1890.] NEW YORK ACADEilT OF SCIENCES. 185 



Gonobohis hiflorus, Nutt. 



ErythrcBa Beyrichii, Torr. & Gray. 



Phlox Rcemeriana, Scheele. Possibly only a form of P. 

 Drummondii. 



Coldenia canescens, DC. 



Onosmodium Carolinianum (Lam.), DC. 



Ipomcea Lindheimeri, Gray. 



Cuscuta arvensis, Beyrich. 



SoJanum eleagnifolium, Cav. 



Solatium Torreyi, Gray. 



Solanum rostratum, Dunal. 



Oestrum diurnum, L. 



llysanthes gratioloides (L.), Benth. 



Calophanes linearis (Torr. & Gray), Gray. 



Ruellia ciUosa, Pursh., var. humilis (Nutt.) {R. humilis, 

 Nutt. ^J^rans. Amer. Phil. Soc. v. [u. s.] 182 [1837] ). 



Verhena canescens, H. B. K. 



Lippia lanceolata, Michx. 



Lippia ligustrina (Lag.), Britt. 



Teucrium laciniahim, Torr. 



Salvia Texana, Torr. 



Monarda citriodora, Cerv. 



Marruhitim vulgar e, L. 



Paronychia Jamesii, Torr. k Gray. 



Amarantus spinosns, L. 



Chenopodiu7n lepitophyllum, Nutt. 



Polygonum emersum (Michx.), Britt. 



Bcerhaavia linear if olia, Gray. 



Euphorbia serpens, H. B. K. 



Euphorbia Fendleri, Torr. & B. Gray. 



Euphorbia Preslii, Guss. 



Euphorbia angusta, Engelm. 



Euphorbia Wright ii, Torr. & Gray. 



Eup)horbia, a woody species much resembling E. buxifolia, 

 Lam., but probably different. 



Croton Neomexicanus, Muell. Arg. 



Stillingia angustifoUa, Engelm. 



Hicoria, a species of the Pacanier section, but with leaves 

 quite smooth even when young, and remarkably punctate. 



Juglans rupestris, Engelm. 



Salix nigra, Marsh. 



Cladium efnsu?n, Torr. 



Melica diffusa, Pursh., var. nitens, Scribn. 



Eragrostis oxylepis, Torr. 



