Io6 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



Wherever this cactus grew, it protected a small colony 

 of grasses and tender herbs. 



47«. Opuntia prolifera Engehn. — This also was seen but 

 no specimens were collected. It has been reported also 

 from Santa Catalina and San Clemente. 



UMBELLIFER^. 



48. Daucus pusillus Michx., FL, Vol. I, p. 164. "In 

 campestris Carolinas." 



This has been reported from all the islands. It was col- 

 lected on San Nicolas in sand gulches near the sea. Mrs. 

 Trask reports the flowers as reddish purple. 



This is the Yerha del Vibo7-a of the early settlers of Cali- 

 fornia and is widely accepted as an antidote for the poison 

 of the rattlesnake. 



49. Apiastrum angustifolium Nutt., Torr. & Gr. Fl., 

 Vol. I, p. 644. "San Diego, California." 



Reported from San Miguel, Santa Cruz, and Santa Cat- 

 alina. On San Nicolas it was found in one locality, a dry, 

 riven sand flat. 



50. Sanicula Menziesii H. & A., Bot. Beech., p. 142. 

 "California." 



This is the first record of this species from the islands. 

 It is a poor specimen but yet shows the characteristic pedi- 

 cellate fruit and erect stem of this common species. It 

 was frequent on dry rocky heights. Mrs. Trask has col- 

 lected it also on Santa Catalina. 



51. Peucedanum insulare, sp. nov. 



Plate VIII, Figs, la-id. 



Acaulescent from a long, rather stout, woody root, sheathed at summit by 

 persistent, dilated petioles which become fibrous with age ; leaves from 

 biternate to biquinate ; leaflets cuneate, sharply dentate or incised, veiny ; 



