

CARROT FAMILY 633 



more or less conspicuous, or wanting; bractlets numerous, elongate, narrow. 

 Calyx-teeth obsolete. Stylopodium slightly conic. Fruit oblong, dorsally 

 flattened, glabrous. Dorsal and intermediate ribs prominent, sometimes nar- 

 rowly winged, the lateral ones broadly winged and thick. Oil-tubes usually 

 solitary in the dorsal intervals, 1-several in the lateral ones, and 2-8 on the com- 

 missural side. Seed-face plane or slightly concave. 



Fruit fully 6 mm. long; oil-tubes 1 or 2 in each interval. 1. C. scopulorum. 



Fruit about 5 mm. long; oil-tubes 25 in each interval. 2. C. color adense. 



1. C. scopulorum (A. Gray) Coult. & Rose. Stem 6-10 dm. high, gla- 

 brous; leaves twice or thrice ternate and then once or twice pinnate; leaflets 

 ovate, pinnately cleft into oblong divisions; bractlets several, linear, elongate; 

 fruit elliptic or oval, about 6 mm. long. Mountain woods: Colo. N.M. Ariz. 

 Ore. Mont.Subalp. Jl-Au. 



2. C. coloradense Osterhout. Stem 5-6 dm. high; lower leaves biternate 

 and the upper ternate, then pinnate; segments narrowly ovate, cleft; bracts and 

 bractlets few, subulate, scarious; fruit broadly oval, 5 mm. long. Mountain 

 woods: Colo. Wyo. Mont. Subalp. Jl-Au. 



40. OXYPOLIS Raf. 



Smooth, erect, swamp plants, with fascicled tubers. Leaves simply pinnate, 

 or ternate, or reduced to phyllodia. Flowers white. Bract few or none; bract- 

 lets numerous, small, or wanting. Calyx-teeth evident. Stylopodium short, 

 thick, conic. Fruit flattened laterally, ovate to obovate, glabrous. Dorsal 

 and intermediate ribs filiform; wings of the lateral ribs closely continuous to 

 those of the other carpel. Oil-tubes solitary in the intervals, 2-6 on the com- 

 missural side. Seed-face plane. [Tiedemannia DC.] 



1. O. Fendleri (A. Gray) Heller. Stem simple, 3-6 dm. high; leaves pin- 

 ate; leaflets 5-9, ovate or oblong, or those of the upper leaves linear-lanceolate, 

 3-5 cm. long, coarsely serrate; bracts and bractlets none; fruit ovoid, scarcely 

 4 mm. long; wings thick, about half as broad as the body. T. Fendleri A. Gray. 

 Wet creek-banks in the mountains: Wyo. N.M. Mont. Subalp. Je-Au. 



FAMILY 94. ARALIACEAE. GINSENG FAMILY. 



Aromatic herbs, shrubs, or trees. Leaves alternate or whorled, simple 

 or compound. Flowers inconspicuous, variously disposed, the ultimate 

 divisions of the inflorescence usually umbellate, perfect or polygamous, 

 regular. Sepals 5, often minute. Petals 5 or 10, valvate, or imbricate, 

 inserted in the margin of an epigynous disk. Stamens 5 or 10, alternate 

 with the petals; filaments short, distinct; anthers introrse. Gynoecium of 

 2-5 united carpels; ovary 2-5-celled; styles usually as many; stigmas simple. 

 Ovules solitary in each cavity, anatropous. Fruit a berry or a drupe. Endo- 

 sperm copious, fleshy. Embryo straight. 



Petals imbricate; drupe 5-celled; leaves pinnately or ternately compound; ours unarmed 

 herbs. 1. ARALIA. 



Petals valvate in the buds; drupe 2- or 3-celled; leaves simple, palmately lobed; prickly 

 shrubs. 2. ECHINOPANAX. 



1. ARALIA (Tourn.) L. SARSAPARILLA, SPIKENARD, WILD GINSENG. 



Perennial herbs (ours), or shrubs or trees. Leaves alternate, petioled, pin- 

 nately or ternately compound, with toothed leaflets. Flowers perfect or polyga- 

 mous, in racemose or paniculate umbels, or in compound umbels. Sepals 5, often 

 obsolete. Petals 5, imbricate, with obtuse or inflexed tips. Stamens 5; filaments 

 incurved. Ovary 5-celled; styles 5, spreading. Drupe 5-lobed, 5-celled, black, 

 fleshy. Seeds flattened. 



1. A. nudicaulis L. Acaulescent perennial herb, with a long rootstock; 

 eaves ternate, long-petioled; primary divisions pinnately 3-5-foliolate; leaflets 



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