117 
118 
ao eS 
53 
Flowers 1-4 in. broad......... Green Hellebore. (Helleborus viridis.) 
Flowers } in. or less broad... . Black Snake-root. (Sanicula marylandica.) 
eaflets 2-4 in. long, toothed...Wild Sarsa * ralia nudicaulis.) 
Leaflets 4—2 in. long, somewhat lobed at арех...............:....... У 
Flowers perfect; sepals 6; petals 6; stamen 
lue Co cid _(Canloptam thalictroides.) 
ens 
b. Flowers imperfect; perianth 4 or 5 part 
Early Masten: Rue. (Таши dioicum.) 
а. Leaves mostly basal, 4-10 in. long, gilesceninbe; В wers arranged in a 
Dade... iui eri Swamp ge. (Saxi is pennsylvanica.) 
b. Planta not completely as in Фа ori. Se ei ee Reha 107. 
a. Leaves with toothed, lobed, or wavy шаггїпз....................... 108. 
b. Leaves with ente НДЕН н Sev we Wie RE де A Svr шу» IIO. 
a. Leaves rounded, with 7—9 rounded lobes. 
um Root. (Heuchera americana.) 
Dy LOUER TOUR C ЕКА S V reseau es komo pira eme. E a 109 
a. Basal leaves with two basal, spreading lobes. 
Field Sorrel. (Rumex Acetosella.) 
b. Basal leaves not lobed........... ock. (Rumex verticillatus.) 
a. Leaves ovate, 3—12 in. long, not all кашы, гос 1—1i іп. broad, the perianth 
pparteds o eod sua da ULT White Hellebore. ( Veratrum viride.) 
b. Plante not comoletely On E В ol 0e iocos у RC KEY) oe III 
a. Leaf-like branches Md linear, т in. or less long; flowers about і in. 
ong, perianth 6-parted............ Asparagus. (Asparagus officinalis.) 
b. Plants not completely agin а.о ks ee Ss II2. 
e 
> 
a. 
b. 
a. 
b. 
a. 
sd 
. Plants nót completely as и бео 
. Plants with tendrils; bod with bad oder: 
Carrion 
Leaves 3-4, all basal, 4-8 in. long; flowers 4—1 in. long. 
Clintonia. (Clintonia borealis.) 
Flower. (Smilax herbacea. = 
. Plants notwith temiri а уз. оаа Kant t See whe ot а 
. Flowers 3 in. or more long; leaves 1-3 in. long. 
Bellwort. (Uvularia sessilifolia.) 
Flowers 1-2 in. long; leaves 2-6 in. long............... eere IIS. 
Leaves hairy beneath, especially o on the veins; flowers 1-3 in. 
ы, Seal. cote Мйне. ) 
. Leaves not hairy beneath; flowers 3-1 in. 1 
Smooth 
i ba (Salomonia commutata.) 
FLOWERS NEITHER YELLOW NOR GREEN. 
Several small flowers collected into a dense head which is subtended inis 
an involucre of bracts, as in the iue notas in Clover... i. tes 
Flowers not arranged completely as in а.........................-. 
At sean: the outer flowers of the iani with an irregular or sirap shaped 
TER á the flowers in the head with a strap-shaped corolla........... I24. 
Leaves pinnately divided into linear or lanceolate segments 
Corn Camomile. сазан: arvensis.) 
Leaves not completely as іп а.............. n 119. 
