564 
Arabis 
serotina 2 181 
Thaliana 175 
virginica 179 
viridis 181 
ARACEAE I 441 
Aralia 2 617-18 
hispida 618 
nudicaulis 618 
“ elongata 618 
“ prolifera 618 
racemosa 617 
spinosa 617 
Arbutus 
alpina 694 
Uva-Ursi 693 
Arceuthobium 
minutum I 638 
pusillum 638 
Archangelica 2 636 
atropurpurea 637 
Gmelini 646 
perigrina 646 
Archemora 2 637 
Arctagrostis I 201 
latifolia 201 
Arctium 3 547 
Lappa 547 
minus 548 
tomentosum 547 
Arctostaphylos 2 693-4 
alpina 694 
Uva-Ursi 2 693 
Arctous 2 693 
alpina 694 
Arenaria 2 52 
arctica 54 
biflora 55 
canadensis 60 
caroliniana 55 
ciliata 53 
humifusa 53 
Fendleri 54 
groenlandica 57 
Hookeri 2 53 
lateriflora 57 
leptoclados 53 
litorea 56 
macrophylla 58 
Michausit 55 
patula 56 
peploides 58 
pinetorum 53 
Pitcheri 56 
propinqua 54 
rubra 59, 60 
 sajanensis 55 
serpyllifolia 52 
squarrosa 55 
_ stricta 55 
texana 2 56 
thymifolia 42 
verna 54 
Arethusa I 562 
bulbosa 562 
divaricata 560 
ophioglossoides 560 
spicata 71,4 
trianthophora 562 
verticillata 561 
seePogonia 1 467-8 
Argemone 2 138 
alba 139 
albiflora 139 
hispida 139 
intermedia 139 
mexicana 138-9 
platyceras 139 
Argentina 2 258 
Anserina 258 
Babcockiana 258 
littoralis 258 
Argentina 
vulgaris 2 238 
Argyrothamnia 
humilis 2457 
mercurialina 456 
ria 2 291 
Arisaema I 442 
atrorubens 442 
Dracontium 443 
pusillum 442 
raed ve hot 443 
triphyllum 442 
Aristida I 178 
adscensionis 178 
basiramea 179 
Curtissii 179 
desmantha 183 
dichotoma 178 
“ Curtissit 179 
dispersa 180 
divaricata 183 
fasciculata 180 
Fendleriana 180 
gracilis 181 
“ depauperata 181 
intermedia 182 
lanata 182 
lanosa 182 
longiseta 181 
oligantha 181 
purpurascens 182 
ramosissima 179 
“ uniaristata 179 
tuberculosa 183 
Wrightii 180 
ARISTOLOCHIACEAE 
I 641 
Aristolochia I 645 
Clematitis 645 
hastata 645 
macrophylla 646 
Nashii 645 
rotunda 645 
Serpentaria 645 
Sipho 646 
tomentosa 646 
Armeria 2 218 
vulgaris 218 
Armoracia 2 162 
Armoracia 163 
rusticana 263 
Arnica 3 533 
acaulis 833 
alpina 534 
angustifolia 534 
Chamissonis 534 
chionopappa 3 534 
Claytoni 533 
cordifolia 533 
gaspensis 534 
maritima 541 
mollis 534 
montana 533 
nudicaulis 533 
plantaginea 534 
Sornbergeri 534 
Arnoseris 3 308 
minima 309 
pusilla 309 
Aronia 2 290 
(Pyrus in part) 
alnifolia 293 
arbutifolia 291 
atropurpurea 2g1 
melanocarpa 291 
nigra 291 
Arrhenatherum 1 220 
avenaceum I 220 
elatius 220 
Artemisia 3 522 
Abrotanum 526 
Absinthium 525 
GENERAL INDEX OF LATIN GENERA AND SPECIES. 
Artemisia 
annua 3 526 
biennis 526 
Bigelovii 530 
borealis 523 
cana 530 
canadensis 524 
capillifolia 356 
Carruthit 528 
caudata 523 
dracunculoides : 24 
“incana 524 
elatior 527 
filifolia 525 
Forwoodsi 524 
frigida 525 
glauca 524 
gnaphalodes 529 
groenlandica 523 
kansana 528 
longifolia 528 
Ludoviciana 529 
matricarioides 521 
mexicana 529 
pontica 3 527 
procera 526 
serrata 528 
Stelleriana 527 
tridentata 530 
vulgaris 822, §27 
Arum I 442-3 
Dracontium I 442 
nepenthoides 442 
triphyllum 442 
virginicum. 444 
Aruncus 2 247 
(Spiraea in part) 
Aruncus 2 247 
sylvester 247 
Arundinaria I 2905 
macrosperma 205 
-tecta 295 
Arundo 
arenaria 212 
brevipilis 212 
cinnoides 211 
festucacea 262 
Phragmites : 32 
tecta 295 
speCalamagrosts 207 
Asarum I 642 
acuminatum 642 
arifolium 643, 4 
canadense 642 
europaeum 642 
grandiflorum 643 
heterophyllum 644 
macranthum 643 
Memmingeri 644 
reflexum 643 
“ ambiguum 643 
Shuttleworthit 643 
virginicum 644 
ASCLEPIADACEAE 3 23 
Asclepias 24 
amoena 26 
amplexicaulis 28 
arenaria 30 
auriculata 35 
Bicknellii 28 
brachystephana 31 
Cornuti 30 
decumbens 25 
Douglasii 30 
exaltata 28-9 
floridana 35 
galioides A 32 
incarnata 26 
intermedia 28 
Jamesit 27 
kansana 30 
lanceolata 25 
Vor. ITI. 
Asclepias 
lanuginosa 3 35 
latifolia oF 
Meadii 28 
nigra 36 
obtusifolia 27-8 
ovalifolia 31 
perennis at 
paupercula 25 
pbhytolaccoides 29 
pulchra 27 
pumila 32 
purpurascens 26 
quadrifolia 29 
rubra 3 26 
speciosa 30 
stenophylla 34 
Sullivantii 27 
syriaca 24, 29-30 
tuberosa 25 
variegata 29 
verticillata $2 
viridiflora 34 
viridis 33 
Asclepiodora 3 33 
decumbens 33 
viridis 33 
Ascyrum 2 528 
Crux-Andreae 
2 528, 535 
hypericoides 2 528 
stans 528 
Asimina 2 83 
triloba 83 
Asparagus I 513 
officinalis 514 
Asperugo 3 84 
procumbens 84 
Asperula 3 266 
arvensis 267 
galioides 3 267 
odorata 267 
Aspidium I 16-22 
see Dryopteris 
americanum 22 
Asplenium I 25-30 
acrostichoides 30 
angustifolium 28 
Bradleyi 30 
ebeneum 27 
ebenoides 26 
Filix-foemina 30 
fontanum 29 
montanum ‘29 
parvulum 27 
pinnatifidum 27 
platyneuron ae 
pycnocarpon 28 
resiliens 27 
rhizophylla 26 
Ruta-muraria 29 
Sclopendrium 25 
thelypteroides 30 
Trichomanes 26-8 
viride 28 
Asprella 
HAystrix I 204 
virginica 168 
Aspris I 214 
caryophyllea 214 
praecox 215 
Aster 3 406 
amellus 406 
acuminatus 432 
adscendens 421 
amethystinus 418 
angustus 434 
annuus 440 
anomalus 413 
argenteus 423 
azureus 414 
bellidiflorus 428 
