162 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 13 



Stachys coccixea Jacq., PL Hort. Schoenbr. 3:18. 1798. 



Canyon above Puerto Escondido in the Sierra Giganta, March 13, 

 Rempel 170, canyon bottom. 



Widely distributed in the warmer mountains of southwestern United 

 States and northwestern Mexico. 



Verbenaceae 



AviCENNiA nitida Jacq., Enum. PI. Carib. 25. 1760. 



West cove in Concepcion Bay, March 15, Rempel 173. 



As a regular associate of the mangrove marshes, it is common along 

 the coasts of tropical and subtropical America. Concepcion Bay is near 

 its northwestern limit. As residue of sea mist, salt cr>'stals are commonly 

 apparent on its leaves. 



SOLANACEAE 



Datura discolor Bernh., Prommed. N. Jour. Pharm. 26:149. 

 1838. 



North end of Los Angeles Bay, March 19, 20, Rempel 251a. Ti- 

 buron Island, January 25, Dawson 1010. San Jose del Cabo, February 

 17, Dawson 1224. 



From southeastern California and southern Arizona south through 

 the California Gulf Region to Central America; type from the West 

 Indies. A relatively small Datura with small leaves and narrow flowers 

 with a purple flush in the throat. The Tiburon material has smaller 

 flowers and heavier fruiting spines than the typical peninsular material. 



Lycium aff. Andersoni Gray, Proc. Am. Acad Sci. 7:388. 1868. 



Puerto Refugio, Angel de la Guardia Island, March 20, Rempel 

 276a. 



Common through the deserts from southern Utah and southern Ne- 

 vada south throughout the California Gulf Region, more common along 

 the coasts than inland in the latter area. 



Lycium brevipes Benth., Bot. Voy. Sulph. 40. 1844. 



Lycium Richii Gray, Proc. Am. Acad. Sci. 8:292. 1870. 



Island in Concepcion Bay, March 16, Rempel 189. Agua Verde Bay, 

 March 10, Rempel 118. 



Sandy slopes, washes, and alluvial and saline soils along the coast 

 throughout the gulf region and south into Sinaloa. It is one of the 

 larger-leaved, bushy Lyciums, making dense plants and dense thickets 

 locally. 



