WOOTON AND STANDLEY FLOEA OF NEW MEXICO. 481 



13. ANGELICA L. 



Stout glabrous perennial 60 to 90 cm. high, with simply pinnate leaves having 2 

 to 4 pairs of ovate to narrowly lanceolate, sharply serrate to entire leaflets; flowers 

 white or purplish, in large spreading umbels; calyx teeth mostly obsolete; fruit 

 oblong, glabrous, 4 to 6 mm. long, the dorsal and intermediate ribs prominent, thick, 

 the lateral ones winged; oil tubes solitary in the intervals. 



1. Angelica pinnata S. Wats, in King, Geol. Expl. 40th Par. 5: 126. 1871. 



Type locality: Uinta Mountains, Utah. 



Range: Wyoming and Montana to New Mexico. 



New Mexico: Timitcha Mountains; Chama. Wet meadows and in bogs, in the 

 Transition Zone. 



14. PHELLOPTERXJS Nutt. 



Acaulescent perennials with pale, once to thrice pinnate leaves having mostly 

 short broad crowded leaflets and with purplish flowers; involucre hyaline, conspicu- 

 ous; calyx teeth evident; fruit orbicular, with broad wings and an oblong body 10 

 to 15 mm. long; oil tubes 2 to 4 in the intervals, 4 to 8 on the commissural side. 



key to the species. 



Bracts of involucels variously toothed at the apex 1. P. macrorhizus . 



Bracts of involucels entire. 



Involucre conspicuous; bracts and bractlets 1 to 3-nerved.. 2. P. utahensis. 



Involucre mostly a low hyaline sheath; bracts and bractlets 



many-nerved 3. P. multinervatus. 



1. PheUopterus macrorhizus (Buckl.) Coult. & Rose, Contr. U. S. Nat. Herb. 



7: 167. 1900. 

 Cymopterus macrorhizus Buckl. Proc. Acad. Phila. 1861: 455. 1862. 

 Type locality: Prairies north of Austin, Texas. 

 Range: Texas to eastern New Mexico. 

 New Mexico: Nara Visa (Fisher 109). Plains, in the Upper Sonoran Zone. 



2. PheUopterus utahensis (Jones) Woot. & Standi. Contr. U. S. Nat. Herb. 16: 



158. 1913. 

 Cymopterus montanus purpurascens A. Graj^ in Ives, Rep. Colo. Riv. 15. 1860. 

 Cymopterus utahensis Jones, Proc. Calif. Acad. II. 5: 684. 1895. 

 PheUopterus purpurascens Coult. & Rose, Contr. U. S. Nat. Herb. 7: 168. 1900. 

 Type locality: Above Pagumpa, Arizona. 

 Range: Idaho and Nevada to New Mexico. 



New Mexico: Barranca; Fort Wingate; Aztec; Sandia Mountains; Tierra Ama- 

 rilla. Open slopes, in the Upper Sonoran Zone. 



3. PheUopterus multinervatus Coult. & Rose, Contr. U. S. Nat. Herb. 7: 169. 



1900. 

 Type locality: Peach Springs, northern Arizona. 

 Range: Utah to Arizona and New Mexico. 

 New Mexico: Mangas Springs; Carrizalillo Mountains. Upper Sonoran Zone. 



15. ATJLOSPERMUM Coult. & Rose. 



Purplish, nearly acaulescent, glabrous herb, with broadly triangular leaf blades, 

 twice or thrice pinnately compound, and unequally 8 to 12-rayed umbels exceeding 

 the leaves; flowers yellowish purple; calyx teeth evident; fruit orbicular, glabrous, 

 8 to 10 mm. long; carpels with 3 to 5 broad wings scarcely thickened at the base; 

 carpels somewhat flattened, with broadly concave faces; oil tubes 4 or 5 in the inter- 

 vals, 8 on the commissural side. 

 52576° — 15 31 



