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 tenuifdiia (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 
urple, 3-5 mm. long : loment 2-3-jointed on a short diverging pedicel, the joints 3-5 mm. 
ong, mostly rounded on the dorsal and obliquely-obovate on the ventral suture, minutely 
pubescent with hooked hairs, the stipe shorter than the calyx-lobes orabout the same length. 
In pine lands, North Carolina to Florida and Louisiana. Summer and fall. 
11. Meibomia canéscens (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 
reflexed ; 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 
airs, 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 em. long or more: leaflets 3, the blades scabrous or minutely pu- 
escent 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 
Paced, 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 Twetdyi (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 
qrongly reticulated beneath : racemes panicled, apparently naked, 3-4 dm. long or more : 
jefea few : pedicels spreading, 1-2.5 cm. long: Stra lanceolate, attenuate, 4-6 mm. 
ong, caducous : calyx-lobes acute : corolla ochroleucous or yellow, 8 mm. long: loment 
3- or 4-jointed, the joints 8-10 em. 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. 
hi p Meibomia longifdlia (T. & G.) Vail Stems stout, erect, 6 dm. high or 
stil in branched, angled, striate, pubescent in lines, sometimes glabrate : leaves large; 
es ovate-lanceolate, cuspidate, persistent, caducous ; petioles 1.5-5 cm. long, striate, 
m Mot; stipules 5 mm. long, often conspicuous and persisting ; leaflets 3, the blades 5-11 
diche 2.5-5 cm. broad, the blades lanceolate or lanceolate-ovate, or ovate, acuminate, 
p tly rugose or scabrous with scattered hairs and becoming glabrate above, much lighter 
di Appressed-pubescent beneath, the terminal leaflet usually much larger than the lateral 
sitet panicles spreading : flowers numerous : pedicels slender, spreading, pubescent : bracts 
atad Hn 9-10 mm. long, ovate or ovate-lanceolate, ciliate, caducous : calyx-lobes attenu- 
lone: puer lip _2-toothed, the other lobes longer: corolla lilac-purple, about 1 cm. 
a &: loment 4—6-jointed, 3.5-6 cm. long, pubescent with hooked hairs, straight or 
mewhat rounded on the dorsal, and deeply triangular on the ventral suture, or nearly 
