98 CALfFORNTA ACADEMY OF SCIENCES. [Proc. 30 Ser. 



Reported from all the islands as 7^/55^ macrotheca Britt. 

 The San Nicolas plant agrees with the form common on 

 the Coast. It was collected on the beach. 



PAPAVERACEyE. 



26. Platystemon Californicus Benth., Trans. Hort. 

 Soc, N. S., Vol. I, p. 405. (Index Kewen.) 



Reported from all the islands. On San Nicolas it cov- 

 ered sand-flats by the sea. 



CRUCIFER.E. 



27. Lepidium bipinnatifidum Desv., Journ. Bot., Vol. 

 Ill, p. 165. (Index Kewen.) 



This is the L. Mcnziesii reported from Santa Cruz 

 Island. The San Nicolas plant is more loosely leaved and 

 branched than the plant common around San Francisco, 

 along roadsides. It was found in one locality, on a slope. 



28. Lepidium nitidum iVutt., Torr. & Gr., FL, Vol. I, 

 p. 116, "near Santa Barbara, Upper California."' 



Reported from Santa Catalina, San Clemente, Santa 

 Cruz. The pods in these specimens are dull instead of 

 shining as is usual with this species. Mrs. Trask found a 

 few single individuals in two or three localities. 



29. Dithyrea Californica Harv., var. maritima David- 

 son. First described as Biscutella Californica, var. mari- 

 tima Davidson, "Erythea," Vol. II, p. 179. "Sand dunes 

 of Coast, Los Angeles County." 



This is the first record of the above species or variety 

 from the Coast Islands. Mrs. Trask collected it in 

 "Kitchen Middens" in one locality. There were few 

 individuals. The flowers are white tinged with pink, pur- 

 ple, or rose red. 



