,474 



.INDEX. 



siv spinosum, 253. 

 m^m strnmarLum, 252. 

 ■^ — Xantho, 32i. 

 — — Santhocephalum, 53, 114. 

 Benthamianum^ 114. 

 gymnospermoides, 114. 

 sericocarpum, 114. 

 Wrightii, 114. 

 "^ — Xanthocoma^ 114. 

 "^Ximenesia, 28S. 

 ^•^' encelioides, 289. 

 Xylorrhiza (flabriuscula, 200. 



villosa, 200.. 

 Sylosteon, 14. 

 "Xylosteum ciliatum, 16. 



"•^nvblucratum, 16, 

 -^eblongifolium,, 15. 

 — .^oloTdSj.lb. 

 —^Tartaricum, 15. 

 i^^llomm, 15. 



■Yarrow, 363. 

 YoungiapygmcBa, 431. 



Zexmenia, 67, 285. 

 - brevifolia, 286. 



hispida, 286. 

 ——hispidula, 289. 



podocephala, 286. 



Texana, 286. 



iinnia, 63, 263. 

 — acerosa, 254'. 

 anomala, 233. 

 — bicuspis, 253. 

 — •grandiflora, 253. 

 — intermedia, 253. 

 iuniperifolia, 253. 



— leptopo da, 253. 



^——muitijiora, 253. 



^-"pauciflora, 253. 



• pumila, 253. 



revoluta, 253. 



ienuijtora, 253. 



ZlNHIE^, 63. 



UniTersity Press : John Wilson & Son, Cambridge. 



