562 FLORA. 



ones often wanting; racemes elongated, usually leafless; bracts minute; loment 2- 

 5 -jointed, the joints obliquely semi-rhomboid, rounded on the back, uncinate- pubes- 

 cent; stipe often as long as the lowest joint. In sandy soil and pine lands, Va. to 

 Fla., Ala. and La. May-Sept. 



16. Meibomia viridiflora (L.) Kuntze. VELVET-LEAVED TICK-TREFOIL. 

 (I. F. f. 2185.) Erect, downy -pubescent, 6-12 dm. high. Stipules lanceolate, 

 mainly deciduous; petioles 1-4 cm. long; leaflets broadly ovate, rough above, vel- 

 vety-pubescent beneath, 39 cm. long, the terminal one somewhat rhomboid; ra- 

 cemes compound, elongated, uncinate-pubescent; flowers purple, 6-9 mm. long; 

 loment 2-4-jointed, the joints semi-rhomboid, uncinate, about 4 mm. long; stipe 

 about equalling the lower lobes of the calyx. Dry woods, E. Penn. and S. N. Y. 

 to Fla., Mich., Mo. and Tex. Aug. -Oct. 



17. Meibomia Dillenii (Darl.) Kuntze. DILLEN'S TICK-TREFOIL. (I. F. f. 

 2186.) Erect, 6-9 dm. high, pubescent or nearly glabrous. Stipules subulate, 

 mainly deciduous; leaflets usually thin, oval or oblong-ovate, obtuse, 3-10 cm. long, 

 sparingly pubescent or glabrous above, softly pubescent or villous beneath; racemes 

 compound, loose ; bracts small, deciduous; flowers 6-9 mm. long; loment 2-4- 

 jointed, the joints nearly triangular, about 6 mm. long, somewhat convex on the 

 back, uncinate-pubescent. Woods, Me. and Ont. to Minn., Va., Ky., Mo. and 

 Tex. June-Sept. 



1 8. Meibomia Illinoensis (A. Gray) Kuntze. ILLINOIS TICK-TREFOIL. 

 (I. F. f. 2187.) Erect, stout, 6-12 dm. high, uncinate-pubescent. Stipules ovate, 

 acute, cordate, ciliate, pubescent, persistent; leaflets lanceolate or ovate-lanceolate, 

 obtusish, scabrous above, reticulate veined and cinereous beneath, 2.5-9 cm. long; 

 bracts ovate-lanceolate; flowers 6-9 mm. long; loments 1-2.5 cm. long,- often 

 in pairs, 3-6-jointed, the joints oval or orbicular, densely uncinate-pubescent. 

 Prairies, 111. to S. Dak., Iowa and Kans. June-Sept 



19. Meibomia Canadensis (L.) Kuntze. CANADIAN OR SHOWY TICK- 

 TREFOIL. (I. F. f. 2188.) Erect, stout, pubescent, 6-24 dm. high. Stipules 

 linear-lanceolate, mostly persistent; lower petioles 1-2.5 cm - l n g> the upper 

 leaves nearly sessile; leaflets oblong or lanceolate-oblong, obtuse, appressed- 

 pubescent beneath; racemes densely panicled; flowers 11-17 mm - l n g> con - 

 spicuous, purple or bluish-purple; bracts ovate-lanceolate, acute, ciliate; calyx- 

 lobes attenuate; loment about 2.5 cm. long, 3-5 -jointed; joints triangular, straight 

 or convex on back, uncinate pubescent. Thickets and river-banks, N. B. to 

 Manitoba, N. Car., Mo. and the Ind. Terr. July-Sept. 



20. Meibomia rigida (Ell.) Kuntze. RIGID TICK-TREFOIL. (I. F. f. 2189.) 

 Erect, rather rigid, finely uncinate-pubescent, 6-9 dm. high. Stipules small, lan- 

 ceolate, deciduous; leaflets ovate or oval, obtuse, thickish, scabrous above, pubes- 

 cent, especially along the veins beneath, 2.5-5 crru l n g> racemes compound; 

 flowers 2-4 mm. long, purplish; loment joints obliquely ovate, rounded on the 

 back, uncinate-pubescent, about 3 mm. long. In dry soil, N. H. to Fla., Mich., 

 Kans. and La. July-Oct. 



21. Meibomia Marylandica (L.) Kuntze. SMOOTH SMALL-LEAVED TICK- 

 TREFOIL. (I. F. f. 2190.) Erect or ascending, rarely with a few scattered hairs, 

 6-9 dm. high. Stipules subulate; leaves crowded; leaflets 12-25 mm. long, ovate 

 or nearly orbicular, obtuse, glabrous, the lateral often subcordate; racemes pani- 

 cled; corolla purplish, 2-4 mm. long; loment-joints small, obliquely oval or semi- 

 orbicular. In dry soil, Ont. to Mass., Fla., Mich, and La. July-Sept. 



22. Meibomia obtusa (Muhl.) Vail. HAIRY SMALL-LEAVED TICK-TREFOIL. 

 (I. F. f. 2191.) Erect, 6-9 dm. high, pubescent. Stipules subulate, deciduous; 

 leaves crowded; petioles ciliate, shorter than the leaflets; leaflets broadly ovate or 

 oval, obtuse, somewhat coriaceous, more or less pubescent on both sides, ciliate, 

 12-25 mm - l n gl racemes uncinate-pubescent; flowers 2-4 mm. long; loment-joints 

 obliquely oval; stipe not exceeding the calyx-lobes. Dry soil, Ont. to Mass., Fla., 

 Mich, and Tex. July-Oct. 



35. LESPEDEZA Michx. 



Herbs, often somewhat woody, with pinnately 3-foliolate leaves, small stipules, 

 and small purple or whitish flowers in axillary clusters, heads or panicles. 

 Flowers often of 2 kinds intermixed, the one petaliferous and mainly sterile, the 



