148 CALIFORNIA ACADEMY OF SCIENCES. 



the margins, with one slender, retrorsely barbed awn and 

 a short crown of lacerate scales. 



Ver}^ few akenes seem to mature, especiall}^ among 

 those of the disk. The plant has a very different appear- 

 ance from the other white-flowered species of the genus. 

 It grows along the seashore at San Jose del Cabo. 



326. Perityle cuneata Brandegee. Zoe i, 54. 

 Sierra de la Laguna and a single specimen in the wash 

 of the San Jose River. 



327. Perityle minutissima Rose iiied. — San Jose 

 del Cabo. 



328. Perityle Emoryi Torr. — La Paz, San Jose del 

 Cabo. 



329. Perityle microglossa Benth. — La Paz, San 

 Jose del Cabo. 



330. Palafoxia arenaria Brandegee. — Sand beach 

 at La Paz. 



331. Porophyllum gracile Benth. — Todos Santos, 

 San Jose del Cabo.* 



332. Porophyllum filifolium DC.f — San Jose del 

 Cabo. 



333. Dysouia speciosa Gray. — Todos Santos, La 

 Paz, San Jose del Cabo. 



334. Tagetes lacera Brandegee, Zoe i, 314. — 

 Sierra de la Laguna. 



335. Tagetes micrantiia Cav. — Sierra de la La- 

 guna, Sierra de San Francisquito. 



336. Tagetes subulata Llave & Lex. — Sierra de 

 San Francisquito. 



337. Leptosyne parthenioides (Benth.) San Jose 

 del Cabo. 



*Zoe i, 312. 



