INDEX. 



PAGE 



Abies, 363 



amabilis, Forbes 3(33 



Aciiida, 351 



tuberculata. Moq. var. sub- 

 nuda, Wat 351 



Acorus, Linn 74 



Calamus, Linn 74 



Adianuim, Linn 263 



lioreiile, Presl 203 



pedatum, Linn 203 



var. ranfriferinuni, liiir^tess 203 



Agropyrum, J. ( laTtn 241 



caninum, Reich 241 



dasystacliynm, Vasey 241 



divergens, Nees 241 



var. tenue, Vasey 242 



glaucum, K. & S., var. oa^i- 



dentale, V. & S 242 



repene, Keau v 242 



tenerum, Vasoy 242 



violaceuni, Lan^e 243 



Agrostis, Linn 198, 391 



xfjuiralvii!, Trin 203 



nlhn 201 



albimriK, lUickl 198 



canina, Linn 198, 391 



vai\ leijuimirU, Trin 203 



var. metaleuca. Bong. .200, 203 

 var. pakdla, Viisey. . .198, 392 



var. (?) tenella, Torr 19S 



Cinna, Pursli 202 



erypUiiidra, Torr 197 



dtcumbins, Muhl 201 



diffum, Muhl 195 



Druminondii, Torrey 200 



exarata, Trin... ■ 195, 392 



var. S. minor. Hook 200 



exarata, var. Wat 199 



geminata, Trin 199 



Hillebramlii, Thurber 203 



Mspida, Willd 200 



hum ills, Vasey 392 



lateriflora, Jliclix 194 



laxiflora. Rich 199 



Macounii, Serib 392 



Mexicana, Linn 194 



Michau-cii, Trin 199 



microphyila, Steud 199 



oreophila, Trin 199 



perennans, Tuck 199, 392 



polyrnorpha, Trin 200 



P.VGB 



racemona, Alichx 194 



rul/ia, Linn., var. Americana.. 391 



ny«'.<!(m, All 392 



ruprstrix, Cliapni 391 



scabra, Willd 19!) 



setom, JMuhl 1!)4 



mjlvatka, Torr 195 



letiuiflora, Willd 195 



varians, Ti in 200, 392 



verticillata, Vill 200 



Viryinica, JIuhl 19.S 



vulgaris. With 200 



var. alba, Vasey 201 



Aira, Linn 208 



amlni/iui, Michx 200 



arctim, S|)reng 209 



atropurpurca, \\'alil 209 



cn'xpilona, Linn 209 



caryopliylloa, Linn 20S 



dimtliimioiili!:, 'I'ri n 210 



eloiiyatii, Hook 210 



Ih'xuom, Linn 21 1 



'lallfnlia, 1 look 209 



molHx, Muhl 218 



oblHsata, M ichx 218 



priccox, Linn 208 



trmicalfi, Muhl 218 



Aletris, Linn 23 



alba, Michx 23 



farinosa, Linn 23 



Alisma, Linn 76 



natans, I'ursh. 76 



Plantago, L. var. Americanum, 



Gray 76 



Plantago, L 76 



tririatin, Pursh 76 



Alism.ace.k (cxiv. ) 76 



Allium, Linn 34 



acuminatum. Hook 36 



aiigulomm, Piirsh. 36 



( 'anadense, ICalm 36 



cornuum, Roth. ... 35 



cernuum. Hook 34 



Geyeri, Wat 36 



Nevii, W^at 37 



reticulatuni, Fraser 36 



var. ,1 Vint 36 



reticvlatum. Hook 37 



Scho_'no|)rasum, Linn 35 



stellatum, Fraser 36 



itellatum, Hook 35 



