INDE XS TOT ERE Aan Ss: 
Argentina 
mnserima nly) Riv dst: ss scemesct-e sei 
Egedii (Wormsk.) Rydb........ ..... 
Chamaerhodos 
Gieerourh (I ig))) IEA DUANE) enceeaen, su oaccoadeons 
Comarum 
MaluStRe Wiis. : careewscceees sees osmsias- 
Comarella 
multifoliolata (Torr.) Rydb......... 
sabulosa (Jones) Rydb................ 
Dasiphora 
EVUit COSA, (lle) RIV GOs a sassate = cieticiles 
fruticosa monticola Rydb............. 
Drymocallis 
arguta (Pursh) Rydb.................. 
Comvalllaria Wid ses aececeiersciiaslrieier 
Cumertoliaie Rividllosteasjem.-cecert latices tee 
fissa (Nutt.) Rydb......... sebroshnestate 
elaborate RyGlor sarsescoese-r ee cse es 
glandulosa (Lindl.) Rydb............ 
glutinosa (Nutt.) Rydb............... 
pseudorupestris Rydb.................. 
reflexa (Greene) Rydb................ 
ThombordearhyGbixswasce-sessce st seer 
Wrangelliana (Fisch. & All.) Rydb 
Horkelia 
ALSYTOCOMA RY OD ec... 2ce0 ess ssasssnel 
Baileyi (Wiats:)) Ry db... .0.....00.006 
3aileyi setosa (Wats. ) Rydb......... 
Boland enig Garaiyeseseo-sssasei acer seen 
Californica Cham. & Schl.......... .. 
campestris (Jones) Rydb............. 
(CEN Ninh IbshaVoll bo sree noceosadeaodoneseouse 
caruifoliawmhiydlos..-cecscesesecss-eeecese 
Clevelandii (Greene) Rydb.......... 
Congestag Windle nee.-cieerseeecee eens: 
Gumeata mim days sscncceeee se scceecer cet 
daucifolia (Greene) Rydb............ 
elata (Greene) Rydb...........5....00: 
eremica (Coville) Rydb............... 
flavescens: Ryd... .tascccoecerescme eee 
frondosa (Greene) Rydb 
PLATE 
page 96 
feels 102 
siete 104 
SMactes aie 
baits 105 
eerie 94 
Bdbons 63 
eleiseye 57 
SdoBDe 88 
diserae s 70 
ance HY) 
TO ORY 61 
Spbane 76 
aiststots 66 
Asoabe 78 
sada 58 
aeponG 89 
Bae 75 
Fedisiea 56 
PLATI 
Horkelia— 
MUSA MAC os cisiciscsasisigesieteh se cmanie ease nets 71 
Gordonislookeeecsece sree eoee esse eece ee 92 
Hendersonii Howell..........5..005 -eeecese 67 
ininsuitan Nabbea.cac..s esses: pith Machen scutes og 
Howellii (Greene) Rydb........... .......- 81 
Kamen(Weaits:))) Riydibseassssseseecmasceeecese 90 
laxiflora GDreéw Roy dba. .s-asccdeseseseeene 80 
lycopodioides (Gray) Rydb................ 92 
Micheneri (Greene) Riydbycnsecee a-ceees 59 
Minaciii¢Giranyy) i iy.cllloveeseren enero aeeceeeereee 90 
Parryl (Greene) yd besns-esenesoseceeeenens 62 
jeeURMakoras INMMI Ni coesGacnecoooodadosdd seaceonec 68 
Pickenmeu (Gray) iy dbsncese sees eee 86 
pinetorum (Coville) Rydb.................. 83 
platy: calyx dRiy CDs ecesetence teceteseeceese eee 64 
Dlatypetalany diese sessessseceseceeeeeeee 67 
pseudocapitata Rydb....................000 69 
puberula (Greene) Rydb............:.2...-- 65 
puUnpurascenss Wats ce-c-cos-na.ceceseeeeee 82 
pygmaea (Gray) Rydb.........2.........0. 93 
Scarcull aris: iy dbeace. scseceeaesceceetonscee 91 
Ser Ca tagWWiabStecreohsse. scl scans ere 81 
Serrcean(Guraiy,) Riv den genes section tees 60 
Sericolew cca. e-eeeeecheseece eee eae 85 
Shochleyi (Wats.) Rydb................... 93 
Genella(WratSey) ey Cb v scenario sete iemiceiiee 72 
tenuiloban Gorey Grayinns case soccer 73 
tridentatan Worthy sceessctese eee cscees esses: 74 
unguiculata (Gray) Rydb.................. 87 
Utahensis ( Wats.) Rydb..................-- 91 
Wiebberi Waits.) Ry dibsce.....c0s0sa eee 88 
Potentilla 
amibigens|Greenereccee sececesecesetcr ee 53 
aT penbeainly. cece ates ncnesbastaes hare ae ee 3 
INTPIZ OMI CAM GRECO wrsseereeeacseren Crees cette 45 
AUOLUMENSMELYCDpeaecs catesemeepe se ee scer eer 3 
Ibierenata iva lbeeseeetes.sesreeeeere see eeeeee 15 
bienmis(Greenei-emueeeceees teases ceeeeeeeee 9 
laxbéCorec HW VAUU UG leet oranaucosaescedonacasudadboxonac y 38 
bipinnatifi§idamDougle es eeeseereees 39 
bipinnata platyloba Rydb................... 39 
