CARROT FAMILY 255 



obovate, 8-12 mm. long, granulate-roughened; wings nearly as broad as the body; oil-tubes 

 1-4 in the intervals, 4-5 on the commissure. 



Rocky ridges, Arid Transition Zone; central Oregon to northeastern California. Type locality: Logan 

 Valley, Union County, Oregon. May-June. 



23. Lomatium utriculatum (Nutt.) Coult. & Rose. Common Lomatium. 



Fig. 3563. 



Peucedanum utriculatum Nutt. ex Torr. & Gray, Fl. N. Amer. 1 : 628. 1840. 

 Lomatium utriculatum Coult. & Rose, Contr. U.S. Nat. Herb. 7:215. 1900. 

 Cogswellia caruifolia var. patois M. E. Jones, Contr. West. Bot. No. 12: 41. 1908. 

 Cogswellia Chandleri M. E. Jones, Contr. West. Bot. No. 13: 11. 1910. 

 Lomatium utriculatum var. glabrum Jepson, Madrono 1 : 152. 1924. 

 Lomatium utriculatum var. anthcmifolium Jepson, Fl. Calif. 2: 639. 1936. 



Plants caulescent, 1-5 dm. tall, glabrous to pubescent, from a long slender taproot. Leaves 

 tripinnate, sometimes ternate, then tripinnate ; leaf-divisions linear, 2-25 mm. long ; petioles 

 entirely sheathing except in some of the basal leaves; rays 5-13, spreading to ascending, un- 

 equal, 1-12 cm. long; bractlets obovate, entire or cleft, green with a scarious margin to purplish 

 and subscarious, occasionally prominently nerved ; pedicels 2-9 mm. long ; flowers yellow ; fruit 

 ovate to oblong, 5-11 mm. long, puberulent when young, glabrate; wings thin, mostly broader 

 than the body ; oil-tubes 1-4 in the intervals, 2-6 on the commissure, rarely obscure. 



Grassy hillsides and plains. Upper Sonoran and Transition Zones; British Columbia to southern Cali- 

 fornia, west of the Cascade Mountains and Sierra Nevada. Type locality: near the mouth of the Willamette 

 River, Oregon. March-June. 



Lomatium utriculatum var. papilliitum (Henderson) Mathias, Ann. Mo. Bot. Gard. 25:251. 1937. 

 (Cogswellia utriculata var. papillata Henderson, Rhodora 33: 204. 1931.) Mature fruit roughened with bud-like 

 1- to several-celled papillae. Southwestern Oregon. Type locality: Jackson County near the California border. 



24. Lomatium Vaseyi Coult. & Rose. Vasey's Lomatium. Fig. 3564. 



Peucedanum Vaseyi Coult. & Rose, Bot. Gaz. 13: 144. 1888. 

 Lomatium Vaseyi Coult. & Rose, Contr. U.S. Nat. Herb. 7:216. 1900. 



Plants caulescent, 2.5-3.5 dm. tall, pubescent with pilose hairs, from a long somewhat 

 thickened taproot. Leaves ternate, then bipinnate; leaf -divisions oblong, 3-17 mm. long; petioles 

 partially to wholly sheathing in the stem-leaves; rays 10-20, ascending, unequal, 2-7.5 cm. 

 long ; bractlets obovate, scarious-margined, entire or lobed toward the apex, glabrous or villosu- 

 lose; pedicels 3-8 mm. long; flowers yellow; sepals prominent, especially in the young fruit; 

 fruit ovate to obovate, 9-15 mm. long, glabrous ; wings thin, usually broader than the body; oil- 

 tubes solitary in the intervals, 4 on the commissure. 



Dry, sandy or gravelly hills and plains. Upper Sonoran Zone; southern California, southern Inyo County 

 and San Luis Obispo County, south to San Diego County. Type locality: San Bernardino Mountains, Cali- 

 fornia. March-May. 



25. Lomatium ciliolatum Jepson. Yollo Bolly Lomatium. Fig. 3565. 



Lomatium ciliolatum Jepson, Madrono 1: 155. 1924. 



Plants acaulescent, hoary-pubescent, about 0.9-1.6 dm. tall, from a long slender taproot. 

 Leaves ternate, then 1-2-pinnate; leaf-divisions oblong to ovate, 0.5-2 cm. long, irregularly 

 pinnatifid, densely hoary-pubescent throughout or only near the margins; fertile rays 2-5, un- 

 equal, 0.8-4 cm. long; bractlets obovate to lanceolate, with dark purple veins; pedicels 2-4 mm. 

 long ;' flowers purple or yellow ; fruit oval, 7-9 mm. long, glabrous ; wings thick, much narrower 

 than the body ; oil-tubes obscure, 4-5 in the intervals, 2 on the commissure. 



Rocky slopes. Boreal Zones; Inner North Coast Ranges, California. Type locality: Soldiers Ridge near 

 South Yollo Bolly, California. June-Aug. 



Lomatium ciliolatum var. Hooveri Math. & Const. Bull. Torrey Club 69:153. 1942. More slender, 

 1.5-3 dm. tall, densely scaberulous; leaf-divisions linear, 1-10 mm. long; rays 3-10 cm. long; pedicels 3-8 

 mm. long; fruit-wings thin. Inner North Coast Ranges, at lower altitudes. Type locality: northern Napa County. 



26. Lomatium Tracyi Math. & Const. Tracy's Lomatium. Fig. 3566. 



Lomatium Tracyi Math. & Const. Bull. Torrey Club 69: 154. 1942. 



Plants acaulescent, 1-3.5 dm. tall, glabrous to sparsely scaberulous-puberulent, from a long 

 slender taproot. Leaves ternate, then 1-2-pinnate; leaf-divisions linear to oblong, 1-7 mm. 

 long- fertile rays 1-6, strictly ascending, 0.5-8 cm. long, very unequal; bractlets oblanceolate to 

 linear acuminate, scarious-margined ; pedicels 1-5 mm. long, few fertile ; flowers yellow ; fruit 

 oblong-ovate to oval, 6-10 mm. long, usually acute at base and apex, glabrous ; wings thin, much 

 narrower than the body ; oil-tubes obscure. 



Serpentine soil. Arid Transition Zone; mountains of northwestern California to adjacent Oregon. Type 

 locality: Grouse Mountain, Humboldt County, California. June-July. 



27. Lomatium marginatum (Benth.) Coult. & Rose. Hartweg's Lomatium. 



Fig. 3567. 



Feucedanum marginatum Benth. PI. Hartw. 312. 1849. 



Lomatium marginatum Coult. & Rose, Contr. U.S. Nat. Herb. 7: 223. 1900. 



Lomatium alatum var. purpurexim Jepson, Madrono 1: 158. 1924. 



Plants acaulescent or short-acaulescent, scaberulous to glabrate, 1.5-6.5 dm. tall, from a 



