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; follicles sparingly pubescent, 15- 

 18 mm. long. Mountain meadows: Colo. Alta. Submont. Subalp. Jl-Au. 



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

 resembling those of A. columbianum; flowers like those of A. insigne, but smaller, 

 ochroleucous. A. ochroleucum (A. Nels.) Rvdb. 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 entire divisions; inflorescence 

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

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

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

 Along streams: Ida. 'Utah. Jl-Au. 



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

 divisions oblanceolate to rhombic-oblanceolate in outline, 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 

 oblique, 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 perigynous fleshy disk. Petals 5 or often more numerous. 

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

 sisting of few, coriaceous, many-seeded follicles. 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 rounded, concave, green or purplish; 

 petals 5-6, thick, dull brownish red; disk many-lobed; follicles 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 yellow 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 bractlets. 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 uni- 



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 purplish 

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



