INDEX. 



825 



Viola sagittata AIT 369 



Viola sororia WILLD 370 



Viola striata AIT 366 



sylvtstris LAM 366 



Viola uliginosa MUHL 366 



uniflora var. pubescens 



REG 367 



villosa WALT 370 



Violaceae 365 



Viorna PERS. 240 



Vi rga aurea TOURN 508 



Virgilia L'flER 547 



Virgularia R. and P 468 



Viscum terrestris LINN 413 



Vitaceae 357 



Viticella MITCH 434 



Vi dcella MOENCH 240 



Vitis LINN 358 



aestivalis Micnx 358 



cordi folia LAM 359 



Vitis cordifolia var. riparia 



GRAY 358 



hederacea EHRH 357 



incisaJACQ 358 



intermedia MUHL 358 



labrusca WALT 358 



labruscoidps MUHL 358 



laciniosa MARSH 358 



odoratissima DON 358 



palmata VAHL 358 



quinquefolia Micnx 357 



Vitis riparia Micnx 358 



Vitis virgin iana Pom 358 



vulpina LINN 358 



vulpina var. cordifolia 



REGEL 359 



vulpina JACQ 358 



vulpina MUHL 359 



Vitis-Idaea TOURN 410 



Vitmannia TURRA 216 



Vittadinia A. RICH 525 



Vivianaceae LINDL 332 



Vleckia RAF 449 



foenicula ( PURSH) 449 



nepetoides (LiNN. ) 450 



scro pliul ariaef olia 



(WlLLD.) 449 



Voightia ROTH 568 



Volvulus MED 428 



sepium ( LINN. ). . 428 



spithameus (LiNN.) 428 



Vosacan ADANS 539 



VulpiaGMEL 82 



Vyenomus PRESL 348 



W 



Waldschmidtia WIGG 418 



Waldsteinia WILLD 299 



WalliaALEF 176 



cinereaALEF 177 



nigraALEF 177 



Webb i a DO 499 



Webbia SPACH 362 



Weigela THUNB 486 



Weigela PERS 486 



Wendia HOFFM 389 



Whitlavia HOOK 435 



Wiggersia A LEF 315 



WikstrotniaSpKENG 501 



Wilhelmsia C KOCH 77 



Willdenowa CAV 548 



Willkomrnia SCHULTZE 554 



WoodvilleaDC 525 



WolffiaHoRK 134 



brasiliensis WEDD 134 



coiumbiana KARST 135 



Wulffla NECK 134 



X 



Xamachrista RAF 309 



trifoliaRAF 309 



Xanthidium DELP 534 



Xanthiuni LINN 535 



Xanthium americanum WALT 535 



Xanthium canadense MILL 535 



canadense var. echinatum 



(MURR.) 536 



Xanthium carolinense DILL.. 535 



echinatum MURR 536 



maculatum RAF 536 



macrocarpum var glab- 



ratumDC 535 



orientale LINN 535 



strumarium AUCT. AM.. 535 



strumarium var. cana- 

 dense T. and G 535 



Xanthogalum LALL 390 



Xantholinum REICH 335 



Xanthoselinum SCHUR 390 



Xanthoxylum see Zanthoxy- 



lum 



fraxini folium MARSH... 337 



mite WILLD 337 



Xeniatrum SALISB 151 



Xenocarpus CASS .. 554 



Xiphion PARLAT 160 



X i phocarpus PRESL 327 



Xiphochaeta POEPP. and ENDL 500 



Xiphocoma STEV 241 



Xi pholepis STEETZ 499 



Xylan thena NECK 558 



Xylococcus NUTT 408 



Xylopleurum SPACH 380 



Xyiorhiza NUTT 515 



Xyloohiza SALISB 147 



XylosteumTouRN 485 



eiliatum PURSH 486 



eiliatum var. album 



PURSH 483 



tartaricum MICHX 486 



Xypherus RAF 311 



Xyridaceae 135 



Xyridion KLATT 160 



Xyris LINN 135 



Xyris bulbosa KUNTH 135 



Xyris jkxuosa MUHL 135 



Xyris j u picai MICHX 135 



scabra ENGELM 135 



Xysmalobium R. BR 423 



