208 CALIFORNIA ACADEMY OF SCIENCES. 



SiLENE GaLLICA, L. 



Sagina occidentalis, Watson. 

 Stellaria media, Smith. 

 Lepigonum macrothecum, Fisch. & Meyer. 

 Pentac^na ramosissima, Hook. 



Claytonja perfoliata, 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 cigutarium, L'Her. 

 Ceanothus grassifolius, 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. 



Ehus 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, Miihl. 



