Iia CALIFORNIA ACADEMY OF SCIENCES. 



doubtless the same as the one referred to this species by 

 Dr. Gray in the list of the Xantus collection. 



60. SpHyERALCEA Californica Rosc. Contribution 

 U. S. Herb, iii, 66. — La Paz. Except in damp soil and 

 low lands the plants are small and soon disappear. 



61. KosTELETZKYA CouLTERi Gray. San Jose del 

 Cabo. Only a single plant seen, the flowers become 

 green in drying, seeds pubescent with simple hooked 

 hairs. The species are apparently all very nearly related. 



62. Hibiscus Coulteri Gray. — San Jose del Cabo, 

 La Paz. 



63. Hibiscus ribifolius Gray. This species grows 

 to a height of eight feet; the flowers larger than those of 

 H . Coulteri are sulphur yellow in color ; the leaves and 

 stems are either glabrous or pubescent; the petals are 

 sparingly stellate-pubescent, and variable in form. — To- 

 dos Santos, San Jose del Cabo. 



64. GossYPiuM Davidsoni Kellogg. — San Jose del 

 Cabo. 



65. GossYPiuM, sp. — A cultivated species escaped 

 from cultivation at San Jose del Cabo. 



66. Horsfordia Palmeri Watson. — La Paz, San 

 Pedro. 



67. Horsfordia rotundifolia Watson. //. Puri- 

 sinicv Brandegee, is probably the same. Zoe i. 253. — La 

 Paz. 



68. Hermannia Palmeri Rose. — Common. La Paz, 

 Todos Santos. San Jose del Cabo. 



69. Melochia tomentosa L. Common everywhere 

 except in the mountains. 



70. Melochia pyramidata L. — Triumfo. 



