6 ON CALIFORNIAN MOSSES. 



22. BARBULA r u r a I i s Hc<Jw. 



On rocks near Mission Dolores, Oakland, &c. Very common in California. May. 



23. BARBULA M ii 1 1 e r i Bryol. Eur. 



On rocks ; less frequent than the former, and found in the mountains. Mount Diablo. 

 May. 



24. BARBULA latifolia Bryol. Em: 



On a fence-post near a creek three miles from San Rafael, Marin County. April, 

 1863. 



25. DESMATODON f 1 a v i c a n s Br. & Schmp. 

 On clay soil, San Francisco. Rare. 



26. DESMATODON nervosus Br. & Schmp. 



On the walls of an old Indian abode, and on clay soil ; rare. It differs from the Euro- 

 pean form by the leaves being Ungulate, a little more obtuse and shorter apiculate, and 

 by the inflation of the strong nerve above the middle. This last character is not persis- 

 tent. 



27. ANACALYFTA Starkeana Bryol. Eur. var. /? brachyodus. Weisia nffinis Hook & TuyL 

 Clay soil, San Francisco. 



28. TETRAPHIS p c 1 1 u c i d a Hcdw. 

 Rotten wood. 



29. ENCALYPTA v u 1 g a r i s L. 



Monte del Diablo, on clay soil, fissure of rocks. 



30. ZYGODON Californicum C. Mull. Mr. Miiller has not seen the male plant of this species. Inflo- 

 rescentia dioica ; planta mascula in iisdem csespitibus intermixta, feinineis validiori sub floribus innovante ramosa ; 

 floribus masculinis pentaphyllis ; perigonialibus externis duobus e basi dilatata longe linearibus internis brevibus 

 concavis ovato-lanceolatis acutis, versus apicem dentatis ncrvo ultra medium evanido; antheridiis numerosis para- 

 physibus que brevibus paucis. 



Grows on shaded rocks in a creek, near the road to a paper mill, Marin County. April, 

 1863. 



31. ORTHOTRICHUM T e x a n u m Sul. 



The teeth of the peristome of this species are often separated by sixteen rudimentary 

 fugacious cilioli. The inflorescence is monoecious and the male flowers axillary. On 

 shaded stones near Oakland, San Francisco. 



32. ORTIIOTRICHUM cylindrocarpum Spec. nov. Orthotricho strangulate affine, differt ; capsula longi- 



