124 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 13 



shores of the gulf, there are relatively few collections of the plant from 

 the outer coast of the peninsula. The narrower leaves, shrubby branches, 

 and multituberculate fruits are a combination of characters conveni- 

 ently separating this species from A. Barclay ana, 



Amarantaceae 



Amaranthus caudatus L., Sp. PI. 990. 1753. 



Tortuga Island, March 17, Rempel 213, 



Pansubtropical ; type locality unknown, described from cultivated 

 plants. It is apparently one of the weeds that was early and widely dis- 

 seminated in ballast and baggage. It has not previously been reported 

 for the California gulf area. 



Amaranthus Watsoni Standi., Bull. Torn Bot. Club 41 :505. 

 1914. 



Tiburon Island, January 25, Dawson 1014. Agua Verde Bay, Baja 

 California, March 10, Rempel 135, reef. 



Rather frequent in bottomland and saline soils in the southern part 

 of the gulf region from about Calmalli south on the peninsula ; type from 

 vicinity of Gua^^mas, Sonora. It is also known from several of the gulf 

 islands. (See Table 7.) 



Celosia floribunda Gray, Proc. Am. Acad. Sci. 5:167. 1861. 

 Cabeza Ballena, Cape District, March 3, Rempel 64, 

 Southern part of Baja California along the rocky slopes and canyons 

 of the mountains; type from Cape San Lucas. A shrub or small tree 

 with rather variable leaves, varying from ovate to ovate-acuminate and 

 from crenate to serrate. Those of Rempel 64 are unusual in being 

 broadly lobed near the base. The specimen is fruiting. 



Froelichia interrupta (L.) Moq. in DC, Prodr. 132:421. 1849. 



San Jose del Cabo, February 17, Dawson 1206. 



Widely distributed in warmer America. It is a slender erect peren- 

 nial herb about 1 m high with tomentose pallid leaves all basal and 

 several terminal or nodal, brownish yellow, dense spikes 1.5 to 5 cm long, 

 the lower flowers caducous leaving a whitish naked rachis. 



Iresine angustifolia Euphrasen, Beskr. St. Barthel. 165. 1795. 



Puerto Escondido, February 11, Dawson 1940. Punta Frailes, Feb- 

 ruary 16, Dawson 1116. 



From Baja California to Vera Cruz south through Central America 

 to Brazil and the West Indies; type from St. Barthelomew Island, West 

 Indies. 



