624 HISTORY OF PASADENA. 



BRYOPHYTA. 



CLASS I. HEPATIC.^. Liverworts. 



Order RicciacecB. 

 RICCIA Linn. 



R. AGGREGATA Und. Bot. Gaz. 19:275. Com. on bank and trodden soil. Decem- 

 ber — April. 

 R. ARVENSis Aust. var. hirta Aust. Com. on banks and in gravelly soil below 3000 



feet. December — April. 

 R. Gi,AUCA Linn. Shaded soil. January — April. 

 SPH.^ROCARPUS Mich. 



S. TERRESTRis Mich. var. calieornicus Aust. Com. on moist compact soil. Jan- 

 uary ^April. 



Order MarchantiacecB. 

 MARCHANTIA Linn. 



M. polymorpha Linn. Wet soil. O. K. ; A. S. ; Wilson Trail. 

 GRIMALDIA Raddi. 



G. CAL,iFORNiCA Gottsche. Shaded soil, Wilson Trail, 4000 feet. March — ^June. 



CRYPTOMITRIUM Aust. 



C. TENERUM Aust. Moist, shaded soil in canyons, below 3000 feet. March — ^June. 

 ■ASTERELLA Pal. de Beauv. 



A. CAEIFORNICA (Hampe.) Und. Com. on shaded soil below 5000 feet. Novem- 

 ber — April. 



A. NUDATA (Howe) Und. Frequent in gravelly soil below 2,000 feet. February — 

 April. 



AYTONIA Forst. 



A. ERYTHROSPERMA (Sulliv.) Und. Wet soil. R. C. Wilson Trail, 5,000 feet. 

 March — May. 

 LUNULARIA Mich. 



L. CRUCiATiA (Linn.) Dum. Com. in green-houses. 

 TARGIONIA Mich. 



T. HYPOPHYi,LA Linn. Com. on shaded banks below 4,000 feet. December — 

 April. 



Order AnthocerotacecB . 



ANTHOCEROS Linn. Horned-liverwort. 



A. FUSiFORMis Aust. Moist soil. Not common. March — May. 



A. LAEVis L. Frequent on wet rocks along streams. January — September. 



Order Jicyigermaniacecz. Scale-mosses. 



FOSSOMBRONIA Raddi. 



F. 1.0NGISETA Aust. Com. on shaded banks. December — April. 

 FRULLANIA Raddi. Scale-moss. 



M. BOLANDERi Aust. Bark on trees in S. G. Mts. December — ^June. 

 MADOTHECA Dumort. Scale-moss. 



M. BOLANDERI Aust. Com. on rock in S. G. Mts. December — April. 



CLASS II. MUSCI. 



Order Bryacecc. True Mosses. 

 EUCLADIUM Br. & Sch. 



E. vERTiciLi.ATUM (Unn.) B. & S. Shaded soil in S. G. Mts. None bearing sporo- 

 gonia collected. 



DICRANOWEISIA Lindb. 



D. ciRRHATA (Hedw.) Lindb. Shaded soil in S. G. Mts. March— May. 

 FISSIDENS Hedw. 



F. GRANDIFRON.S Brid. Under swiftly running water in canyons S. G. Mts. 

 F. LiMBATUS Sulliv. Com. in shaded soil. February — May. 



