172 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 13 



but distinguished by its shorter prickles, more acuminate leaf lobes, and 

 in having but 3-4 stamens, rather than the normal 5. 



Vaseyanthus insularis inermis Jtn., Proc. Calif. Acad. Sci. IV, 

 12:1182.1924. 



Puerto Refugio, Angel de la Guardia Island, January 26, Dawson 

 1024. 



Johnston lists it from the following islands in the Gulf of California: 

 San Pedro Nolasco, Tortuga, South San Lorenzo, San Esteban, Angel 

 de la Guardia, Mexia, San Pedro Martir, and Partida, the type from 

 the latter. 



A slender twining herb, stems strongly 4-5-angled, sparsely hispid in 

 the deep broad grooves, commonly ovate-pustulate on the angles ; petioles 

 7-12 mm long, appressed hispid, ribbed; leaf blades orbicular, palmately 

 5-10-lobed, 1.5-3 cm broad, the lobes rounded to biangulate, aristate, 

 strongly scabrous on both sides with scale-like trichomes, 10-nerved; 

 tendrils bifid; inflorescence racemose, hispid; peduncle 1-1.5 cm long; 

 corollas minute, 3 mm broad ; fruit globose, acuminte-rostrate, glabrous, 

 unarmed, 6-10 mm long, 4-7 mm in diameter, dehiscing transversely 

 around the middle. 



LOBELIACEAE 



Lobelia laxiflora angustifolia A. DC. in DC, Prodr. 7:383. 

 1839. 



Puerto Escondido, February 16, Dawson 1105. 



Mainly along canyon bottoms and stream banks in the lower eleva- 

 tions of the mountains from Baja California and Chihuahua south to 

 Oaxaca. 



COMPOSITAE 



Amauria rotundifolia Benth., Bot. Voy. Sulph. 31. 1844. 



West cove in Concepcion Bay, March 15, Rempel 180, foot of rocky 

 slope. 



Infrequent along the coasts of Baja California; type from San Quen- 

 tin. A perennial herb, like Perityle, but distinguished by the linear, 4- 

 angled, epappose achenes. 



Alvordia fruticosa Brge., Erythea 7:5. 1889. 



Punta Frailes, February 16, Dawson 1114. San Jose del Cabo, Feb- 

 ruary 17, Dawson 1172 (topotype). 



Known only from the Cape District. The genus, consisting of three 

 species, is limited to the southern half of the peninsula. They are shrubs 



