624 HISTORY OF PASADENA. 



BRYOPHYTA. 



CLASS I. HEPATIC.^. Liverworts. 



Order Ricciacecz. 

 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. GLAUCA Linn. Shaded soil. January — April. 

 SPH.EROCARPUS Mich. 



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

 uary — April. 



Order MarchantiacecE. 

 MARCHANTIA Linn. 



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

 GRIMALDIA Raddi. 



G. CALiFORNiCA 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. CALiFORNiCA (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 (SuUiv.) Uud. Wet soil. R. C. Wilson Trail, 5,000 feet. 

 March— May. 

 LUNULARIA Mich. 



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

 TARGIONIA Mich. 



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

 April. 



Order Anthocerotacea; . 



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 Jiinget7na7iiacecr . Scale-mosses. 



FOSSOMBRONIA Raddi. 



F. tONGiSETA Aust. Com. on shaded banks. December — .'Kpril. 

 FRULLANIA Raddi. Scale-moss. 



M. BOtANDERi .\ust. 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. VERT1CIL1.ATUM (Linn.) 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. GRANDiFRONS Brid. lender swiftly running water in canyons S. G. Mts. 

 F. UMBATus SuUiv. Com. in shaded soil. February— May. 



