47 
4 а. Leaves grass-like; perianth 6-parted, greenish outside. i 
tar-grass. (Hypoxis hirsuta.) 
B Le И MRO See д Л ор ee Е Я о Lors VE 
5 a. Flowers small, usually without stalks, arranged in more or less tikes 
SEEPS TID о ООА ТЕ Heg ato Fuge me cec Ca tle, du RE cM ША 
b. белье Bot compleri ae i wee. eos, ee л. тм. E P a vo 22. 
oa Leaves compound withy Майны сс 6 ДЫ ШЫ ET МАШЫ LA Ji 
b. Leaves not with 3 leaflets; iod of flowers subtended by an involucre of 
Diac ritas tas oh Сүн бше ATUM Бе зды M EQ. Aie COPS Oe, то 
7 а. Stipules toothed at the base; seeds black when ri 
Blackseed Hop Clover. (Medicago gie 
о. Seles mb ТООН ab tio buie, o dicla cese ie EX ЛД 
8 a. Terminal leaflet distinctly T 
ow Hop Clover. (Trifolium DO) 
b. Terminal leaflet not distinctly Ma Е А ER I LU. 
9 a. Leaflets 1-3 in. long; heads loosely flowered. 
oose-flowered Hop Clover. (Trifolium dubium.) 
b. Leaflets 1 2-1 in. long; heads densely flowered. 
Hop Clover. (Trifolium aureum.) 
то а. Leaves all basal, галы lobed; flowering stalk hollow; plant exudes a milky 
juice when broken............. Dandelion. (Taraxacum Taraxacum.) 
b. Plants not заран OS ао узшш ыу лаа. If. 
II а. Stem very kei leaves bract-like, the large basal leaves wanting at flower- 
ing ume... v INED ара Colt's-foot. (Tussilago Farfara.) 
b. Plants not кашы pP Rm ca pec LT e em A 12 
I2 a. Plants white-woolly throughout; leaves entire. 
udweed. (Gifola diee ) 
ОТР ИТЕ nottonipletery dE ae oe oo ol Sie Po e UG Ero E QS 
13 a. When open all flowers in the head with irregular, strap-shaped cr 
аала thé Dandelions о oo). 565 ОООО ee wa 
b. Only outer flowers in the head with an irregular, strap-shaped corolla, ih 
uet ones tabular, aa in the Daly. uo he eV ee р. 17 
fu PIOWweHng tak vini rbt i i a т уо ус = 
b. Kilowering etalk with 3 or more bendi 2.5 ee ea 
15 a. Basalleaves entire; head 1-2 in. broad.. . Hawkw diede ieracium пл. in 
b 
b. 
- Basal leaves usually toothed or lobed; heads 1— е) іп. 
Dwarf Dandeli 
delion. veio: сеснен. ) 
. Basal leaves with purplish veins; stem leaves Rs clasping 
weed. сс venosum.) 
Rattlesnake- 
. Basal leaves not with purplish veins; stem leaves clasping. 
c 
ynthia. (Adopogon virginicum.) 
Heads 2-4 in. broad; plant covered with long hairs throughout; leaves 
Df E a ap PIDE UU ds Yellow Daisy. (Rudbeckia hirta.) 
th a brown or purple base; leaves pinnately divided 
Garden Tickseed. oreopsis tinctoria.) 
Plante Wot combblele Gs INO. 21710 ху о SISTI. 
flowers 
Ig. 
-I9 a. Outer with corolla 3-7-lobed at the apex; lower leaves oblong or 
VEL. er cec ae Lance-leaved Tickseed. (Coreopsis lanceolata.) 
