330 



THE POTOMAC OR YOUNGER MESOZOIG FLORA. 



WiLLiAMSONiA Carr. 



Page. 



281. Williamsouia Virginiensis, sp. nov 273 



Undetermined plants. 



281a. Macrosi^ores sp 274 



282. Undetermined plant (o) 274 



283. Undetermined plant (6) 274 



284. Undetermined plant (c) 275 



285. Undetermined plant (rf) 275 



286. Undetermined plant (e) 275 



287. Undetermined plant (/) 275 



288. Undetermined plant (</) 275 



289. Undetermined plant (7i) 276 



290. Undetermined plant (i) 276 



ANGIOSPEEM.E. 



CONOSPERMITES Ett. 



291. C. ellipticus, sp. nov 279 



ACACI.EPHYLLUM, gen. nov. 



292. A. lougifolinm, sp. nov 279 



293. A. spatulatum, sp. nov 280 



294. A. microphyllum, sp. nov 280 



295. A. variabile, sp. nov 281 



PROTEiEPnYLLUM, geu. nov. 



296. P. reniforme, sp. nov 282 



297. P. orbiculare, sp. nov 283 



298. P.species? 284 



299. P. oblougifolinm, sp. nov 284 



300. P. ovatum, sp. nov 285 



301. P. ellipticum, sp. nov 285 



302. P. tenninerve, sp. nov 2-6 



303. P. deutatum, sp. nov 286 



EoGiiRsiA, gen. nov. 



304. E. longifolia, sp. nov 287 



305. E. angustifolia, sp. nov 288 



Sassafras Nees. 



306. S. parvifolium, sp. nov 289 



307. S. cretaceumNewb.jSp.var.heterolobum 289 



308. S. bilobatum, sp. nov 290 



FicoPHYLLUM, gen. nov. 



309. F. crassinerve, sp. nov 291 



310. F. tenuinerve, sp. nov 292 



311. F. serratnm, sp. nov 294 



312. F. eucalyptoides, sp. nov 294 



Ficus Tournef. 



313. F. Virginiensis, .sp. nov 295 



314. F. Fredericksburgensis, sp. nov 295 



Sapindopsis, geu. nov. 



P.ige . 



315. S. cordata, sp. nov 296 



316. S. elliptioa, sp. nov 297 



317. S. magnilolia, sp. nov 297 



318. S. variabilis, sp. nov 298 



319. S. parvifolia, sp. nov 300 



320. S. brevifolia, sp. nov 300 



321. S. tenniuervis, sp. nov 301 



332. S. obtusifolia, sp. nov 301 



Saliciphyllum, gen. nov. 



323. S. longifolium, sp. no v 302 



324. S. ellipticum, sp. nov 303 



325. S. parvifolium, sp. nov 303 



Celastrophyllum Ett. 



326. C. arcinerve, sp. uov 304 



327. C. jiroteoides, sp. nov 304 



328. C. acutideus, sp. nov 305 



329. C. obtusidens, sp. nov 305 



330. C. Brookense, sp. nov 305 



331. C. denticulatum, sp. nov 306 



332. C. latifolium,sp. uov 306 



333. C. tenuinerve, sp. nov 306 



334. C. obovatum,sp. nov 307 



QUEECOPHYLLUM, gen. nov. 



335. Q. grossedeutatum, sp. nov 307 



336. Q. tenuinerve, sp. nov 308 



ViTiPiiYLLUM (Cissites), gen. nov. 



337. V. crassifolium, sp. uov 308 



338. v. parvifolium, sp. nov 309 



339. v. multifidum, sp. nov 309 



Myrica L. 



340. M. Brookeusis, sp. nov 310 



Bombax L. 



341. B. Virginiensis, sp. nov 310 



PoPULOPHYLi.UM, gen. nov. 



.342. P. reniforme, sp. uov 311 



343. P. hedencforme, sp. nov 311 



344. P. crassinerve, sp. uov 312 



ULMIPHYLI.UM, gen. nov. 



345. U. Brookense, sp. nov 312 



346. U. tenninerve, sp. nov 313 



347. U. crassinerve, sp. nov 313 



