CARROT FAMILY 



245 



ribs and giving the carpel a 5-ribbed appearance. Stylopodium conical. Oil-tubes solitary 

 in the intervals, 2-6 on the commissure. Seed-face plane. 



A North American genus of about 7 species. Type species, Sium rigidius L. 



1. Oxypolis occidentalis Coult. & Rose. Western Oxypolis or Cow-bane. 



Fig. 3538. 



Oxypolis occidentalis Coult. & Rose, Contr. U.S. Nat. Herb. 7: 196. 1900. 



Plants 6-15 dm. high, the stems simple or sparingly branched. Basal leaves simply pinnate, 

 12-30 cm. long, their leaflets ovate to linear-lanceolate, crenate, crenate-dentate, serrate, or 

 incised, 3.5-6.5 cm. long; stem-leaves few, the leaflets fewer, lanceolate to linear-acummate, 

 serrate, the uppermost reduced to the sheathing petiolar base ; involucre usually of 1-2 bracts ; 

 rays 12-24, 2-8 cm. long; involucels of few linear-attenuate bractlets; fruit oval or oblong, 

 5-6 mm. long. 



Mountain springs and bogs, Canadian and Arid Transition Zones; Cascade Mountains, southern Oregon, 

 to the Sierra Nevada and San Bernardino Mountains, California. Type locality: Crater Lake, Oregon. July- 



Aug. 



33. PASTINAcA L. Sp. PI. 262. 1753. 



Tall branching glabrous or pubescent biennials or perennials. Leaves pinnately com- 

 pound. Involucre and involucels small or wanting. Flowers yellow or red. Sepals obsolete. 

 Stylopodium depressed-conical. Fruit strongly flattened dorsally, oval to obovate. Car- 

 pels with winged lateral and filiform dorsal ribs. Oil-tubes solitary in the intervals, 

 2-4 on the commissural side. Seed flattened dorsally, the face plane. [The ancient Latin 

 name.] 



A genus of about 14 species, natives of Eurasia. Type species, Pastinaca sativa L. 



L Pastinaca sativa L. Parsnip. Fig. 3539. 



Pastinaca sativa L. Sp. PI. 262. 1753. 



Stout glabrate biennials, 3-10 dm. tall. Leaves oblong to ovate, pinnate; leaflets oblong 

 to ovate, serrate or somewhat incised or lobed, 5-10 cm. long; rays 15-25, 2-10 cm. long; 

 pedicels 5-10 mm. long; fruit 5-6 mm. long. 



Escaped from gardens, and locally naturalized in the Pacific States. Type locality: southern Europe. 



34. ANETHUM L. Sp. PI. 263. 1753. 



Slender glabrous and glaucous annuals, with pinnately dissected leaves and filiform leaf- 

 divisions. Flowers yellow, in compound umbels. Involucre and involucels wanting. Sepals 

 obsolete. Stylopodium conical. Fruit ovate, strongly flattened dorsally, glabrous; ribs 

 narrowly winged, the lateral broader than the dorsal ; oil-tubes solitary in the intervals. 

 [The ancient name.] 



An Old World genus of 2 species. Type species, Anethum graveolens L. 



3537 

 3537. Tauschia Howellii 



3538 

 3538. Oxypolis occidentalis 



3539. Pastinaca sativa 



