i82 TRAKSACTIONS OF THE [MAY 5, 



212. Croton gracilis, Muell. Arg. ? 



201. Ephedra antisyphilitica, Meyer.? 



149. Tradescantia Virginica, L. 



186. Agave Mexicana, Hook. 



182. Cyperus cyrtolepis, Torr. & Hook. 



181, 183. Cyperus unifiorus, Torr. & Hook. 



The following Gratninese were determined by Dr. Geo. Vasey: — 



255. Pcmicum suhspicatum, Vasey. 



256. Panicum aututnnale, Bosc. 



240. Panicum capillare, L., var. acuminahim, Vasey. 



232, 241. Panicum Reverchoni, Vasey. 



226, 242. Panicum lachnantlium, Torr. 



234. Panicum Texanum, Buckl. 



238. Paspalum jmbiflorum, Vasey. 



229. Setai'ia caudata, Griseb. 



252. Rottboellia cori'ugata, Baldw. 



233. Eriochloa sericca, Munro. 



239. Heterop)ogon contorius, R. & S. 

 251. Andropogon scoparius, Michx. 

 228, 246. Andropogon saccharoides, Sw. 



230. Stipa setigera, Presl. 



249. Trichloris pluriflora, Pourn. 

 254. Buchlo'e dactyloides, Engelm. • 



253. Bouteloua trifida, Thurb. 

 248. Botiteloua Jiirsuta, Lag. 



231. Bouteloua Texana, Wats. 



235. Pappophorum apertum, Munro. 



227. Triodia eragrostoides, Vasey & Scrib. 



250. Triodia albescens, Munro, 

 243, 247. Triodia acuminata, Vasey. 



236. Diplachne dubia, Benth. 



237. 244. Eragi'ostis 7nitior, Host. (?) 

 245. Eragrostis oxylepis, Torr. 



Corrections to the previous list : 



133. " Helenium amphibolum" is probably a small form of 

 H. midifloruni, Nutt. 



96. " Hymenatheriim tenuilohum" is H. pentaclimtum, DC. 

 43. Misprinted " Cardamine," etc., is Thelysperma tri- 

 FiDA (Lam.). {Coreopsis trifida,La,m.; Thelysperma filifoUum, 

 Gray.) 



Gaillardia suavis, printed as No. 131, should be 113. 



Evax multicaulis, printed as No. 72, should be 203. 



Thamnosma Texanum, printed as No. 81, should be 204. 



25. Croton capitatus 9 This is the same as Berlandier's No. 



