INDEX. 



425 



PAGE 



Scleria, Berg 108 



triglomerata, Mx 1 08 



verticillata, Muhl 108 



Scolochloa 396 



festucacea, Link 396 



Scolopendrium, Smith 268 



r ufficinarum, Swartz 268 



vulgare, Smith 268 



Scrophularia 346 



Californica, Cham 347 



lanceolata, Pursh 347 



nodosa, Linn., var. Mari- 

 landica, Gray 346 



Scutellaria 350 



angustifolia, Pursh 350 



Secale, Linn 243 



sativum, Linn 243 



Sedum 322 



Oreganum, Nutt 322 



Selaginella, Beauv 291 



apus, Spring 292 



rupestris. Spring 291 



var. ,3., Hook 292 



selaginoides, Link 291 



spinosa, Beauv 291 



SblaginellacbjE (cxxii.). 291 



Selinum 328 



Canadense b27 



Dawsoni, C. &E 328 



Pacificum, Wat •.... 328 



Senecio 335 



aureus, Linn., var. subnudus, 



Gray 335 



sylvaticus, Linn 335 



Serpicvla ocddentalis, Pursh ....... 1 



Setaria, Beauv 180 



glauca, Beauv 180 



Italica, Kunth 181 



verticillata, Beauv 181 



viridis, Beauv 181 



Sidalcea 313 



malvseflora, Gray 313 



Oregana, Gray 313 



Silene 309 



Cucubalus, Wibel 309 



Douglasii. Hook 309 



wflata 309 



. multicaulis, Nutt 309 



Silybum 336 



Marianum, Gaertn ••. 336 



Sisymbrium 304 



humile, C. A. Meyer 304 



humile 303 



Pannonicum, Jseg 305 



sinapistrum, Crantz 305 



Sisyrinchium, Linn 25, 863 



anceps, Cav 25 



apgustifolium, Mill 364 



Berrnvdiana, Mx 25 



var. anceps, Gray 25 



28 



PAGE 



var. nmcronatwm, Gray. . . 25 



Califopicum, Ait 25 



grandiflorum, Dougl 25 



lineatum, Torrey 25 



mucronatum, Mx 25 



mucronatum, Michx 364 



Smilacina, Desf. 30, 364 



amplexicaulis, Nutt 31 



amplmcavlis 364 



bureahs, Pursh 47 



bifolia, Hook 33 



bifoUa, Roem 32 



var. Canadensis, Gray 32 



Canadense, Pursh 32 



eiliata, Pursh 31 



raoemosa, Desf 31, 364 



var. amplexicaulis, Nutt . . 31 



racemosa, Hook 31 



sepsilifolia, Nutt 31, 365 



stel lata, Desf. 30 



stellata, Hook 31 



stellata 364 



trifolia, Desf 32 



uniflora, Menzies 47 



Sinilax, Linn 26 



cauduca, Pursh 26 



herbacea, Linn 27 



hispida, Muhl 27 



lasioneuron, Hook 27 



peduncidaris, Muhl 27 



pidvendenta, Mx 27 



quadrangularis, Pursh 26 



rolundifolia, Linn 26 



var. guadrangidaris, Gray. 26 



Solanum 346 



nigrum, Linn., var. nodi- 



florum. Gray 346 



var. villosum. Mill 346 



Solea, Spreng 307 



concolor, Ging 307 



Sorghum nutans, Gray 185 



Sparganium, Linn 69, 367 



affine, Schnitzlein 71, 367 



androcladum, Morong 70 



var. fluctuans, Morong. . . 70 



eurycarpum, Engelm . , 69 



hyperboreum, Lsest., var. 



Americannm, Beeby 71 



minimum, Fries 71, 367 



natans, Linn 71 



ramosum, Huds 69 



ramosum. Smith 70 



simplex, Huds 70, 367 



var. acaule, Beeby 367 



var. androcladum, Eng. . . 70 

 var. anguslifolium, Gray... 71 

 var. fluitans, Engelm .... 70 

 var. longissima. Fries. .. 367 

 var. Nuttallii, Engelm . . . 367 

 var. Nuttallii 70 



