480 



INDEX. 



Baldwinii, 90. 



corymbosa, 90. 



fasciculata, 90. 



Jamesii, 90. 



Lettermani, 90. 



Liiiflheimeri, 91. 



Noveboraceusis, 89. 



oligophylla, 91. 



ovalljoUa, 90. 



prcealta, 89, 90. 



scaberi'ima, 91, 



sphceroidea, 90. 



tomentosa, 89. 

 Vernoxiace.e, 50, 88. 

 Viburnum. 7, 9. 



acevifoliuin, 10. 



acerlfoUum^ 10. 



alnij'oUum, 10. 



cassinoides, 11. 



cassinoides, 12. 



densiflorum, 10. 



dentatum, 11. 



dentatum, 10. 



edide, 10. 



ellipticum, 10. 



grandijlurum, 10. 



Iceviffatum, 12. 



Lantana, 10. 



lantanoides, 9. 



Lentago, 12. 



moUe, 11. 



nudum, 11. 



obovatum, 12. 



opidoides, 10. 



Opulus, 10. 



Oxycoccus, 10. 



pauciflorum, 10. 



prunifolium, 12. 



pubescens, 11. 



jnjn folium, 11, 12. 



li( ; //?( ( f'l II !i I n uin, 11. 



scnbrtlliiiii, 11. 



squamatum, 11. 



Tinus, 9. 



trilohum, 10. 



inllosum, 11. 

 Viguiera, 66, 270. 



brevipes, 270. 



canescens, 270. 



cordifolia, 270. 



deltoidea, 271. 



dentata, 270. 



(jlnndidosn, 450. 



helianthoides, 270. 



laciniata, 270. 



lanata, 271. 



Zrta,-a, 270. 



microdine. 270. 



nivea, 271, 450. 



Parishii, 271. 



reticulata, 271. 



teplirodes, 271, 450. 



Texnna, 270. 



tomentosa, 271. 



triquetra, 270. 

 Villanova bipinnatifidii, 244. 



clirysanthcmoides, 334. 

 Virtia-aurea, 144. 

 V'trrjaurea, 144. 

 Virffilia, 351. 



helioides, 352. 



Wayfaring Tree, 9. 

 Weclelia, 66, 264. 



carnosa, 265. 



hispida, 286. 



perfoliata, 449. 

 ireT/yeZa, 18. 

 White Lettuce, 434. 

 Whiteweed, 365. 

 Whitneva, 71, 318. 



dealbata, 318. 

 Wild Coffee, 12. 

 Wirfr/enla Texana, 286. 

 Wolf-berry, 13. 

 Woodbine", 14. 

 Woodruff, 35. 

 Woodvilha, 207, 208. 



calendulacea, 208. 

 Wormwood, 367, 370. 

 Wvethia, 66, 267. 



amplexicaulis, 207, 



angustifolia, 268. 



Arjzonica, 267. 



coriacea, 268. 



glabra, 267. 



licleiiioides, 267. 



helianthoides, 267. 



longicaulis, 207, 



moilis, 268. 



ovata, 268. 



reticulata, 268. 



robusta, 268. 



scabra, 268. 

 Wythe-rod, 11. 



Xanthidium ambrosioides, 252. 

 d!^cnhir, 251. 

 rliii>idi(}j>lnj!liim, 251, 

 Unuifulium, 250. 



XantMopsis, 252, 

 Xanthisma, 54, 124. 



Texanum, 124. 

 Xanthium, 63, 252. 



Americanmn, 252. 



Canadense, 252. 



Carolim-nse. 252, 



echinatmn, 252. 



macrocarpum, 252. 



maculntum, 252. 



spinosum, 253. 



strumarium, 252. 

 Xnntho, 324, 

 Xanthocephalum, 53,114. 



Benthamianum, 114. 



gymnospermoides, 114. 



sericocarpum, 114. 



Wrightii, 114. 

 X'tnthocoma, 114, 

 Ximenesia, 288. 



eiicelioidis, 289. 

 Xylorrldza (/lubriuscula, 200. 



villosa, 200. 

 Xylosteon, 14. 

 Xylosteum ciliaium, 16. 



involucratum, 16. 



()?;/(<« f/i folium , 15 . 



^'cZ-ii/'v, 15. 

 Titrl'irlrum, 15. 



villosum, 15. 



Yarrow, 363. 

 Younr/ia pygmoBa, 431. 



Zexmenia, 67, 285. 



brevifolia, 286. 



hispida, 286. 



Mspidula, 289. 



podocepliala, 286. 



Texana, 286. 

 Zinnia, 63, 253. 



acerosa, 254. 



anomala, 253, 



bicufpis, 253. 



grandiflora, 253. 



intermedia, 253. 



juniperifoiia, 253. 



leptiipoda, 253. 



multiflora, 253. 



pauciflora, 253. 



pumila, 2.53. 



revoluta, 253. 



tenuijiora, 253. 



ZlNMIE.^, 63. 



