478 



INDEX. 



stricla, 148, 152, 157. 



tenuifolia, 161. 



Terne-NovK, 154. 



thyrsoidea, 147. 



Tolmieana, 151. 



tortifolia, 151. 



uliginosa, 151. 



uliginosa, 154. 



ulmifolia, 153. 



ulmifolia, 159. 



velutina, 158. 



verna, 152. 



verrucosa, 143, 155. 



villosa, 151, 153. 



viminea, 146, 149. 



Tirgauvea, 148. 



Virgaurea, 147, 148. 



virgata, 150. 



Virqiniana, 153. 

 Soliva, 78, 365. 



daucij'olia, 365. 



nasturtiifolia, 366. 



sessiiis, 366. 

 Solivcsa, 365. 

 Soncbus, 87, 444. 



acuminatus, 444. 



alpinus, 444. 



arvensis, 444. 



asper, 444. 



biennis, 444. 



Califomicus, 423. 



Canadensis, 444. 



Carolinianus, 444. 



Floridanus, 443, 444, 



hastatus, 435. 



leucopjiceus, 444. 



Ludovicianus, 443. 



macrophyllus, 444. 



muliifiorus, 444. 



oleraceus, 444. 



pallidus, 442, 444. 



pulchellus, 443. 



racemosus, 444. 



Sibiricus, 443. 



spicatus, 444. 



spinulosus, 444. 



tenerrimns, 444. 



tenuifolius, 444. 

 Sow-Thistle, 444. 

 Sparganoplwrus verticillatus, 92. 

 Spermacoce, 22, 33. 



Chapmanii, 34. 



diodina, 35. 



flabra, 34. 

 &Yta, 34. 



involucrnta, 33. 



parviflora, 34. 



podocephala, 34. 



Portori cell sis, 34. 



pygmcea, 34. 



subulata, 33. 



tenuior, 34. 



tetracocca, 33. 



Virginiana, 35. 

 Sphatromeria argentea, 367. 



capitata, 367. 

 Spilanthes, 65, 258. 



Nuttallii, 258. 



oecidentalis, 258. 



Pseudo-Acmella, 322. 



repens, 258. 

 Spilanthus, 258. 

 Spiridanthes, 323. 

 Stcehelina elegans, 109. 

 Starkea pinuata, 130. 



Star Thistle, 405. 

 Starwort, 172. 

 Staurospermum, 32. 

 Stemmodontia scaberrima, 286. 

 Stellate, 23. 

 Stenactis, 207, 219. 



ambigua, 219. 



annua, 219. 



Beyriehii, 219. 



duhia, 219. 



glauca, 208. 



speciosa, 209. 



strigosa, 219. 



werma, 216. 

 Stenotheca, 425. 



Mariana, 426. 



subnuda, 426. 



venosa, 426. 

 Stenotus, 131. 



acaulis, 132. 



armerioides, 132. 



ccespitosus, 132. 



fiorifer, 168. 



linearifolius, 132. 



multicaulis, 129. 



pygmaius, 131. 

 Stephananthus, 221. 

 Stephanomeria, 84, 412. 



cichoriacea, 413. 



coronaria, 454. 



elata, 413. 



exigua, 414. 



heterophylla, 413. 



intermedia, 417. 



lactucina, 413. 



minor, 413. 



myrioclada, 414. 



paniculata, 414. 



Parryi, 413. 



pentachssta, 414. 



rnncinata, 413. 



Thurberi, 413. T 



Schottii, 415. 



virgata, 414. 



Wnghtii, 414. 

 Stevia, 51, 91. 



amabilis, 91. 



angustifolia, 92. 



callosa, 337. 



comesc«?!s, 92. 



ivcefolia, 92. 



Lemmoni, 92. 



inacella, 91. 



micrantha, 91. 



Plummera;, 92. 



punctata, 92. 



salicifolia, 92. 



sphacelala, 337. 



virgata, 92. 

 Stick-tight, 296. 

 Stokesia, 50, 88. 



cyanea, 88. 

 Strigia, 103. 



Strongylosperma australe, 366. 

 Strumph'a, 21, 31. 



maritima, 31. 

 Stylesia, 331 . 

 Stylimnus, 225. 

 Stylocline, 58, 227. 



acaulis, 229. 



filaginea, 228. 



gnaphalioides, 227. 



micropoides, 227. 

 Stylopappus, 439. 



elatus, 438. 



grandifiorus, 439. 



lacimatus, 439. 

 Succory, 412. 

 Sunflower, 271. 

 Suprago, 109. 

 Sweet Scabious, 47. 

 Symphiotrichium unctuosum. 189. 

 Symphoria conglomerata, 13. 



elongata, 14. 



flomerata, 13. 

 eterophylla, 14. 



oecidentalis, 13. 



racemosa, 13. 

 Syrnphoricarpos, 7, 13. 



ciliatus, 14. 



longiflorus, .14. 



mollis, 14. 



montanus, 14. 



oecidentalis, 13. 



oreophilus, 14. 



parviflo7-us, 13. 



racemosus, 13. 



rotundifolius, 14. 



spicatus, 13. 



vulgaris, 13. 

 Synedrella, 67, 289. 



vialis, 289. 

 Syntrichopappus, 73, 328. 



Fremonti, 328. 



Lemmoni, 328. 



Tagetes, 77, 359. 



Lemmoni, 359. 



lucida, 359. 



micrantha, 360. 



papposa, 356. 

 Tagetike.*, 76. 

 Tanacetum, 78, 366. 



bipinnatum, 364. 



bvreale, 366. 



camphoratum, 366. 



caijum, 367. 



capitatum, 367. 



diversifolium, 367. 



Douglasii, 366. 



elegans, 367. 



Huronense, 366. 



Huronense, 367. 



Kotzebuense, 364. 



matricarioides, 364. 



Nuttallii, 367. 



Parthenium, 365. 



paucifiorum, 364, 366. 



potentilloides, 367. 



suaveolens, 364. 



vulgare, 366. 

 Taraxacum, 87, 440. 



ceratophorum, 440. 



corniculatum, 440. 



Dens-Leonis, 440. 



hirsutum, 439. 



laivigatum, 440. 



lanceolatum, 440. 



latilobum, 440. 



montanum, 440. 



officinale, 440. 



palustre, 440. 



phymatocarpum, 440. 

 Tarweed, 304, 306. 

 Teasel, 47. 



Tessaria borealis, 225. 

 Tetracarpum, 334. 

 Tetradymia, 80, 379, 453. 



canescens, 379. 



comosa, 379. 



