476 



INDEX. 



nitida, 262. 

 oecidentalis, 263. 

 odorata, 260. 

 oppositifolia, 255. 

 pallida, 258. 

 perfoliata, 253 

 pinnata, 264. 

 Porteri, 269. 

 purpurea, 258. 

 quinata, 262. 

 radula, 274. 

 rupestris, 260. 

 serotina, 258, 260. 

 spathulata, 261. 

 spalhulata, 263. 

 speciosa, 261. 

 speciosa, 258. 

 strigosa, 260. 

 subtomentosa, 260. 

 Tagetes, 264. 

 lomentosa, 260, 264. 

 triloba, 259. 

 Sugelia nudicaulis, 383. 



Sage-brush, 367, 374. 

 Sage-bush, 374. 

 Salsify, 415. 

 Sambuckjs, 7. 

 Sambucus, 7, 8. 

 Canadensis, 8. 



flauca, 9. 

 umilis, 9. 



melanocarpa, 8. 



Mexicans, 9. 



nigra, 9. 



pubens, 9. 



pubescens, 9. 



racemosa, 8. 



velutina, 9. 

 Santolina suaveoleiis, 364. 

 Sanvitalia, 64, 254. 



Aberti, 254. 



acinifolia, 254. 



angustifolia, 254. 



ocymuides, 254. 



procumbens, 254. 



tragiatfolla, 254. 



villosa, 254. 

 Sartwellia, 76, 353. 



Flaveriffi, 353. 



Mexicana, 353. 

 Saussurea, 82, 396. 



acuminata, 397. 



alpina, 396. 



Americana, 397. 



angustifolia, 397. 



Ledebuuri, 397. 



monticola, 397. 



«M<Za, 397. 



subsinuata, 397. 

 Scabiosa atropurpurea, 47. 

 Scabious, 47. 

 Scariola, 442. 

 Schkuhria, 73, 334. 



Bigelovii, 333. 



bitemata, 333. 



Hopkirkia, 334. 



integrifolia, 332. 



Neo- Mexicana, 333. 



pedata, 333. 



pusilla, 334 



Wislizeni, 334. 



Woodhousii, 333. 



Wrightii, 034. 

 Sclerocarpus, 64, 256. 



exiguus, 306. 



gracilis, 305. 



uniserialis, 256. 

 Sclerolepis, 51, 92. 



verticillata, 92. 

 Scorzonella, 416, 417. 



glauca, 418. 



Zacuriato, 417. 



leptosepala, 418. 



nutans, 417. 



sylvatica, 417. 

 Scorzonerajjinnatifida, 441. 

 Selloa glutmosa, 114. 



v.udu.i<t, 354. 

 Senecio, 81, 383. 



Actinella, 384. 



CKnmophilus, 454. 



amplectens, 384. 



ampullaceus, 393. 



Andinus, 387. 



Arizonicus, 392. 



aronicoides, 388. 



atriplicifolius, 395. 



aureus, 391. 



aureus, 389, 394. 



Austince, 454. 



Balsamite, 391. 



Bigelovii, 385. 



Bolanderi, 392. 



Californicus, 393, 454. 



campestris, 388, 389. 



canus, 390. 



canus, 389. 



Cardamine, 390. 



Carollnianus, 394. 



ceratophyllus, 454. 



cernuus, 385. 



ciliatus, 221, 383. 



Cineraria, 383. 



Clarkianus, 393. 



Clevelandi. 387. 



Coronopus, 393. 



crassulus, 387. 



Cuminqii/ 381 . 



Cymbdlaria, 391, 392. 



cymbalarioides, 391. 



rieiiJts, 391. 



densijlorus, 394. 



Douglasii, 393. 



Elliottii, 391. 



elongatus, 391. 



eremophilus, 392. 



eurycephalus, 392. 



eurycephalus. 384. 



exaltatus, 388. 



fastigiatus, 390. 

 fastigiattis, 391, 393. 



Fend'leri, 392. 

 jilifolius, 393. 

 Jlocciferus, 383, 422. 



Fremonti, 386. 



glabellus, 394. 



Grayanus, 396. 



Greenei, 385. 



Hartwegi. 386. 



hieracif'ulius, 396. 



Hookeri. 389. 



Howellii, 390. 



Huachucanus, 386. 



hydrophilus, 387. 



imparipinnatvs. 394 



integerrimus, 388. 



integerrimvs, 387. 



integrifolius, 389, 390 . 



Jacobsea, 383. 



Kalmii, 383, 394. 



lanceolatus, 387. 



Layneas, 390. 



Leinmoni, 385. 



lobatus, 394. 



longidenlatus, 386. 



longilubus, 393. 



lugens, 388. 



lugens, 387. 



Lyoni, 454. 



lyratus, 394. 



megacephalus, 385. 



Mendociuensis, 384. 



Millefolium, 392. 



Mississippianus, 394. 



Mohavensis, 454. 



multilobatus, 394. 



Neo-Mexicanus, 392, 454. 



obovatvs, 391. 



Palmeri, 383. 



palustris, 394. 



Parryi, 393. 

 paudflorus, 391. 

 pauperculus, 391. 



petraus, 389. 



Plattensis, 391. 



Pseudo-Arnica, 384, 



Purshianus, 390. 



rapifolius, 386. 



Regiomontanus, 393. 



renifolius, 389. 



resedifolius, 390. 



Riddellii, 393. 



Rugelia, 383. 



Rusbyi, 385. 



Schweinitzianus, 394. 



Seemanni, 386. 



serra, 386. 



Soldanella, 384. 

 spartioides, 393. 

 staschadiformis, 393. 

 suciveokns, 395. 

 sulmudus, 391. 

 sylvaticus, 394. 



Tampicanus, 394. 

 Thurberi, 389. 

 Toluccanus, 388. 

 tomentosus, 390. 

 triangularis, 386. 

 viscosus, 394. 

 vulgaris, 394. 

 wernerisefolius, 389. 

 Whippleauus, 384. 

 SESECIOXIDEyE. 79, 375. 

 Sericocaipus, 56, 171. 

 conyzoides, 171. 



Oregonensis, 172. 

 rigidus, 172 

 solidagineus, 171. 

 tortifolius, 172. 

 Sericophyllum, 121. 

 Serinia caispitosa, 411. 

 Seriphidium, 374. 

 Serratula arvensis, 398. 

 Carolinensis, 91. 

 compta, 111. 

 glauca, 89. 

 Noveboracensis, 89. 

 pilusa, 111. 

 prmalta, 89. 

 scariosa, 110. 

 speciosa, 109. 

 spicata,, 111. 

 squarrosa, 109. 

 Seven-Years' Apple, 29. 



