80 PROCEEDINGS OP THE AMERICAN ACADEMY 



Eriochloa punctata, Desv. At Muleje (44), and at Guaymas. 



Panicum sanguinale, Linn. At Muleje (48), and the var. cili- 

 are near Guaymas (269, 695). — P. Hallii, Vasey. About Guay- 

 mas. (206.) — P. dissitiflokum, Vasey, n. sp. In deep ravines 

 and by irrigating ditches about Guaymas. (159, 190.) — P. fascicu- 

 latum, Sw. Plains and foothills about Guaymas. (207.) Also var. 

 majus, by ditches. (158.) — P. paspaloides, Pers. Near Guaymas. 

 (690.) ■ — P. colonum, Linn. At Muleje (46), and about Guaymas. 

 (51, 202.) — P. lachnanthum, Torr. Not eaten even by goats. 

 About Guaymas. (54, 348.) — P. capillare, Linn., var. At Guay- 

 mas. (208.) 



Setaria composita, HBK. About Guaymas. (53.) — S. cau- 

 data, E. & S. At Guaymas and upon a small sandy island in the 

 harbor. (340.) Also var. pauciflora. At Guaymas. (191.) 



Cenchrus echinatus, Linn. At Guaymas. (168.) — C. myo- 

 suroides, HBK. Near salt water on an island in Guaymas harbor. 

 (327.) — C. tribuloides, Linn. On the ruins of the old French fort 

 at Guaymas. (349.) — C. Palmeri, Vasey, n. sp. Near Guaymas 

 and at Los Angeles Bay. (271, 689.) 



Hilaria cenchroides, HBK., var. longifolia. Islands in 

 Guaymas harbor. (347.) 



Cathesticum erectum, Vasey & Hack., and var. Abundant on 

 mesas and hillsides and in gardens about Guaymas, and on islands in 

 the harbor. (161,345.) 



Heteropogon contortus, R. & S. Hillsides and mountains 

 about Guaymas. (267.) 



Sorghum Halepense, Pers. Gardens and fields about Guaymas. 

 (64.) 



Aristida dispersa, Trin. Gardens and fields about Guaymas. 

 (66.) — A. bromoides, HBK., and var. On rocky ridges at Los 

 Angeles Bay. (503, 504.) — A. Schiedeana, Trin. & Rupr. Hedges 

 and rocky ledges about Guaymas. (55, 268.) — A. fugitiva, Vasey, 

 n. sp. On sandy beaches at Los Angeles Bay. (501.) 



Stipa Californica, Vasey, n: sp. In mountain canons about 

 Los Angeles Bay. (505.) 



Muhlenbergia spiciformis, Trin. Rocky hills near Guaymas. 

 (272.) — M. tenella, Trin. Island of San Pedro Martin, common 

 among rocks; the only grass. (416.) — M. debilis, Trin. Plains 

 and mountains about Los Angeles Bay. (510.) 



Sporobolus cryptandrcs, Gray. Abundant about Guaymas. 

 (65.) — S. humifusus, Kunth. Abundant about Guaymas in the 



