CORN ACE A E (DOGWOOD FAMILY) 



3 a Fruit about % in. long; leaf-segments wedge-shaped 



to oblong SHORT-STYLED SNAKE-ROOT. (S. canadense.) 



b Fruit about V in. or more long; leaf -segments broadly 



ovate LARGE-FRUITED SNAKE-ROOT. (S. trifoliata.) 



3 CHAEROPHtfLLUM. .SPREADING CHERVIL. (C. procumbens.) 



4 WASHINGT6NIA.... WOOLLY SWEET-CICELY. (W. claytbni.) 



5 CONITJM POISON HEMLOCK. (C. maculatum.) 



6 BUPLEITRUM MODESTY. (B. rotundi folium.) 



7 PETROSELINUM GARDEN PARSLEY. (P. petroselmum* ) 



8 ZIZIA. 



i a Basal leaves round-heart-shaped, simple; fruit oval 



HEART-LEAVED ALEXANDER. (Z. cordata.) 

 b All leaves ternately compound ; fruit oblong 



GOLDEN MEADOW PARSNIP. (Z. aurea.) 



9 CICtJTA. 



i a Plant with bulblets in the axils of the leaves ; leaflets 



linear. . .BULB-BEARING WATER HEMLOCK. (C. bulbifera.) 

 b Plant not with bulblets in the axils of the leaves; leaf- 

 lets lanceolate to oblong. WATER HEMLOCK. (C. maculata.) 



10 AEGOP6DIUM GOUTWEED. (A. podagraria* ) 



1 1 DfiRINGA HONEWORT. (D. canadensis.) 



12 CARUM CARAWAY. (C. cdrui.) 



13 CORIANDRUM CORIANDER. (C. satlvum*) 



14 SIUM WATER PARSNIP. (S. cicutaefblium.) 



15 PTILfMNIUM MOCK BISHOP'S- WEED. (P. capillaceum.) 



16 LILAE6PSIS LILAEOPSIS. (L. lineata.) 



17 FOENfCULUM GARDEN FENNEL. (F. foeniculum.*) 



18 THASPIUM. 



i a Stem leaves ternately compound, regularly toothed ; 

 basal leaves usually simple, heart-shaped 



MEADOW PARSNIP. (T. trifoliatum.) 



b All leaves usually bi-ternately compound, irregularly 

 toothed 



HAIRY-JOINTED MEADOW PARSNIP. (T. barbinbde.) 



19 ANGELICA HAIRY ANGELICA. (A. villbsa.) 



20 PASTINACA PARSNIP. (P. satlva.*) 



21 HERACLEUM Cow PARSNIP. (H. lanatum.) 



22 DAtJCUS CARROT. (D. carbta.) 



23 APIUM GARDEN CELERY. (A. graveolens*) 



3 CORNACF.'E. Dogwood Family. 

 i C6RNUS. 



1 a Plant 3-9 in. high, woody only at the base 



DWARF CORNEL. (C. canadensis.) 

 b Plants 3 ft. or more high 2 



2 a Flowers yellow ; cultivated shrub ; fruit V% in. long, 



scarlet CORNELIAN CHERRY. (C. mas*) 



b Flowers not yellow, usually white 3 



13 193 



