Page. 
Euphorbia polygonifolia .--..-------------- 552 
SOrpehs ...--------- +22 eee eee eee ee eee 552 
serpyllifolia ..-.-..------------------: 179, 250 
stictospora ......----------------------- 552 
Euphorbiacew. ....--------------- 178, 250, 522, 551 
Euphrasia officinalis. ...-------------------- 345 
Euploca convolwulaced....-.-------------+-- 548 
Eurhynchium strigosum ......---------+--- 274 
barnesii ...---..--------------+++--- 274 
fallax .....------------------- ++ 274 
Eustoma russellianum ..-...--------------- 548 
Euthamia graminifolia. .-....------------ 162, 506 
Eutoca menziesti .....-------+--+-+--++22+++--- 242 
Evax prolifera. -..-------++++--2 002020 reee ee 507 
Evolvulus..-------------------- 2-222 - ec eeee 538 
Orgenteus. ...-0--2- 22 eee eee eee eee ee 516, 549 
nuttallianus.........-----------++++-- 516, 549 
pilOSUs .. 2222-2222 ee eee ee eee cette 516 
Fabacew ......------2----20- 22 eee ester 338, 543 
Fagacem .......2----2+---2 22-0 e reece 345 
Fagopyrum fagopyrum .-...--------+--++++- 178 
Falcata comosa.....-----------+----+eeeeee ee 156 
pitcheri .......-------------+2+22e errr 156 
Fatsia horrida ......----------+-- 2082 tere 229 
Fendleria rhynchelytroides -..---------+---- 56 
Ferns ..---------- eee cere cee cette 330, 475 
Festuca elatior pratensis-.----------------- 555 
fascicularis..--.+------+- 0222222 r rte 190 
flwitans...---+--22----22 2202 ccr reer 264 
jonesil.....-------- 2.2 esse eer eee cee 264 
microstachyS..-----------++---++ereee-- 264 
MYULUS .-.- 2-2-2022 ee reenter 264 
occidentalis ...--..-------+-+---++----°° 264 
octoflora .... 022.2222 22s eee ee eee eee 192, 264 
Oregona .--------+---- ee eeee reer 264 
OVINA.---. 2 eee eee eee eee 264, 532 
polyphylla ..-------------+--++++--- 265 
pratensis .....---+-+--222eeeeree errr 5955 
rubra longearistata ..-..--+-----+--++-- 265 
scabrella major....-.-------------2+++-- 265 
tenella. ...-------- 22-22-0220 ect e et 264 
viridula....-.------------++ees ee cttreee 265 
Filago prolifera ..-----------+++--+-+500007+ 507 
Wilices .....--------- 2-2-2 eee terres 194, 267 
Fimbristylis castanea ....--------++--+++-- 184 
Feeniculum feeniculum. --..---------------- 301 
Fontinalis antipyretica ..------------------ 272 | 
neo-MeXiICANA .---.-- +e eee eee eee 272 
Foxtail.....----- +--+ 2-22 ece eect 38 
Foxtail, green ....-------2----- eee errr erreee 38 
Foxtail, meadow .-.---.--------------0+e+--- 86 
Fragaria ....----------22ee eee e erect 222 
chiloensis ....--------- ener cece eeenee 331, 338 
elation. .......-------eeee ee eee eee 157 
VO@SCA._- eee eee eee eee eee eee 157, 569 
americana. -...-....00---eeee eee ee 157, 496 
chiloensis ....-...-----+e-222220-0-7° 338 
virginiana. ....-----+--+----2-- sere eee 157, 496 
illinoensis. -----------------+--+-+-> 222 
Franseria hookeriand. --..--------+-+-+--+++-- 233 
Frasera albicaulis......-..---------+-++---+-- 240 
speciosa ...-----.--5 ----eee eer rrets 240, 514 
Fraxinus lanceolata ....------+----------- 168, 513 
pennsylvanica ..-..--.---------+5--- 168, 513 
lanceolata......------+----+--+--- 168, 513 
ViTidi8. 2... ene eee eee eee ete 169 
Page. 
