LEGUM1NOS.E. <M 



very leafy, the leaves linear-oblong or oblanceolate. Whitish 

 fertile flowers 011 underground ruimers. Dry soil. 



4. P. paucifo'lia, Willd. (FRINGED P.) Flowers rose-purple, 

 very showy, fringed, only 1-3 in number. Stems 1-4 inches high, 

 from long underground runners, which also bear concealed fertile 

 flowers. Leaves ovate, crowded at the top of the stem. Drji 

 woods. 



5. P. sanguin'ea, L. Flowers usually bright red-purple, but 

 sometimes pale. Corolla inconspicuously crested. Flowers in 

 dense globular heads, at length oblong. True petals mostly shorter 

 than the wings, the latter broadly ovate, closely sessile. Stem 

 leafy to the top ; leaves oblong-linear. Sandy places. 



ORDER XXXL LEGUMINO'SJE. (PULSE FAMILY.) 



Herbs, shrubs, or trees, mostly with compound alternate stipu- 

 late leaves, and papilionaceous corollas. (For description of a 

 typical flower, see Part I., cap. v.) Stamens usually 10, moua- 

 delphous, diadelphous, or distinct. Fruit a legume. 

 Synopsis of the Genera. 

 * Flowers papilionaceous. 



1. Liupi'nus. Leaves palmately-compound, leaflets 7-'J. Flowers in terminal 



racemes. Stamens monadelphous. 



2. Trifo'lium. Leaves of 3 leaflets. Flower sin heads. Stamens diadelphous. 



3. Medica'go. Leaves pinnate, of 3 leaflets. Flowers in axillary spikes. 



Pod carved or coiled. Stamens diadelphous. 



4. Melilo'tus. Leaves pinnate, of 3 leaflets, the leaflets toothed. Flowers in 



slender axillary racemes. Pod wrinkled, 1-2-seeded. Stamens diadel- 

 phous. 



5. Robiii'ia. Trees. Leaves odd-pinnate, often with spines for stipules, and 



the leaflets with small stipules. Flowers in hanging axillary racemes. 

 Pod margined on one edge. Stamens diadelphous. 



6. Astrag'alus. Leaves odd-pinnate, leaflets numerous. Flowers in dense 



axillary spikes. Corolla long and narrow. Pod turgid, one or both 

 sutures (see Part I., section 217) projecting into the cell, thus partially 

 or wholly dividing the cavity. Stamens diadelphous. 



7. Desmo'dium. Leaves pinnate, of 3 leaflets. Calyx 2-lipped. Flowers 



purple or purplish, in axillary or terminal racemes. Pod flat, the lower 

 margin deeply lobed, thus making the pod jointed, roughened with 

 hooked hairs, causing the pods to adhere to the clothing, etc. Stamens 

 diadelphous. 



8. iLespede'za. Leaves pinnate, of 3 leaflets. Calyx 5-cleft. Pod flat, oval 



or roundish, occasionally 2-jointed, but only 1-seeded. Flowers some- 

 times polygamous. Stamens diadelphous. 



