INDEX. 



ITames of orders are in CAPITALS ; of suborders, tribes, '&c., in small capitals ; of admitted 

 genera and species, in ordinary Soman type ; of synonyms, in Italic type. 



•Airotanum, 369. 

 • Absinthiwnt^ 369. 

 •^— vulgare, 370. 

 -Acamptopappus, 54, 124. 



Shockleyi, 124. 



sphserocephalus, 124. 



AcantholcBnaf 250. 

 'Auanthospermijm, 60, 239. 

 ,awK australe, 239. 

 m^^ JBrasilum, 239. 



Mspidvmi^ 240. 



humile, 240. 

 i~» xanthioides, 239. 

 -Acanthoxanthium, 253. 

 Acarphsea, 342. 



artemisicEfvlia, 342. 

 Achceia, 288. 

 Achillea, 78, 363. 

 "^^boreaJiSf 363. 

 ^^araeilis, 363. 

 ^f^J/inulosa^ 363. 

 .^^Millefolium. 363. 



multifiora, 363. 

 tmm ocddentallSj 363. 



~*tarmica, ^fiSj, 



^^ tom'entosaf 363^ 

 •Achyrachsena, 69, 312. 



mollis, 312. 



lAchyrwa, 124. 

 JicJiyropappus, 332. 



Woodhousei, 333. 

 •Aciphyllsea, 367. 

 ■ — ' aeerosa, 357. 

 'Acmella occidentalis, 258. 

 m^ repenSj 258. 

 Acoma dissectum, 301. 

 rAcosmia, 263. 

 .courtia, 408. 

 Ma., microcephala, 409. 

 ^Actinea^ 344. 

 .Actinella, 75, 344. 

 ■—^ acaulis, 345. 



argentea, 345. 



biennis, 346. 



Bigelovii, 346. 



Brandegei, 345. 



chrysanthemoides, 345. 



»depressa, 345. 



glabra, 345. 

 — — grandiflora, 345. 



insignis, 345. 



lanata, 330, 345. . 



L lanuginosa, 344. 



leptoclada, 345. 



linearifolia, 344. 



odorata, 347. 



Eichardsonii, 347. 



Richardsonii, 346. 



Eusbyi, 346. 

 ^**scaposa, 344. 



Torreyana, 345. 



Vaseyi, 346. 

 ictinaphoria, 129, 

 ■Actinolepis, 328. 



antliemoides, .328. 



Coronaria, 327. 



lanosa, 329. 



Lemmoni, 328. 

 ^^ rrmlticaulis, 328. 



mutica, 323. 



nivea, 323. 



tenella, 327. 

 —Wallacei, 329. 

 ^ctinomeris, 67, 289. 

 — — fflZaiffl, 287. 



alba, 289. _ 

 — ffftermz/Wia, 289. 

 ,,^ helianthoides, 288. 

 ——heterophylla, 288. 



longijolia, 287. 



nvdicaulis. 288. 

 ^...^positifolia, 288, 289. 



paudfiora, 288. 

 — squarrosa, 289. 



WriffAtii, 288. 



angustifolium, 303. 



— |-ADENdcAULE.B, 59. 



-Adenocaulon, 59, 237. 

 _- bicolor, 2-37. 

 Adenostyles Nardasmia 376. 

 Adenophyllum WHglitii, 357. 

 'Adopogon, 412. 

 -Adoxa, 7, 8. 



_ Moscliatellina, 8. 

 'JStJmlia uniflora, 92. 

 Agassizioj 351. 

 saaras, 351. 

 -Agarista, 299, 300. 



cnlliopsidea, 300. 

 •Agathyrms, 443. 

 "^^jHoridanus, 443. 

 ■»-.■ leucopJuBus, 449^ 

 -Ageratum, 51, 93. 

 ^^alhssimwm, 101. 

 ccslestmum, 93. 

 conyzoides, 93. 

 covymbo«um, 93. 



lineare, 338. 



littorale, 93. 



maritimum, 93. 

 Mexicanum, 93. 



pvnctatum, 92. 



iVrightii, 92. _ 

 .4?arC07ti(7- angustifolia, 268. 



helenioides, 267. 



helianthoides, 267. 

 Aldama uniserialis, 256. 

 s.^ j^Uoseris, 412. 

 •Alymnia, 238. 

 -.^iTraattWa, 332. 



iZmecto, 334. 

 Amblyolepis, 76, 351. 



setigera, 351. 

 Amblyopappus, 73, 334. 



pusillus, 334. 

 -Ambrosia, 63, 248. 

 "-'absinthifolia, 249. 

 » — Uicanthicarpa, 251. 

 ~"— aptera, 249. 

 ^^artemisisefolia, 249. 

 — -bidentata, 249. 



cheiranthifolia, 249. 



emtfp.'Pl^f.nvn.^ 250. 



-•^cor.O'mo]>ifrilia, 280. 

 criUnrnfoliti, 250. 



JilrHim-^ 249. 



. ^ f ruticosa, 250. 

 ^•^ glandulosa, 250. 

 m^t^heterophylta, 249. 

 hiiipida, 250. 

 integrifoliaf 249. 

 ^,^Liudheimenana, 250. 



longistylis, 249. 

 — — longistylis, 250. 

 mi^^panieiuata, 249. 

 ^^PerwOTamo, 250. 

 —^Pitcheri, 246. 

 .^^psilostachya, 250, 

 pumila, 250. 

 JewMybKffi, 250. 



- ~ — <c 



'pmehtosa ,2bl. -t^^'1-vXa- 



MHROSTEiB, 62i " 



Aniellastrum, 172. 

 Amellus CaroUnianus, 256. 

 ^^^spinulosus, 130. 

 .^-mJtosiis, 123. 

 Amida gracilis, 306. 

 — — hirsuta, 306. 

 Ammodia, 124. 

 ^KmjOregana, 124. 



scorzonercefolium, 438. 

 Amphiachvris, 53, 116. 

 -^ dvacunculoides, 116. 



Fremonti, 116. 

 Amphipajjpus Fremonti, 116, 

 .4naca(aJs, 417. 



