102 Contributions from the Gray Herbarium 
on petioles 0.5 mm. long. Racemes densely flowered, 0.6-3 (axis 
at length 3.8 cm.) long, 1-1.3 em. thick in flower, 5.5-6 mm. in 
fruit, on peduncles 2—3.5 cm. long; pedicels 0.5 mm. long; bracts 
deciduous. Flowers rose-purplish, 7 mm. long. Upper sepal ob- 
long-ovate, rounded to apex, broadly pinkish-bordered, serrulate on 
margin, 2.5 mm. long; lower lanceolate, subacuminate to the acute 
apex, serrulate, 2mm. long. Wings iimscbling somewhat undu- 
late-convolute on margin, slightly tapering at apex to an obtuse 
point or submucronulate, green-centered, pinkish-margined, not 
clawed, 3 mm. long, 0.6 mm. wide. Keel 7 mm. long, united with 
the staminal tube and upper petals into a trough 5 mm. long; crest 
of about 8 pairs of lobes, the posterior triangular-lanceolate, the 2 
anterior longer, lanceolate, variously 2—3-lobed or cleft. Upper 
petals 6.7 mm. long, the free portion obovate-oval, erose at the 
truncate apex. Capsule suborbicular-ovate, cordate at base, barely 
stipitate, emarginate at apex, 2.4 mm long, 2 mm. wide. Seed 
plump, pilose, 2.2 mm. long. Aril 1.1 mm. long, membranaceous- 
cellular, erect. — L. Sp. ii. 701 (1753); Chod. Monog. ii. 189. t 
22. f. 16-18 (1893); Rob. in Gray, Syn. Fl. i. pt. 1. 455 (1897). P. 
microphylla A. W. Benn.! (sphalm.) in Hemsl. Diag. Pl. Nov. i. 2 
(1878). P. microptera A. W. Benn.! Journ. Bot. xvii. 143 (1879). — 
Vera Cruz: Jalapa, Galeotti 7096 (coTypE cou. of P. microphylla 
and P. microptera: K); savannas, Mirador, 1838, Linden 74 (co- 
TYPE COLL. of P. microphylla and P. microptera: K); dry meadows, 
Zacuapan, Aug. 1906, Purpus '2072 (BG). —T. 2. Fie. 78.— 
Also in the United States. 
Sect. 2. Monninopsis Gray. Capsule 2-celled, the upper cell 
dehiscent between the narrow or rather broad wings, its seed aril- 
late; lower cell usually indehiscent, wingless, its seed generally 
exarillate. — Gray, Pl. Wright. ii. 31 (1853). Polygala sect. Ortho- 
polygala subsect. II. Chod. Monog. ii. 281 (1893). — Type species 
P. hemipterocarpa Gray. 
a, es cell of capsule broadly rugose.............. 125. P. plerocarya. 
a. Wingless cell not rugose, b. 
He ROWE We isa ce es ee ae. 131. P. microloncha. 
b. Flowers white (the veins oie purplish), c. 
fc. wers 3.5-5 mm. lon , 
d. Stems finely incurv Pedr weeeees 129. P. Watsont. 
d. Stems glabrous, e. 
e. Capsule exceeding win a aad oe 127. P. hemipterocarpa. 
e. Capsule shorter than wings i eenarar oe Saran 128. P. macroloncha. 
c. Flowers 1.5-3.5 mm. long, f. 
