208 CALIFORNIA ACADEMY OF SCIENCES. 



SiLENE GaLLICA, L. 



Sagina occidentalis, Watson. 



Stellaria media, Smitb. 



Lepigonum magrothecum, Fisch. & Meyer. 



PENTACiENA RAMOSISSIMA, Hook. 



Claytonia pereoliata, Donn. 



A form of this species having linear leaves is not uncom- 

 mon on Santa Cruz Island. One specimen collected has 

 the flowers glomerate on the disk and several linear radical 

 leaves with one broadly deltoid. 



SiDALCEA malv^flora, Gray. 



Malva borealis, Wallm. 



Erodium cicutarium, L'Her. 



Ceanothus crassifolius, Torr. 



Ceanothus arboreus, Greene. 



Smaller than on Santa Cruz Island, and hardly more than 

 a bush in appearance. Leaves nearly entire and smooth. 

 An interesting form indicating its mainland representative. 



Rhus diversiloba, Torr. & Gray. 



Rhus integrifolta, Benth. & Hook. 



Hosackia strigosa, Nutt. 



HOSACKIA MARITIMA, Nutt. 



Hosackia glabra, Torr. = Syrmatium dendroideum, 

 Greene. 

 Some of its forms are exactly the mainland plants. 



YiciA Americana, Mlihl. 



