148 WEEDS AND USEFUL PLANTS. 
stray from the garden into the fields, where it speedily degenerates, and, 
if neglected, becomes a troublesome unsightly weed. 
3. HERACLE’UM, L. Cow-parsnip. 
[Dedicated to Hercules.] 
Fruit broadly winged-margined ; carpels slenderly 5-ribbed, aoe 
es close Ses the margin ; oil-tubes shorter than the car pels. ‘Sto 
atie; leaves large, ternate ely dissected ; cranes broad and sheath ; 
umbels flat, large, the oi ing 2-cleft; 
involucre fe w-leaved, dbeudaoun: involucels : many-leaved. 
H. lana’tum, Mz. Woolly; stem sulcate; segments of the leaves 
broad, palmate-lobed, subcordate at base. 
Woorty Heraciecm. iia Peters 
Stem 4-8 feet high, branched a r 12 inches in length 
nae an wile ‘ lon mg, the middle bene agers 3-lobed ; pbuda 1-4 hes long. Umbels some- 
more in breadth, the rays 2- 6 inches long. Involucels of 5-8 leaves, 
which are a lancesinte, witha long sonaer ‘point. ers W white. 
Rich low grounds. More common northward, May-July. 
Obs. This very conenierons girong-seanted pen is sometimes used in 
—— Bebe seeds ai The root is very acrid when a 
blisters whet’ ied to the skin, * Much of its acridit; 
et 2 Bre and in this state it is used as a stimulant. ‘The plant hé 
tation, and should : used with po 
4, ARCHEM’ORA, DC. Cow-sanz. 
fNamed from saseileitang —who, it is said, died from ae eae j 
Calyx rey ae Fruit ti pressed. | 
La sees with 5 wich huss os the lateral ones Tilated intoa 
margin. Oil-tubes one in each channel, and 4— -60n. 
the | seer by Involucre 0 or few-leaved. Involucels many-leaved. Stem 
FiG. 99. Fruit of the Cow Parsnip (Heraclenm Janatum,) in which the oil-tabes do not 
fill the ¥ ‘ebobe letigiti of the cbesmets: fob. “fhe siane eos deena ie » boeki enlargea 
