeding 

 the calyptra, contracted and ciliate at the mouth. Capsule 

 quadrivalved, coriaceous. Elaters bispiral, deciduous. Name 

 from Gr. blepharon, an eyelid, and stoma, mouth, from the form 

 of the inner involucre. 



1. B. trichophylla Dumort. Plant minute, light-col- 

 ored; stems flaccid, branched, creeping; leaves and amphigas- 

 tria 3-4-parted, the divisions straight, spreading bristle-formed, 

 each composed of a single row of cells; inner involucre termi- 

 nal, ovate. (Jungermama trichophylla L.) 



Hob. On the ground and rotten wood, common. (Eu.) 

 Bib. Syn. Hep. p. 146, 687 ; Hep. Europ. p. 95. 

 Delin Ekart, t. IV, f. 27. 

 Exsic. Hep. Bor.-Amer. No. 84. 



XIII. BLEPHAROZIA DUMORT. 



Dioecious. Sporogonium terminal on short branches. In- 

 volucral leaves 2-4, 4-cleft. Inner involucre terete, obovate, 

 the mouth connivent, plicate, denticulate. Calyptra pyriform, 



