CROWFOOT FAMILY 315 



8. A. insigne Greene. Stem 6-10 dm. high; leaf-blades 1-1.5 dm. broad, 

 sparingly pubescent, divided into about 5 divisions, which usually are narrower, 

 more deeply cut, more long-acuminate than in the preceding; sepals dark blue, 

 rather long-pubescent; hood about 2 cm. long; folhcles sparingly pubescent, IS- 

 IS mm. long. Moimtain meadows: Colo.— Alta. Submont.—Subalp. Jl-Au. 



9. A. lutescens A. Nels. Stem 4-8 dm. high; leaf -blades 5-10 cm. broad, 

 resembhng those of A. columhianum; flowers like those of A. insigne, but smaller, 

 ochroleucous. A. ochroleucum (A. Nels.) Rydb. Along mountain streams: 

 N.M.— Mont.— Ida. Mont. Jl. 



10. A. patens Rydb. Stem 1.5 m. or more high; leaf-blades glabrous, 

 those of the upper leaves divided into 3-5 lanceolate entu-e divisions; inflorescence 

 much branched, with slender pedicels; sepals hght blue, glabrous; hood about 2 

 cm. long, narrow, straight, with a rounded apex; beak porrect, 6-8 mm. long; 

 lateral petals obUquely broadly obovate; lower ones oblong, usually very obtuse. 

 Along streams: Ida. — -Utah. Jl-Au. 



11. A. glaberrimum Rydb. Stem ahnost 1 m. high; leaves 5-divided, thin, 

 divisions oblanceolate to rhombic-oblanceolate in outhne, 5-10 cm. long, irregu- 

 larly doubly cleft above; inflorescence compound; branches and pedicels spread- 

 ing or divergent, glabrous; flowers blue; lower sepals lanceolate; lateral ones very 

 obhque, as broad as long, rounded; hood about 2 cm. long, deeply saccate, 

 elongate helmet-shaped; beak long-attenuate, very porrect or even ascending. 

 Along streams: Utah — -Ariz. 



23. PAEONIA L. Paeony. 



Perennial herbs, with fascicled fleshy roots. Leaves ternately compound or 

 dissected. Flowers perfect, regular. Sepals mostly 5. Receptacle somewhat 

 concave, bearing a perigj-nous fleshy disk. Petals 5 or often more numerous. 

 Stamens numerous, perigj-nous. Pistils few; styles short or none. Fruit con- 

 sisting of few, coriaceous, many-seeded foUicles. Seeds anatropous, with the 

 seed-coat fleshy externally. 



1. P. Brownii Dougl. Low glabrous and usually glaucous perennial; stem 

 2-4 dm. high; leaves ternately or biternately divided, the divisions parted and 

 cleft into oblong or oblanceolate lobes; sepals roimded, concave, green or purpUsh; 

 petals 5-6, thick, dull brownish red; disk manj'-lobed; folhcles 3-5, oblong, gla- 

 brous, about 2 cm. long and 1 cm. broad. Dry ground: Calif.— B.C. — Ida. — 

 Utah. Submont. — Mont. Ap-Jl. 



Family 49. BERBERIDACEAE. Barberry Family. 



Shrubs, with j^ellow wood and inner bark. Leaves alternate, leathery, 

 pinnately compound or simple, usually spinose-toothed. Flowers small, 

 yellow, racemose or paniculate. Sepals 6, in two series, subtended by 2 or 

 3 bractletst Petals 6, in two series, imbricate, with glands near their bases. 

 Stamens 6; anthers opening by 2 valves. Ovary 1-celled; stigmas peltate; 

 ovules few, erect or ascending. Fruit a few-seeded berry, in one species 

 rather dry. Endosperm present. 



Primary leaves reduced to spines; secondary ones fascicled in their axils, simple or unl- 



foliolate. 1. Berberis. 



Primary leaves pinnately compound, evergreen, no secondary ones in their axils. 



2. Odostemon. 



1. BERBERIS (Tourn.) L. Barberry. 



Spiny shrubs. Primary leaves transformed into simple or triple spines; 

 secondary leaves fascicled in their axils, unifoliolate or apparently simple, in 

 ours deciduous. Racemes drooping, simple. Filaments toothless. Berries 

 red, without a bloom, acid, edible. 



1. B. Fendleri A. Gray. A shrub, 1-2 m. high, with shining purphsh 

 branches; spines weak, 8-15 mm. long; leaves short-petioled; blades spatulate 



