114 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



66. Microseris linearifolia Gray. Described first as 

 Calais linearifolia DC, Prodr., Tome VII, p. 85. " Cali- 

 fornia, Douglas." 



Reported from Santa Rosa, Santa Cruz, Santa Catalina. 

 On San Nicolas it was collected in one locality, a fertile 

 flat. The few plants seen were in flower and fruit, with 

 stems almost a foot in height and leaves varying from run- 

 cinate-pinnatifid to almost entire. 



67. Sonchus asper Hill, Herb. Brit., Vol. I, p. 47. 

 (Index Kewen.) 



Reported from Santa Rosa, Santa Cruz, and Santa Cat- 

 alina; collected on San Nicolas on a moist slope. 



68. Sonchus tenerrimus Z., Sp. PL, p. 794. "Mont- 

 pellii., Florentias." 



Reported from Santa Catalina. Two forms of this spe- 

 cies were collected. In each the divisions of the leaves 

 differ in width and both are much broader than in speci- 

 mens from San Diego. One was found on cliffs of a water 

 course, the other on moist slopes. 



This species was first collected in North America by 

 Nuttall in the vicinity of San Diego, and by him was named 

 S . temiifolitis.^ 



69. Sonchus oleraceus L., Sp. PL, p. 794. 

 Reported from Santa Rosa and Santa Cruz. Collected 



on San Nicolas on a moist slope. 



The leaves are much broader than in the form of this 

 species common around San Francisco. 



70. Centaurea Melitensis Z., ? — This has nothing but 

 leaves. A spiny bud can be discerned among the upper- 

 most leaves that suggests this species. 



71. ? Artemisia . — The odor and taste of the 



foliage of this plant suggest A. Calif ornica; but the leaves 



1 Trans. Am. Phil. Soc. N. S., Vol. VII, p. 438. 



