104 PROCEEDINGS OP THE AMERICAN ACADEMY 



Gnaphalium Wrightii, Gray, 1. c. 214. West of San Antonio, 

 Texas (549). 



Gnaphalium decurrens, Ives. At Uvalde, Texas (550). 



Gnaphalium oxyphyllum, DC. In the Sierra Madre, south of 

 Saltillo (551) ; 417 Parry & Palmer. 



Gnaphalium semiamplexicaule, DC. In the Caracol Mount- 

 ains, Coahuila (553). 



Gnaphaliuji purpurascens, DC. {G. Sckraderi, DC, probably. 

 G. roseum, HBK. ?) In Coahuila (2071), and San Luis Potosi (223 

 Schaffuer) ; 415 and 417|^ Parry & Palmer. 



Gnaphalium purpureum, Linn. In Mexico (2072). 



Gnaphalium pannosum. Gray ; new sp. San Luis Potosi (227 

 Scbaffner) ; 420 Parry & Palmer. 



Dicranocarpus parviflorus, Gray. At Monclova (641). 



Melampodium cinereum, DC. In Southwestern Texas (555, 

 558). — Var. ramosissimum. Gray. (M. ramosissimum, DC.) At 

 Laredo, on the Rio Grande (651), and other Texan localities (556, 

 557). — Var. argophyllum, Gray. In Mexico (2068). 



SiLPHiUM asperrimum, Hook. At Georgetown, Texas (599). 



Berlandiera tomentosa, Torr. & Gray, var. dealbata, Gray. 

 In Western Texas (561). 



Engelmannia pinnatifida, Torr. & Gray. In Mexico (562). 



Parthenium incanum, HBK. (P. ramosissimum, DC.) At 

 several localities in Mexico (563, 564,565), 



Parthenium argentatum. Gray. In Mexico (566, 646). 



Parthenium lyratum, Gray, ined. In Mexico (647). 



Parthenium confertum. Gray, Proc. Am. Acad. 17. 216. At 

 Parras, Coahuila (648) ; 86 Gregg. 



IvA ANGUSTIFOLIA, Nutt. In Western Texas (567). 



IvA ambrosi^folia, Gray. In Mexico (573, 574). 



IVA dealbata. Gray. At Soledad (737), and Monclova (738). 



Hymenoclea monogyra, Gray. In Western Texas (568). 



Ambrosia artemisi^folia, Linn. In Mexico (569). 



Ambrosia psilostachya, DC. In Mexico (570). 



Ambrosia aptera, DC. In Western Texas (571). 



Franseria tenutfolia. Gray. In Western Texas (572, 574). 



Zinnia pauciflora, Linn. In Western Texas (574''% 575). 



Zinnia juniperifolia. Gray. In the Sierra Madre, south of 

 Saltillo (576). With leaves, heads, and rays larger than in Gregg's 

 specimens, much larger than in the poor specimens of Berlandier. 



Zinnia acerosa. Gray. In Coahuila (577, 578). 



