FABACEAE 637 



reticulated, glabrous : racemes narrow, rough-glandular, elongated ; calyx short-pedicelled : 

 lobes acute, the upper lip 2-toothed : corolla purplish, about 3 mm. broad : loment 

 1-3-jointed, mostly straight or somewhat concave on the back, the joints 4-5 mm. long, 

 half-obovate, or half-rhomboid, uncinate-pubescent, the stipe as long as the calyx-lobes. 

 In pine lands and woods, New Jersey to Missouri, Florida and Louisiana. Summer and fall. 



10. Meibomia tenuifoiia (T. & G. ) Kuntze. Foliage nearly glabrous, at least 

 below. Stems lax, 2-6 dm. long, striate, rough with hooked hairs : leaves distant ; 

 stipules subulate, mostly caducous ; petioles 0.5-2 cm. long ; leaflets 3, the blades linear, 

 3-8 cm. long, obtuse, glabrous above, reticulated and pubescent with hooked hairs beneath : 

 panicle lax : calyx-lobes subulate, the upper lip minutely 2-toothed : corolla pinkish 

 purple, 3-5 mm. long : loment 2-3-jointed on a short diverging pedicel, the joints 3-5 mm. 

 long, mostly rounded on the dorsal and obliquely-obovate on the ventral suture, minutely 

 pubescent with hooked hairs, the stipe shorter than the calyx-lobes or about the same length. 



In pine lands, North Carolina to Florida and Louisiana. Summer and fall. 



11. Meibomia canesceiis (L. ) Kuntze. Foliage pale green, pubescent all over. 

 Stems erect, 6-10 dm. tall or taller, branched, clothed with a close-set hooked hairs and 

 often also with longer spreading hairs or sometimes glabrate below : leaves conspicuous ; 

 stipules 8-15 mm. long, ovate, cordate, cuspidate, striate, ciliate, persistent, spreading or 

 renexed ; petioles 3-10 mm. long or longer ; leaflets 3, the blades 3-10 cm. long, broadly 

 ovate or ovate-rhomboid, rough on both surfaces, ciliate, pale and reticulated beneath, 

 the terminal one the larger, sometimes truncate at the base : racemes panicled, the branches 

 widely spreading : bracts caducous : pedicels spreading : calyx ciliate, the upper lip 2- 

 toothed, the middle tooth of the lower lip longer and attenuate : corolla violet-purple, 1 

 cm. long or longer : loment 4-6-jointed, straight or somewhat concave on the dorsal or 

 nearly equally sinuate on both sides, the joints 8-15 mm. long, pubescent with hooked 

 hairs, varying from nearly triangular or half-rhomboid to obliquely oval, the stipe as. 

 long as the upper calyx-lobes. 



In moist ground and on borders of woods, Canada to Minnesota, Nebraska, Florida and Texas. 

 Summer and fall. 



12. Meibomia Lindheimeri Vail. Foliage bright green. Stem erect, 6 dm. high 

 or more, branched, stout, conspicuously angled and channeled, downy with a close fine 

 pubescence : stipules lanceolate, cuspidate, 6-8 mm. long, pubescent, reflexed, persistent 

 or caducous : petioles 2-5 cm. long or more : leaflets 3, the blades scabrous or minutely pu- 

 bescent above, reticulated, velvety or villous-pubescent and the nerves conspicuous beneath, 

 ovate or ovate-lanceolate, 2.5-8 cm. long, the terminal leaflet mostly somewhat rhombic, 

 truncate at base and acutish, the others inequilateral, smaller and more obtuse : racemes 

 panicled, the branches spreading : bracts ovate-lanceolate, cuspidate, caducous : calyx- 

 lobes acute, nearly equal : corolla purple, 5-8 mm. long : loment 2-4 cm. long or more, 4-6- 

 jointed, the joints obliquely oval, about 1 cm. long, glabrous except the sutures, the stipe 

 2 mm. long or less. 



On prairies, Texas and Mexico. Summer and fall. 



13. Meibomia Tweedy! (Britton) Vail. Foliage finely pubescent. Stems stout, 

 erect or ascending, 9 dm. long or longer, angled and channeled, minutely pubescent : stip- 

 ules 10-15 cm. long, ovate, attenuate, ciliate, persistent : petioles 7-10 cm. long or 

 more, the terminal petiolule 1.5-4 cm. long ; leaflets 3, the blades 7-10 cm. long, ovate, 

 truncate, obtuse, mucronulate, yellowish green, glabrate or scabrous above, scabrous and 

 strongly reticulated beneath : racemes panicled, apparently naked, 3-4 dm. long or more : 

 flowers few: pedicels spreading, 1-2.5 cm. long: bracts lanceolate, attenuate, 4-6 mm. 

 long, caducous: calyx-lobes acute: corolla ochroleucous or yellow, 8mm. long: loment 

 2-3- or 4-jointed, the joints 8-10 cm. long, half-rhomboid, straightish or somewhat rounded 

 on the dorsal suture, minutely pubescent with hooked hairs, the stipe not exceeding the calyx. 



On prairies, Texas. Summer. 



14. Meibomia longifolia (T. & G.) Vail. Stems stout, erect, 6 dm. high or 

 higher, branched, angled, striate, pubescent in lines, sometimes glabrate : leaves large ; 

 stipules ovate-lanceolate, cuspidate, persistent, caducous ; petioles 1.5-5 cm. long, striate, 

 pubescent ; stipules 5 mm. long, often conspicuous and persisting ; leaflets 3, the blades 5-11 

 cm. long, 2.5-5 cm. broad, the blades lanceolate or lanceolate-ovate, or ovate, acuminate, 

 slightly rugose or scabrous with scattered hairs and becoming glabrate above, much lighter 

 and appressed-pubescent beneath, the terminal leaflet usually much larger than the lateral 

 ones : panicles spreading : flowers numerous : pedicels slender, spreading, pubescent : bracts 

 striate, 5-10 mm. long, ovate or ovate-lanceolate, ciliate, caducous : calyx-lobes attenu- 

 ated, the upper lip 2-toothed, the other lobes longer : corolla lilac-purple, about 1 cm. 

 long : loment 4-6-jointed, 3.5-6 cm', long, pubescent with hooked hairs, straight or 

 somewhat rounded on the dorsal, and deeply triangular on the ventral suture, or nearly 



