564 



Saxifraga nivalis i. 255 



Pennsylvanica . 255 



veriuilis 255 



Virginianus . . 255 

 SAXIFRAGACE^. i 254 



Saxifrage Tribe i. 254 



Scabious Tribe i . 320 



Schenodorus tenellus . . ii. 470 



ScHEUCHZERIA ii. 262 



palustris 262 



Schanus albus. . .. ii. 363 



angustifolius . . 337 



capitellatus 365 



fuscus 364 



glomeralus 365 



setaceus 364 



spathaceus 337 



Schoberia maritima . . ii. 141 



Schollera graminea . . ii. 3 1 3 



graminifolia . . 313 



Scirpidium aciculare . ii. 349 



SciRPUs ii. 350 



acicularis 349 



acutus 353 



Americanus - . 352 



atrovirens 355 



autumnalis 361 



badius .. 354 



brunneus 355 



coespitosus 351 



capillaceus. . 349, 350 



capillaris 361 



capitaius 348 



cyperiformis .. 341 



cyperinus 356 



debilis 352 



echinattts 344 



Eriophorum . . 356 



eriophorus 356 



glaucus 346 



intermedins . 347, 348 



lacustiis 353 



lincatus 356 



macroslachyos . 354 

 maritimus 354 



INDEX. 



Pag». 



Scirpus minimus ii. 362 



mucronatus 353 



mucronulatus . 361 



Muhlenbergii . 361 



oryzalis 353 



ovatus 348 



palustris 346 



planifolius 351 



polyphyllus 355 



puberulus 360 



pungens 352 



pusillus 350 



quadrangulatus, 350 



retrofraclus . . 344 



robvsius 354 



rostellatus 347 



spadaceus 360 



spathaceus 337 



subsquarrosus . 362 



subterminalis . . 351 



tenuis 350 



thyrsifiorus 356 



irichodes 349 



triqueter 352 



tuberculatus . . 348 



tuberculosus . . 348 



validus 353 



SCLERANTHACEiE, i. 107 



ScLEEANTHUS i. 108 



annuus 108 



ScLERiA ii. 367 



laxa 368 



pauciflora 369 



reticularis 367 



reticularis 368 



tessellata 367 



triglomerata 368 



triglomerata - . 366 



verticillata 369 



SCOLOPENDRIUM ii. 490 



ofRcinarum 490 



Scorpion Grass ii. 87 



Scouring Rush ii. 482 



Screw Fern ii. 492 



SCROPHULARJA ii. 31 



Page. 



Scrophularia lanceolata, ii. 31 

 Marilandica .. ' 31 



nodosa 31 



SCROPHULARIACE^, 



ii. 28 



Scullcap ii. 70 



Scurvy-grass i. 52 



Scutellaria ii. 70 



fimbigua 71 



Caroliniana .. 71 



galericulata 72 



gracilis 71 



hyssopifolia 71 



intcgrifolia 71 



lateriflora 72 



nervosa 71 



ovalifolia 70 



parvula 71 



pilosa 70 



teucrifolia 71 



Sea Chickweed i. 93 



Sea Reed ii. 445 



Sea Rocket i. 66 



Sedge ii. 367 



Sedge Tribe ii. 336 



Sedum i.252 



telephioides 252 



Telephium ... 252 



Selaginella ii. 511 



apus 511 



Helvetica 512 



rupestris 511 



Self-heal ii. 69 



Seneca Grass ii. 419 



Senecio i. 402 



atriplicifolius . 401 



aureus 402 



Balsamitce 402 



ciliatus 353 



hieracifolius . . 400 



obovatus 402 



suaveolens 401 



vulgaris 402 



SenecionidejE i. 371 



Senega Snakeroot i. 151 



