195 



LOBELIACEiE. 



Lobelia puberula Mx. Sans Bois Mouutiiins. Rich (tpen ground. Not seen west- 

 ward. August. No. 310. 

 Lobelia spicata Lam. Atoka. Low ground. Not seen olse-\vhere. June. No. 57. 



OLEACE^. 



Fraxinus pubescens Lam. Qnanali's ranch. Sandy ciLek hanks. July. Nos. 



203, 221. 

 Fraxinus viridis Mx. Sans liois Mountains. Along creek hanks. Frequent. 



August. No. 275. 



APOCYNACEiE. 



Amsonia angustifolia Mx. Quanah's raneli. Kocky liills. July. No. 224. 



ASCLEFIADACEiE. 



Aceratesviridiflora EH. Caddo. Fre(iuent west, less so eastward. June, No, 51. 



Asclepias stenophylla Gray. McAlester. Prairies. June. No. 77. 



./Isclepias tuberosa L. Colh<'rt. Fre<iueut on ijrairicri. The dowers are occasio]i- 



ally almost straw colored. Juue. No. 10. 

 Asclepias verticillata L. Sans Bois Mountains. Open woods, July. No. 89. 

 Asclepiodora viridis Gray. Colhert. Common on prairies. June (in Iruit). No. 



lOG. 



GENTIANE.53. 



Erythreea Beyrichii Torr. and Gray. Erin Springs. Thins oil on gravelly hills. 



July. No. 153. 

 Sabbatia angnlaris Pursli. Sans Bois Mountains. Ricli woods. July. No. 117. 

 Sabbatia campestris Nutt. Caddo. Universal and ahundant, on jirairies. Jnrn.'. 



No. 55. 

 Eustoma Russellianum Griseh. Prairie hillsides, near Paul's Valley. July. Xo. 



146. 



POLEMONIACEiE. 



Gilia coronopifolia Pers. Sans Bois Mountains and Quanali's rancli. Frequent. 

 July. Nos. 103, 225. 



HYDROPHYLLACEiE 



Hydrolea ova^a Nutt. Sans Bois Mountains. Not frequent. Boggy places on 

 rocky hillsides. Found as far west as the western hDnler of the Choctaw Nation. 

 August. No. 307. 



BORAGINEiE 



Heliotropium tenellum Torr. Rocky hills near Caddo. June. No. 52. 

 Onosmodiuni Caroliuianum DC Between Stoiiewall and Paul's Valley. Fre- 

 quent. July. No. 141. 



CONVOLVULACEiE. 



Ipomoea leptophylla Torr. Anadarko. Dry prairies. July. No. 177. 

 Convolvulus incanus Vahl. Quauah's ranch. Rocky slopes. July. No. 230. 

 Evolvulus argeiiteus Pursh, Caddo. Juue. No. 53. 



Cuscuta glomerata Choisy. Cress Creek. Ahuudant on Composites. August. 

 No. 263. 



1 The cliiiracteriz.ition of tlie size of flowers of tliis species niui of O. Bejarieme in the Synopticil 

 riora Ls not coircct iiiiil iircils revision. Tho wenttTii iiiid southwfsK'rii forms of <K Caroliinantiin 

 have corollas as described for the other spociea, xi/., C-S lines long, with lohes i tho length of tube. 



