268 UMBELLIFERAE 



64. Lomatium nudicaule (Pursh) Coult. & Rose. Pestle Parsnip or 



Lomatium. Fig. 3604. 



Smyrnium nudicaule Pursh, Fl. Amer. Sept. 196. 1814. 



Ferula Nuttallii DC. Prod. 4: 174. 1830. 



Seseli leiocarpum Hook. Fl. Bor. Amer. 1: 263. 1832. 



Peucedanum latifolium Nutt. ex Torr. & Gray. Fl. N. Amer. 1: 625. 1840. Not DC. 1830. 



Peucedanum robustum Jepson, Erythea 1 : 9. 1893. 



Lomatium nudicaule Coult. & Rose, Contr. U.S. Nat. Herb. 7:238. 1900. 



Lomatium platyphyltum Coult. & Rose, loc. cit. 



Plants acaulescent, rarely with 1 stem-leaf, 2.5-7 dm. tall, glabrous, from a long thickened 

 taproot. Leaves 1-2-ternate, then pinnate ; leaf-divisions distinct, lanceolate to broadly ovate, 

 1 . 5-9 cm. long, entire or toothed and lobed at the apex ; peduncles swollen at the apex ; rays 

 10-20, ascending, 1-20 cm. long, somewhat swollen at tlie apex; bractlets absent; pedicels 3-15 

 mm. long; flowers yellow; fruit oblong, 10-14 mm, long; wings narrower than the body; oil- 

 tubes solitary in the dorsal intervals, 1 to several in the lateral intervals, 4-7 on the com- 

 missure. 



Gravelly soils, Upper Sonoran and Transition Zones; British Columbia to central California, eastward 

 to Alberta and western Utah. Type locality: The Dalles, on the Columbia River. April-July. 



36. HERACLEUM L. Sp. PI. 249. 1753. 



Tall, stout, caulescent, pubescent biennials or perennials. Leaves ternately or pin- 

 nately compound; leaflets broad, serrate to variously cleft or lobed; petioles conspicu- 

 ously inflated. Involucre usually none. Rays numerous. Bractlets numerous, narrow, 

 entire. Flowers usually white, the outer petals of the marginal flowers radiant (en- 

 larged) ; sepals obsolete ; stylopodium conical. Fruit orbicular to obovate or elliptic, 

 strongly flattened dorsally; dorsal ribs filiform, the lateral broadly thin-winged and 

 nerved near the outer margin; oil-tubes large, solitary in the intervals, 2-4 on the 

 commissure, extending only part way to the base of the fruit. [From the name for 

 Hercules.] 



A circumboreal genus of 60 species, only one of which is native to North America. Type species, 

 Heracleum Sphondylium L. 



1. Heracleum lanatum Michx. Cow-parsnip, Fig. 3605. 



Heracleum lanatum Michx. Fl. Bor. Amer. 1: 166. 1803. 

 Heracleum Douglasii DC. Prod. 4:193. 1830. 



Plants tomentose, 10-30 dm. high. Leaves orbicular to reniform, 2-5 dm. long, ternately 

 compound; leaf-divisions ovate to orbicular, 15^0 cm. long, cordate, coarsely serrate and 

 variously lobed ; upper stem-leaves with inflated sheaths ; peduncles densely villous beneath 

 the umbels; bracts 5-10, lanceolate-acuminate, deciduous; rays 15-30, unequal, 5-10 cm. long; 

 fruit obovate to obcordate, 8-12 mm. long, pubescent. 



Moist shade, Transition and Boreal Zones; Alaska to California, east to the Atlantic Coast. Type locality: 

 "Canada." Feb. -June. 



37. ANGELICA L. Sp. PI. 250. 1753. 



Stout and fistulose, usually erect, glabrous to tomentose perennials from stout tap- 

 roots. Leaves large, ternate-pinnately or pinnately compound, with broad and distinct, 

 serrate to lobed leaflets. Flowers in compound umbels, white, pink or purplish. Involucre 

 usually none ; involucel of numerous entire bractlets, or absent. Sepals minute or obsolete. 

 Fruit strongly flattened dorsally; carpels with filiform to narrowly or corky-winged 

 dorsal ribs, the laterals broadly thin- or corky-winged; stylopodium low-conical; oil- 

 tubes numerous to few, adhering to the seed or to the pericarp. Seed flattened dorsally, 

 the face plane to concave. [Name angelic, because of its cordial and medicinal properties.] 



A large circumboreal genus of about 50 species. Type species, Angelica Archangelica L. 



■Oil-tubes numerous, adhering to the seed, which is free in the pericarp at maturity; fruit-ribs thick and corky, 



broader than the intervals. \. A. lucida. 



Oil-tubes few, the seed adhering to the pericarp; fruit-ribs thin. 



Leaves ternate-pinnately decompound, the division linear to linear-oblong, 2—10 cm. long, 0.2-0.8 cm. 

 broad. 2. A. lineariloba. 



Leaves ternately, pinnately or ternate-pinnately divided, with oval to lanceolate leaflets. 

 Ovaries pubescent or roughened. 



Petals pubescent or scabrous dorsally; California and Nevada. 



Leaves oblong; rays 7-14; fruit 4-5 mm. long, 2-3 mm. broad. 3. A. Kingii. 



Leaves ovate to deltoid; rays 25—45; fruit 7-14 mm. long, 4-9 mm. broad. 



Leaves white-tomentose beneath, green above; maritime. 4. A. Hendersonii. 



Leaves scaberulous to villous, but not tomentose. 



Foliage glaucous, villous with some forked hairs; Coast Ranges and southern 

 California. 5. A. tomentosa. 



Foliage green, glabrate to somewhat villous; Sierra Nevada. 



6. A. Brcwcri. 



