118 
UMBELLIFERAE 
Fruit oblong or orbicular, somewhat laterally compressed. Ribs acute 
or filiform, equal. Oil-tubes conspicuous. (Sebastin Eugene Vela, stu¬ 
dent of the Umbelliferae.) 
Leaves simply pinnate; ribs of the fruit prominent.1. V. arguta. 
Leaves ternate ; ribs of the fruit inconspicuous..2. V. hartwegii. 
1. V. arguta (Nutt.) C. & R. Plants 3 to 7 dm. high; leaves 4.8i to 
12 cm. long; leaflets 5 to 7, ovate, serrate; fruit oblong, its ribs acute, 
prominent.—Mountains of coastal S. Cal. 
2. V. hartwegii (Gray) C. & R. Plants tufted, 2.8 to 8.6 dm. high; 
leaflets ovate or oblong, sparingly incised, serrate, mucronate; fruit near¬ 
ly orbicular, the ribs slender, inconspicuous.—Foothills, cent. Cal. 
14. FOENICULUM Hill 
Stout perennial with aromatic herbage. Leaves decompound, dis¬ 
sected into numerous filiform segments. Flowers in large compound 
umbels. Fruit oblong, with prominent ribs and oil-tubes solitary in the 
intervals. (Diminutive of Latin foenum, hay, from its odor.) 
1. F. vulgare (L.) Gaertn. Sweet Fennel. Stems striate, branch¬ 
ing, 8.6 to 20 dm. high ; herbage glaucous.—Nat. from Eur.; waste places 
on old farms and by country lanes. 
15. HERACLEUM L. 
Tall stout perennial with very 
large compound leaves with 3 leaf¬ 
lets. Flowers white, in a large 
compound umbel, those near the 
margin of the umbel with larger 
corollas. Fruit almost round, 
strongly flattened, with 5 longi¬ 
tudinal ribs on the back of each 
half. Oil-tubes 1 to each inter¬ 
val between the ribs, visible from 
the outside. (Named for Hercules, 
who it is said, first used it as a 
medicine.) 
1. H. lanatum Michx. Cow 
Parsnip. Fig. 4. Moist north 
hillsides near the coast. 
16. LOMATIUM Raf. 
Hog-Fennel 
Low perennials with thick tap¬ 
roots, the leaves mostly basal and 
the stems scape-like. Flowers 
white or yellow, in compound um¬ 
bels. Bracts usually none. Bract- 
lets usually present. Fruit nearly 
round to oblong, much flattened, 4. Heracleum lanatum Michx. ; a, 
with 5 ribs on the back of each > c b > um bel ; c, carp. x2; 
half, the lateral ribs winged, the d ‘ sect ' of carp ' x3 ‘ 
others appearing as ridges. (From Greek loma, a border, referring to 
the winged fruit.) 
