INDEX. 



763 



Alaternus TOURN 356 



AlbersiaKuNTH 215 



AldeaR. and P 435 



Alectoroctonum SCHLECT 341 



Alepidea Laroche 388 



Alipsa HOFFM 173 



Alisma LINN 43 



Alisma angustifolium HOPPE. 43 



r-lanceolatum SCHULTZE. 43 



latif olium GILIB 43 



natans POLL . . . . 43 



odorata RAF 43 



parviflora PURSH 43 



Alisma plantago LINN 43 



Alisma plantago var. araeri- 



canum R. and S 44 



plantago var. triviale B. 



S. P 43 



ranunculoides ALL 43 



roseum RAF 43 



subcordatum RAF 43 



trivialis PURSH 43 



Alismaceae 42 



Alliaria ADANS 257 



Allionia LOEFFL 216 



hirsuta PURSH 217 



linearis PURSH 216 



nyctaginea MICHX 217 



Allium LINN 147 



Allium acutum SPRENG 148 



Allium canc.dense KALM 147 



cernuum ROTH 148 



Allium foliosum CLAR 148 



palustre POURR 148 



punctulatum SCHLECHT 148 



Allium schoenoprasum LINN ... 148 

 Allium schoenoprasum var al- 



pinum KOCH 148 



.ibiricum Rand S 148 



jibiricum schoenoprasi- 



oides FR , 148 



itellatum HOOK 148 



Allium stellatum NUTT 147 



Allium tenuifolium POHL 148 



Allium tricoccum AIT 148 



Allium tricorne POIR 148 



Alloteropsis PRESL 49 



AlnasterSPACH 189 



Alnites 190 



AlnobetulaScHUR 189 



Alnophyllum 190 



Alnus GAERTN 189 



Alnus crispa PURSH 190 



glauca MICHX. f 190 



Alnus incana (LiNN.) 190 



Alnus incana var. glauca GRAY '190 



incana var. vulgar is 



SPACH 190 



intermedia SCHRAD. .. 190 



Alopecurus LINN 61 



Alopecurusaristulatus MICHX. 61 



f ulvus KUNTH . . 61 



Alopecurus geniculatus var. aris- 



tulatus ( MICHX.) 61 



Alopecurus subaristatus PERS. 61 



Alsinaceae 219 



Alvardia FENZL 390 



Alymnia NECK 531 



Alyssum ludovicianum NUTT. 263 



Amarantaceae 213 



Amaranthus LINN 214 



Uitoides S. WATS 215 



Amarantus tamariscinus 



NUTT 214 



Amaryllidaceae 159 



Ambassa STEETZ 499 



Ambliolepis DC 547 



Amblyogene RAF 214 



Ambrina SPACH 211 



Ambrosia LINN 534 



Ambrosia absinthifolia 



MICHX 534 



Ambrosia artemisiaefolia LINN . 534 

 Ambrosia coronopifolia T. and 



G 534 



eiatior LINN 534 



heterophylla MUHL 534 



paniculata MICHX 534 



peruviana DC 534 



Ambrosia psilostachya DC 534 



trifida LINN 535 



trifida var. integrifolia 



(MUHL.) 535 



Amelanchier MED 285 



alnifolia NUTT 285 



Amelanchier bartramiana 



ROEM 286 



botryapium BORKH 286 



canadensis ANDERS 285 



Amelanchier canadensis (LiNN.) 285 

 Amelanchier canadensis var. 



alnifolia TaudG 285 



canadensis var. botrya- 

 pium T. and G 286 



canadensis var. oblong- 



ifoliaBENTH 285 



canadensis var. oblong- 



ifolia T. and G 286 



Amelanchier canadensis var. 06- 



omKs(MiCHX.) 286 



Amelanchier canadensis var. 



prunifolia CASTIGL .. 286 



canadensis var. pumila 



Tand G ^85 



diversifolia var. alnifolia 



TORR 285 



florida LINDL 285 



intermedia SPACH 286 



oblongifolia ROEM 286 



ovalis DC 286 



ovalis HOOK 286 



ovalis var. semiintegri- 



folia HOOK 285 



pumila 285 



sanguinea LINDL 286 



spicata.. DECN 286 



wangenheimiana ROEM. 286 



Amelanchier PERS 283 



Amelia ALEF 403 



Amellus ADAMS 515 



