264 UMBELLIFERAE 



ovate-oblong, 5-9 mm. long; wings less than half the width of the body; oil-tubes 3-6 in the 

 intervals, 4-6 on the commissure. 



Hillsides, Arid Transition and Upper Sonoran Zones; central Washington and Oregon, to northern Idaho 

 and Utah. Type locality: John Day Valley, Oregon. May-June. 



Lomatium Nelsonianum J. F. Macbride, Contr. Gray Herb. No. S3: 1^5. ,1918. Plants short-caulescent, 

 about 4 

 about 3 

 bractlets 



wings slightly . — ^ ^, - -- - -, » ,. x .. j i lh j 



the original collection (which is apparently a mixture of thxs and of L. dissectiim), dry rocky hillsides near 

 Mule Creek, Curry County, Oregon," and one later collection from the same area. 



51. Lomatium oreganum Coult. &: Rose. Blue Mountain Lomatium. Fig. 3591. 



Feucedanum oreganum Coult. & Rose, Rev. N. Amer. Umbell. 64. 18S8. 

 Lomatium oreganum Coult. & Rose. Contr. U.S. Nat. Herb. 7:224. 1900. 



Plants very low, acaulescent, 2.5-6 cm. tall, villosulose throughout, from a multicipital 

 woody caudex. Leaves bipinnate ; leaf-divisions crowded, oblong, 2-3 mm. long ; umbels greatly 

 reduced, with one fertile umbellet, the fertile rays 1-5 mm. long, and 2-3 sessile sterile um- 

 bellets; bractlets linear, acute; pedicels 1-1.5 mm. long; flowers yellow; fruit oblong, about 

 5 mm. long, villosulose ; wings much narrower than the body ; oil-tubes 2-3 in the intervals, 4 on 

 the commissure. 



Rocky ridges. Boreal Zones; Blue and Wallowa Mountains, Oregon. Type locality: alpine rocks. Blue 

 and Eagle Creek Mountains, Oregon. June-Aug. 



52. Lomatium Greenmanii Mathias. Greenman's Lomatium. Fig. 3592. 



Lomatium Greenmanii Mathias, Ann. Mo. Bot. Gard. 25: 274. 1937. 



Plants low, caulescent, 5-8 cm. tall, from a multicipital woody caudex. Leaves 1-2-pinnate, 

 the single stem-leaf much reduced, pinnate; leaf-divisions oblong, distinct, 5-10 mm. long, the 

 margins slightly roughened ; umbels reduced to 1-3 fertile umbellets and 1-2 sessile sterile um- 

 bellets, the fertile rays 1.5-2 mm. long; bractlets filiform, white-scarious ; pedicels about 1 mm. 

 long; flowers white; fruit ovate, 3.5 mm. long, glabrous; wings much narrower than the body; 

 oil-tubes solitary in the intervals, 2 on the commissure. 



Rocky ridges, Boreal Zones; high summits of the Wallowa Mountains, Oregon. Type locality: Wallowa 

 Mountains, head of Keystone Creek. July-Aug. 



53. Lomatium Parryi (S. Wats.) J. F. Macbride. Parry's Lomatium. 



Fig. 3593. 



Peucedanum Parryi S. Wats. Proc. Amer. Acad. 11: 143. 1876. 

 Pcucedanum scopulorum M. E. Jones, Contr. West. Bot. No. 8: 31. 1898. 

 Lomatium Parryi J. F. Macbride. Contr. Gray Herb. No. 56: 35. 1918. 

 Cogswellia Cottamii M. E. Jones, Contr. West. Bot. No. 16: 36. 1930. 



Plants acaulescent, glabrous, 2-4 dm. tall, from a long, somewhat stout taproot. Leaves 

 narrowly oblong, 2-3-pinnate; leaf-divisions linear, 2-9 mm. long; rays about 15, suberect, 

 subequal 2-4.5 cm. long; bractlets linear, acute, subscarious, sometimes cleft; pedicels 10-17 

 mm. long ; flowers yellow ; fruit oblong, 9-12 mm. long ; wings equaling or somewhat broader 

 than the body ; oil-tubes 2-3 in the intervals, 4 on the commissure. 



Desert mountain ranges. Upper Sonoran and Arid Transition Zones; Panamint Mountains, California, 

 to southeastern Utah. Type locality: southern Utah, probably in the vicinity of St. George. 



54. Lomatium Hallii (S. Wats.) Coult. & Rose. Hall's Lomatium. Fig. 3594. 



Peucedanum Hallii S. Wats. Proc. Amer. Acad. 11 : 141. 1876. 



Peucedanum microcarpum Howell ex. Coult. & Rose, Rev. N. Amer. Umbell. 65. 1888. 



Lomatium Hallii Coult. & Rose, Contr. U.S. Nat. Herb. 7: 224. 1900. 



Lomatium Leibergii Coult. & Rose, loc. cit. 



Plants short-caulescent, 2-3.5 dm. tall, glabrous except for an occasional slight scaberu- 

 lence in the inflorescence. Leaves tripinnate ; leaf-divisions distinct except the uppermost, linear 

 or oblong, 2-4 mm. long; rays 9-17, spreading, unequal, 1.3-5 cm. long, glabrous or scaberu- 

 lous below ; bractlets linear-lanceolate, acuminate ; pedicels 4-7 mm. long, glabrous or sca- 

 berulous ; flowers yellow ; fruit oblong, 5-7 mm. long, glabrous ; wings about half the width of 

 the body ; oil-tubes 2-3 in the intervals, 5 on the commissure. 



Bluffs and river valleys. Humid Transition Zone; western slopes of the Cascade Mountains, Oregon. 

 Type locality: "Oregon," probably Silver Creek, Marion County. April-July. 



55. Lomatium Martindalei Coult. & Rose. Martindale's Lomatium. 



Fig. 3595. 



Peucedanum Martindalei Coult. & Rose, Bot. Gaz. 13: 142. 1888. 

 Lomatium Martindalei Coult. & Rose, Contr. U.S. Nat. Herb. 7: 225. 1900. 



Plants short-caulescent, 1.5-2.5 dm. tall, from a long, somewhat thickened taproot. Leaves 

 1-2-pinnate; leaf-divisions oblong to cuneate, 5-10 mm. long, pinnately lobed to serrate above, 

 minutely roughened to glabrous on the margins and veins below; rays 4-7, suberect, unequal 

 1-5 5 cm long; bractlets filiform; pedicels 7-10 mm. long, only 2-3 fertile; fruit oblong, 13-16 



