126 BOTANY. 



to Canada and the Saskatchewan ; Western Wyoming, (Tolmie.) Wahsatch 

 Mountains, (Parley's Park,) Utah; 6,000 feet altitude; June. (455.) 



Selinum^ Kingii. Stems 1-2° high, somewhat branching from a thick 

 root ; radical leaves bipinnate, the cauline nearly simply pinnate, with petioles 

 dilated at base ; leaflets 1-3' long, ovate or linear-lanceolate, coarsely and 

 unequally serrate, teeth cuspidate ; umbels 5-10-rayed, glabrous ; involucre 

 and involucels none ; calyx-teeth small ; petals white ; fruit hispid, 2-3" long, 

 exceeding the raylets, broadly ovate, the dorsal ribs narrowly winged, 

 approximate, the lateral ones broader, slightly thickened; dorsal vittse 

 solitary, sunk in depressions of the seed, 2-4 on the commissure, which is 

 thickened into a corky ridge in the centre.— A coarse aquatic, found in the 

 East and West Humboldt Mountains, and in Ruby VaUey, Nevada ; 6,000 

 feet altitude ; August, September. (456.) 



Selinum [capitellatum, Benth. & Hook. {Sphenosciadium, Gray. 

 Proc. Amer. Acad., 6. 636.) Much resembhng the last ; stem stouter, 2-5° 

 high ; umbels tomentose ; the pubescent flowers and fruit sessile in globose 

 heads; carpels obovate-cuneate or obscurely obcordate, the narrow base 

 strongly 5-ribbed, the ribs expanding upward into thickish wings, the 

 lateral ones broader. — Collected by Dr. Anderson in the Washoe Mountains, 

 near Carson City, Nevada. 



Angelica Beeweei, Gray. Proc. Amer. Acad., 7. 348. Stout, 3-5° 

 high, glabrous or slightly puberulent ; petioles spathaceously dilated ; leaves 

 3-ternate or 3-quinate ; leaflets broad-lanceolate, sharply toothed, teeth cus- 

 pidate, veinlets reticulated, lateral leaflets sessile, unequal at base and often 

 united ; involucre and involucels none ; flowers white ; fruit 3-44" long, 

 puberulent or glabrous, oblong with thick narrow wings ; the vittse large, 

 those upon the back adherent to grooves in the seed, in the lateral in- 

 tervals sometimes in pairs; seed concave on the face. — On the Sierras of 

 Middle California. Found in the Pah-Ute and East and West Humboldt 

 Mountains, Nevada; 5-8,000 feet altitude ; August, October. (457.) 



Angelica pinnata. Glabrous throughout, or the immature fruit slightly 



' SELINUM, L. Calyx-teeth obsolete or rarely slightly prdminent. Petals ouneate or broad, with 

 a long infolded apex, quasi-em alginate or S-lobed. Stylopodia conical or depressed. Fruit ovoid or 

 rarely ovate-oblong, transversly subterete, slightly compressed dorsally, -vrith a broad commissure ; car- 

 pels semiterete, the primary ribs very prominent, more or less winged, the lateral ones usually broader ; 

 vittee solitary in the intervals, or very rarely with a second one. Carpophore S-parted. — Perennial, 

 branching, glabrous ; leaves pinnately decompound ; iuvolucral bracts none or few and deciduous, of the 

 involucels several) small ; flowers white or rarely greenish-yellow. Benth. & Hook. 



