166 INDEX. 
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Page. Page. 
ne er mag Aspidium 
Fr 66 Filix-mas, RE de ole! Pa aR AG oe as 154 
arateiaee, nS & G 66 | Asplenium 
yallii, Gray 66 ebeneum, Ai s 154 
Pues eke Oity. eee eae 66 Filix-foemina, Bernh .......----- 154 | 
Parryi, Gr 66 septentriona . faeces a 154 
8, 66 PrahOMANeS, Lica oses sete. 154 
biginosus, T. & G 65 | Aste 
spimmlosus, DC oii. woes e's 2 65 meeniars Hand] ofenc (sess ses 56 { 
Aquilegia wentive ANG. Sows vo snindeetectes 56 
brevistyla, Hook 4 gustus, ee Goewe eds cee 58 | 
lea, Torr 4 carneus, ieiicckis eal 
Canadensis, L 4 elegans, T. & G 57 
ehrysantha, Gray... 222... ..-.. eae Engelmanni, Gray ..---- .----+--- 57 
leptoceru, N 4 coides, L 56 
vulgaris, L 4 faleatus, Lindl «ita 
Sons Fendleri, Gray S 
mona, Gray ilo.2. 623 6 glacialis, Nutt 57 
hireata: OOD iki os ioe cp ee 6 glaucus, T. & G Jeet 08 
retrofrac pc Grah 6 is, L 56 
Rs AUP EMR AR 9h wl jee ey eS 53 iltiflorus, Ait , 56 
Archangel Nuttallii, T. & G 56 
DE 52 ongifolius, Nutt....---------+ 56 
Actostaphy) 0s ptarmicoides, T. & G....-----.-- 
Uva-ursi, Spreng 88 salsuginosus, "Richards .....--2-- 57 
Arenaria Astragalu 
alpina, L 14 aboriginum, Richards-.--------- ) 
BY OUCO; ERY ices kate Soa 14 seit mcs mg, Pall: .pctcici. -snetees 
Pe a L  eeMpi Se Bigham biel pe. ep “ge ae 
endleri, Gray 13 bisulestus, Gr LOY -coewilesaetesses 
Lonmin AGRE rg oneness 14 Brandegei, Porter es 
L pestris, ro a ee esas ) 
Arceuthobium, Bieb 124 Canadfnsin, [s.565.. 6. sswe mans } 
ericanum, Engelm........... 124 |  caryocarpus, Ker.........--.---- j 
, Engelm 124 | cyaneus, Gra - 
Archemora |. decumbens, Gray ....--.....---- ) fi 
Fendleri, Gray 52| D ondii, Dougl.......---- os L ¥ 
Argemone Roe 9 dies eo ga ab: ween 3 
Mexicana, L 6 jilifolius, Gray - f 
Argyrothamnia, Miill.........- ... 126 | ‘flexuosus, Dougl «ie 
humilis, Mill 126 gidus, Gray .-22 222282 t2g246 : 
Aristida ' glabriusculus, Gray ..--.-------- 
oligantha, Mx 146 gracilis, Nutt aS ) 
urea, Nutt 146 gracile, Tort iziie.veais 0508s 56 ) 
Hallii, Gray sucuet j 
angstifoia, Wahl 7 hypoglottis. -- 
Saat Gaus eau 79 iodanthus, Watson ......-------- : 
om lia, ; Hook 80 Jumettit, Gray 555.55 tise econ ) 
jatifolia “tee, So EEO E Oe MPC 80 Kentrophyta, Gray....-.-------- : 
ol 80 | leptaleus, Gray ---....-.------ : 
Artemisia lonchocarpus, 2 eee eee ee 
retica, Less 78 lotiflorus, Hook . 
borealis, Pall 2i4 tvs. 22020... - 73 Mexicanus, DC -- 
Canadensis, M 73 microlobus, Gray ...--- ---- er ra 
discolor, Doug] 78 Missouriensis, Nutt....-.-------- 
’ 73 mollissimus, Torr ......-----+--- 
filifolia, Torr 78|  wultiflorus, Gray ......----- es 
» Willd... --.--.-.-, 2-00 78 | nigrescens, Gray ents 
Ludoviciana, Nutt 78 ae ides, Hornem — 
rai Ere Pe On ee 78 cin cuticicinwan are enarh 
scopulorum, Gray. 73 pectianetne Dougl Steak n eg eaters 
tridentata, Pursh-.....-.,.2---.: 78 | pictus, Gray --° 
ASCLEPIADACEA .... 000220002000 113 | Plattensis, Nutt oo ae eek 
ubentissimus, T. & G ..-------- 
~ brachystephana, Eng---.:....... 114 _ aa ob saree ne EE 
_ Jamesii, Torr 114 scopulorum, Porter ...------ eons 
—e Sent eeeteee eee ee 114 | sericoleucus, Gray ...--- sei cmeen 
_ speciosa, oom cael5i, ed Shortianus, Sh ee ss eee 
; de -nnennee licifoli TAY ~- eee nee ween st 
verticillata, L 114 foanailoras Ges cae eeceese 
