INDEX OF GENERA AND SPECIES. 



530 



JVdlinglonia gigantca, Lindl., 



ii. 117. 

 Welwit.scliia, Hook, f., ii. 108. 

 Western t'liinqiuniiii, ii. 99. 

 Larch, ii. 112. 

 Moiiiitaiii Ash, i. 189. 

 MHieat, ii. 323. 

 Whipplea, Ton-., i. 203. 

 modesta, Torr., i. 203, ii. 



446. 

 Utaliensis, Watson, i. 203. 

 White Bent-Grass, ii. 272. 

 Cedar, ii. 115. 

 Clover, i. 129. 

 Daisy, i. 401. 

 Fir, ii. 118. 

 Oak, ii. 95, 96. 

 Mustard, i. 39. 

 Sage, ii. 56, 477. 

 Sapota, ii. 438. 

 Top, ii. 272. 

 White-weed, i. 401. 

 WhiUavia, Harvey, i. 513. 

 fli-andiflora, Harvey, i. 513 

 minor, Harvey, i. 514. 

 Wliitncya, Gray, i. 374. 

 dealhata. Gray, i. 374. 

 Wu/andia Californica, Hook 



i. 518. 

 Wikl Buckwheat, ii. 481. 

 Cabbage, i. 36. 

 Cherry, i. 167. 

 Ginger, ii. 101. 

 Mock Clierry, i. 167. 

 Pie[ilant, ii. 479. 

 Phini, i. 167. 

 Eiidi,sh, i. 49. 

 Wild-Oat Gra.ss, ii. 294. 

 Willow, ii. 82. 



Velvet, ii. 88. 

 Willow-herb, i. 218. 

 Winter ('ress, i. 40. 



Fat, ii. 56. 

 Wintergreen, i. 454, 460. 

 Wislizenia, Engelni., i. 52. 

 Palnieri, Gray, i. 52. 

 refracta, Engelni., i. 52. 

 Withania Coronojnis, Torr., i 



540. 

 Wood Anemone, i. 4. 



Wood Fern, ii. 345. 

 Iteed-Gra.ss, ii. 276. 

 Rush, ii. 203. 



Sorrel, i. 96. 

 Woodbine, i. 280. 

 Woodsia, Ii. IJr., ii. 348." 



Oregana, Eaton, ii. 348. 



scoimlina, Eaton, ii. 348. 

 JVoodviUca cnlcndulcicca, DC. 



i. 331. 

 Woodwardia, Smith, ii. 343. 



Chamissoi, Brack., ii. 344. 



radicans. Smith, ii. 344. 

 Worniseed, ii. 47. 

 Wormwood, i. 402. 

 Wrack, Grass, ii. 191. 

 IValfenia reniformis, Benth., 



i. 571. 

 Wyethia, Nutt., i. 348. 



amplexicaulis, Kutt., i. 350, 

 ii. 456. 



angustifolia, Nutt., i. 350. 



coriacea, (J ray, i. 616. 



glabra. Gray, i. 349. 



hclenioides, Nutt., i. 349. 



helianthoides, Nutt., i. 350. 



mollis, Gray, i. 349. 



ovata, Gray, i. 349. 



rohusta, Nutt., i. 350. 



Xanthium, Tourn., i. 346. 



spinosum, Linn., i. 34G. 



strumarium, Linn., i. 346. 

 Xerobotnjs, Nutt., i. 452. 



rmjuius, Nutt., i. 453. 



covdifolius, Nutt., i. 453. 



iome7i/osns, Nutt., i. 453. 



vcnulosus, Nutt., i. 453. 

 Xeroi)hyllum, Michx., ii. 185. 



Douglasii, Watson, ii. 186. 



sclifoUum, ii. 185. 



tena.x, Nutt., ii. 185. 

 Ximenesia encelioides, Cav., i. 



350. 

 Xylococcus, Nutt., i. 452. 



bicolor, Nutt., i. 454. 



Yarrow, i. 400. 

 Yeara, i. 110. 

 Yellow Pine, ii. 126. 



Yellow rond-l.ily, i. 17. 

 Yerba Buena, i. 595. 



de la Biljora, ii. 452. 



del O.so, ii. 4.39. 



Mansa, ii. 77. 



Peuma, ii. 433. 



Santa, ii. 468. 

 Yew, ii. 110. 

 Yucca, Linn., ii. 163. 



aloifolia, Torr., ii. 164. 



baccata, Torr., ii. 164. 



brevifolia, Engelin., ii. 164. 



Draconis, ii. 164. 



filamciUosa, ii. 164. 



graminifolia. Wood, ii. 1*55. 



Whipplei, Torr., ii. 164. 



Zacate de liebre, ii. 289. 

 Zannidiellia, Micheli, ii. 19:j. 



iiiiijiir, Boenn., ii. 193. 



palustris, Linn., ii. 193. 

 Zajutnia ,iudijl,,ni. Lam., i. Gill 

 Zapote bianco, ii. 438. 

 Zau.schneria, I'rcsl, i. 217. 



Californica, Pre.sl, i. 218. 



Mr.riatna, Prcsl, i. 218. 

 Zizyphus, Ju.ss., i. 99. 



Parryi, Torr., i. 99. 

 Zostera, Linn., ii. 191. 



angustifolia, Peichcnb., ii. 

 192. 



marina, Linn., ii. 192. 

 Zygadene, ii. 183. 

 Zygadcnu.s, Mich.x., ii. 183. 



clihininthun, ii. 183. 



DiiHglasii, Torn, ii. 183. 



elegans, Pur.sh, ii. 183. 



Fremonti, Torr., ii. 183. 



ghibcrrimufi, ii. 183. 



glattcun, Nutt., ii. 183. 



Nuttallii, Gray, ii. 184. 



Nnltitllii, ii. 183. 



panitulatus, Watson, ii. 184. 



venenosus, Watson, ii. 183. 

 Zygodon, Hook. & Tayl., ii. 

 376. 



CalifornicHs, Hampe, ii. 376. 



Lajiponicus, Bruch&Schimp., 

 ii. 376. 

 ZYGOPUYLLACKiE, i. 91. 



