OP ARTS AND SCIENCES. 431 



The following determinations of the Gamopetaloe of the collection 

 were made by Dr. Gray. Descriptions of the new species and various 

 notes by him may be found in the foregoing paper. 



Galium microphyllum, Gray. — Norogachi (413). G. unci- 

 NULATUM, DC. ? — Same locality (414). 



Crusea subclata, Gray. — Norogachi (423). C. Paljieri, 

 Gray, n. sp. — Hacienda San Jose (70). 



MiTRACARPUS viLLOSUS, Cham. & Schlecht. — Hacienda San 

 Jose (38). 



Spermacoce megalocarpa, Gray, n. sp. — Hacienda San Mi- 

 guel (185). 



Codtarea latiflora, DC. — Same locality (H). 



Genipa echinocarpa, Gray. (Eandia echinocarpa, DC) — Same 

 locality (A). 



Valeriana sorbifolia, HBK. — Norogachi (388). 



Vernonia Steetzii, Schultz Bip. — Frayles (273). 



Stevia Palmeri, Gray, n. sp. — Hacienda San Jose (30). S. 

 LINOIDES, Schultz Bip., var. grisea. Gray. — Frayles (251). 

 S. LAXiFLORA, DC. — Noi'ogachi (418.) S. monard.efolia, HBK., 

 var. CORDIFOLIA, Gray. — Frayles (257). S, micrantha, Lag. — 

 Same locality (284). S. venosa, Gray, ti. sp. — Norogachi (376). 

 S. SALiciFOLiA, Cav. — Fraylcs (278); Norogachi (391). S. ser- 

 RATA, Cav. — Cumbre (338). S. Madrensis, Gray, n. sp. — Cumbre 

 (328). 



Carphoch^te Wislizeni, Gray. — Cumbre (381). 



Ageratum corymbosuji, Zuccag. — Haciendas San Jose (31) and 

 San Miguel (HO). 



PiPTOTHRix Palmeri, Gray, n. gen. — Frayles (274, 280). 



EuPATORiUM coLLiNUM, DC. — Fraylcs (271). E. Schaffneri, 

 Schultz Bip. — Norogachi (332). E. strictum, Gray, n. sp. — 

 Same locality (330). E. Palmeri, Gray, n. sp. — Hacienda Sau 

 Miguel (144) ; Frayles (263). E. grandidentatum, DC. — Noroga- 

 chi (375). E. VENULOSUM, Gray, n. sp. — Cumbre (329). E. occi- 

 dentale, Hook., var. Arizonicum, Gray. — Frayles (275). E. GuA- 

 DALUPENSE, Spreng. (£J. paniculatum, Schrad.) — Frayles (276). 



Carminatia tenuiflora, DC. — Hacienda San Miguel (239). 



KuHNiA ROSMARiNiFOLiA, Vent. — Norogachi (437). 



Brickellia simplex, Gray. — Norogachi (436). B. betonicje- 

 folia, Gray, var. humilis. Gray. — Norogachi (435). B. bra- 

 cniATA, Gray, n. s/). — Hacienda San Miguel (169). B. diffusa, 

 Gray. — Same locality (166). 



