UMBELLIFERAE (PARSNIP FAMILY) 355 



solete. Fruit oblong, dorsally flattened, glabrous. Carpel with prominent 

 dorsal and intermediate ribs (sometimes narrowly winged), and the laterals 

 broadly winged and thickish; stylopodium slightly conical ; oil-tubes usually 

 solitary in the dorsal intervals, 1 to several in the lateral, 2-8 on the commis- 

 sural side. Seed with plane or slightly concave face. 



1. Conioselinum scopulorum (Gray) C. & R. Contrib. Nat. Herb. 7: 151. 

 1900. Nearly simple, 6-9 dm. high, more or less leafy, with puberulent in- 

 florescence: lower leaves often very large, twice to thrice ternate, then once or 

 twice pinnate; leaflets (sometimes small) laeiniately pinnatifid; upper leaves 

 often ternate-pinnate or simply pinnately compound: umbel of numerous 

 rays, with involucels of several narrowly linear elongated bractlets; rays 

 (fruiting) 5-7.5 cm. long; pedicels 12 mm. long: fruit about 6 mm. long; oil- 

 tubes usually 1 in the dorsal intervals and 2 in the lateral, 2-4 on the com- 

 missural side. Ligusticum scopulorum. From New Mexico through our range 

 to Oregon. 



17. ANGELICA L. 



Stout perennials, with ternate-pinnate (rarely simply pinnate) compound 

 leaves, scanty involucre or none, involucels of small bractlets or none, and 

 large umbels of white flowers (greenish-yellow or purplish in two or three 

 species). Calyx-teeth mostly obsolete. Fruit flattened dorsally, ovate or 

 oblong, glabrous or pubescent, with prominent crenulate disk. Carpel with 

 strong ribs, each with a group of strengthening cells; laterals usually broadly 

 winged, distinct from those of the other carpel, forming a double-winged 

 margin to the fruit; stylopodium conical; oil-tubes 1-several in the intervals 

 or indefinite, 2-10 on the commissural side. Seed face plane or somewhat 

 concave. 



Oil-tubes solitary in all the intervals. 

 Leaves once or twice pinnate. 



Involucels of conspicuous bractlets 1. A. Grayi. 



Involucels none . . ........ 2. A. pinnata. 



Leaves ternate, then pinnate. 



Fruit glabrous; flowers white 3. A. Lyallii. 



Fruit scabrous or hirsute. 



Flowers greenish or purplish . . , . . . . 4. A. Roseana. 



Flowers white . . . . . . . . . . 5. A. dilatata. 



Oil-tubes numerous and contiguous about the seed; plant tall, stout, and 



widely branched . . . . . . . . . . G. A. ampla. 



1. Angelica Grayi C. & R. Contrib. Nat. Herb. 7: 154. 1900. Usually very 

 stout, 3-6 dm. high, glabrous except the more or less scabrous inflorescence, 

 leaf-margins, and veinlets (beneath) : leaves once or twice pinnate, with much- 

 dilated petioles; leaflets oblong to ovate, 2.5 cm. long, acute, toothed (some- 

 times laeiniately toothed or lobed): umbel with involucels of conspicuous, 

 lanceolate-ovate, long-acuminate bractlets; rays 2.5-3.5 cm. long; pedicels 

 2-4 mm. long: fruit oblong, smooth, 4-5 mm. long, with prominent thin wings, 

 the laterals decidedly broadest: seed face dorsally sulcate. High mountains 

 of Colorado and southern Wyoming. 



2. Angelica pinnata Wats. Bot. King's Rep. 126. 1871. Glabrous, 6-9 dm. 

 high: leaves simply pinnate, with 2-4 pairs of ovate to narrowly lanceolate, 

 sharply serrate to entire leaflets (lowest pair sometimes pinnate): umbels 

 10-20-rayed, with neither involucre nor involucels; rays 5-10 cm. long; ped- 

 icels 4 mm. long; flowers greenish-yellow or dull purple: stylopodium slightly 

 conical; fruit oblong, glabrous (at maturity), 4-6 mm. long; dorsal and inter- 

 mediate ribs thick and prominent; laterals with wings hardly as broad as 

 body. Extending from New Mexico to Utah and Montana. 



3. Angelica Lyallii Wats. Proc. Am. Acad. 17: 374. 1882. Glabrous except 

 the sometimes puberulent inflorescence, stout, 6-15 dm. high: leaves ternate 

 then once or twice pinnate, the uppermost reduced to large inflated petioles; 

 leaflets extremely variable in size, ovate to lanceolate, rather acute, serrate 

 or dentate: umbel many-rayed, with neither involucre nor involucels; rays 