Fritillaria camschatcensis-..-....--------- 330, 346 
lanceolata .........-----------------+--- 254 
pudica ..-...---0-- eee eee ee eee eee eee 254 
Fritillary .....--.---------+- 2-22-22 eee sees 346 
Freelichia floridana ........-------------- 175, 551 
gracilis. ....---------------2--- 2s ese eee 175 
Frullania nisquallensis....------.--.------- 351 
Fumaria cuceularia .....--.--------++-+++++ 211 
Fumariace®........----------------+--0-5° 211, 483 
Funaria hy grometrica....-.-.-.--------+----- 271 
| Fung) ....---------- 0-2 eee e eee ee eee eecre 274 
| Gertneria acanthicarpa ....---------------- 233 
- Gaillardia acaulis .......--------+-20--- +++ 509 
| aristata ....-.------------+---- +--+ 2 ee 235, 509 
pulchella......-----------+-+-++-- 235, 540, 547 
| Galactia hirta.....22:eeeseeeeeseeeees we. 315, 316 
| Galardia acaulis ..---.---2-0-+-2 2-22 erro ee 547 
| Galium aparine .-.....+++----+--+-+++ 161, 229, 504 
| boreale....-----------ee errr eee eee 229, 504 
tinctorum ..-....---------------eeee eee 160 
trifidum......--------+--++--+---+--- 160, 230 
latifolium. ....-----------00-------- 160 
triflorum.....-------.----+++------ 161, 230, 504 
Galphimia sessilifolia .......--------+++----- 313 
Galpinsia hartwegil...---------+--++--+++°- 544 
Gama gTass ..---0--+--2 eee teeter tect eee 6 
— Gastridium. .-.---+--+++2-22eeeeeerrr reece 5, 78 
| australe ...--.e-c--e- eee eee eee er eee eee 78 
lendigerum ..---+---++-2 e002 reer reese 78 
~ Gaura biennis.....--------------+++2+2+--+°- 159 
coccinea. ...----------++222e-2+++- 159, 500, 544 
parviflora ...-------++--++-+222++- 159, 500, 544 
Gayophytum ramosissimum. ..----------- 226, 500 
strictUm. 2... -2ee2 ee eee eee e cree sree eee 226 
Gentiana acuta. ...----------- eee sere e ree 240, 513 
amarella..-.--- wee e cece cena eer eeecceees 344 
ACULD. . 22 een nee eee eee eee renee 513 
andrewsil ..---------- eee eee eee ee ceeee 170 
| calyCO8A... ++ 2-222 eee ee ee ee eee seer 344 
OFOGANA . ~~... ---- 22 rere eee cette r stress 240 
platypetala.......----++++++5002- 222205 344 
- Gentianacew®...-..----+------ 170, 240, 344, 513, 548 
Geraniace® ..--.--.---- ++ 22-220 e eee ee 218, 337, 489 
Geranium carolinianum....--------+++++++- 489 
longipes.-----------+--+-++eeeeeee 218 
ciculdriuM ...- 22. eee ee eee eee tees 218 
erianthum....------+----++++erereereee 337 
jncisum ...---------+-----ee- eee: 218, 489, 569 
| richardsonii......----------++++-+----- 489, 569 
| viscosissimum -....------------+---+++- 489 
Gerardia erecta ....------+--+-+-+0+ +--+ ---- 178 
tenuifolia .....---------+---+------eeeee 173 
Geum album ..--2.0.022222 scene eee e cree: 157 
calthifolium.......----------++2+-++--+-- 338 
canadense....-------2e2 sete ee eee eee 157 
ciliatum....--- nee e nce ee eee eeeeeneee 222, 496 
japonicum. ....22---seeee errr reer eee 157, 222 
macrophyllum ...------ aeeeeee--- 157, 338, 496 
rossii...--------+ www e eee cece eee eee eee 569 
| strictum ...-..-- pee e eee eee eeee 157, 222, 496 
triflorwm ..---+ 2222222 e rect eet 222, 569 
Gilia aggregata --------------+-+----e200+ 241, 548 
capillaris.....-----+-+------eeee eee re eee 241 
capitata..-.....---------- essere rere -- 241 
grandiflora. .---- cece eee eee ee eee ee noes - 241 
heterophylla ...---- wee e ee ee eee c ee weee 241 
