OF ARTS AND SCIENCES. s] 



rainy season. (188.) — S. Virginicus, Kuntli. On islands in Guay- 

 mas harbor. (338.) — S. Domingensis, Kunth, and vars. Common 

 about Guaymas. (160, 165, 696.) 



Agrostis verticillata, Vill. At Muleje. (41.) 



Chloris elegans, Kunth. Near Los Angeles Bay. (506.) 

 . Bouteloua aristidoides, Thurb. About Guaymas (162, 194), 

 and at Los Angeles Bay (507). — B. Rothrockii, Vasey. Gardens 

 and fields at Guaymas. (166.) — B. arenosa, Vasey, n. sp. Plains 

 and ridges about Guaymas. (189.) — B. bromoides, Lag. Moun- 

 tains and ledges about Guaymas. (201.) — B. polystaciiya, Torr. 

 Sandy bottoms near the sea at Los Angeles Bay. (346 ?, 508.) Also 

 var. major. Common about Guaymas. (204, 205.) 



Eleusine Indica, Gaertn. Common at Muleje. (35.) — E. 

 JEgyi'Tiaca, Pers. About Guaymas. (275, 328.) 



Leptochloa mucronata, Kunth, and var. Common about 

 Guaymas. (50, 192, 694.) 



Pappophorum apertum, Munro. On the old fort at Guaymas 

 and on rocky mountain-sides. (274. 350.) — P. Wrightii, Watson. 

 Rocky ridges near Bay of Los Angeles. (51ft) 



Cottea pappophoroides, Kunth. Rocky island in Guaymas 

 harbor. (339.) 



Triodia pulchella, HBK. On a high rocky point above Los 

 Angeles Bay. (500.) 



Diplachne imbricata, Vasey. Common at Muleje (47), and at 

 Guaymas. — D. dubia, Benth. High in the mountains above Guay- 

 mas. (270, 273.) — D. Tracyi, Vasey. Same locality. (691.) — 

 D. viscida, Scribner. Same locality. (692.) 



Phragmites communis, Trin. At Muleje. (38.) 



Eragrostis major, Host; forms. At Muleje (40. 401), and about 

 Guaymas. — E. Pursiiii, Schrad. At Muleje. (42, 49.) Also var. 

 diffusa. . Common about Guaymas. (167.) 



Distichlis maritima, Raf. At Muleje. common. (43.) 



Lolium perenne, Linn. In a garden at Guaymas. (52.) 



Notholvena* Lemmont, Eaton. In high mountains Dear Guay- 

 mas. (266.) — N. cretacea, Liebm. (JV! Californica, Baton.) 

 Rocky mountain-sides above Los Angeles Bay. (552.) 



Cheilanthes Prixglet, Davenport. Rooky mountain ]<■'! 

 near Guaymas. (265.) — C. myriopiiylla, Desv. .Mountain- at 

 Los Angeles Bay. (553.) 



* The Ferns were determined l>y Prof. D. C. Eatox. 

 vol. xxiv. (n t . s. xvi ) 6 



