Blake — Revision of Polygala 103 
f. Leaves obovate-spatulate................0.0005. 137. P. viridis. 
f aves linear or actanieds g 
g. Capsule 2} eee long as wings .......... 126. P. semialata: 
g ~*~ ule short 
apsule oblong , about twice as long as wide, i. 
aves § analy 2-sulcate “9 a th a eae: 130. P. scoparioides, 
i Leaves not suleate beneat 
j. Capsule 2 mm. long; at mm. long. 132. es: dolichocarpa. 
j. Capsule 2.7-3 mm. long; aril 1.5 mm. lon 
133. P. scoparia. 
h, ne I San tres a suborbicular, not twice as 
ong 
e, k. 
k. Wines about equalling capsule........ 134. P. michoacana. 
k. Wings distinctly longer than ca my 4 
‘i wer sepals ovate, obtusish to ‘acutish, 
as long as capsule...... ...185. P. Salviniana, 
l. Lower sepals lanceolate, acuminate, more 
as long as capsule......... 136. P. oxysepala. 
125. P. prerocarya Chod. Stems slender, diffuse, filiform, 
flexuous, 2 dm. long, thinly puberulent, from a perennial root 
Leaves subspreading, scarcely crowded, lance-linear, acute, apicu- 
late, revolute, thin, 9-12 mm. long, 1-1.8 mm. wide, or smaller. 
Racemes becoming elongate, with sinuate rachis, cylindric-pyra- 
midal, 1.5-2 cm. long, 7-8 mm. thick, rather dense, scarcely comose 
at apex; pedicels 0.6 mm. long. Flowers 3-3.5 mm. long. Sepals 
ovate, the lower acute, less than half as long as the flower. Wings 
exceeding corolla, subspatulate, gradually narrowed to base, shortly 
acute, 3-nerved. Crest of a few rather broad processes. Capsule 
strongly inequilateral, one cell broadly winged, the wing sinuate, 
veiny, the other cell narrower, wingless, broadly rugose. Seed 
curved, sparsely pilose; lobes of aril linear, membranaceous, de- 
scending, 3/4 as long as seed. —Chod. Bot. Jahrb. lii. Beibl. 115. 
83 (1914), as P. pterocaryum. — Based on Seler 1462, San Cristo- 
bal Amoltepec, Oaxaca. — Not seen; description compiled. 
126. P. sem1ataTa Wats. Stems numerous from a fruticulose 
base, erect or lax, branched, very slender, almost filiform, sparsely 
and very minutely incurved-puberulous, 8-21 cm. long. Leaves 
linear, acuminate at both ends, mucronulate, slightly thickened, 
slightly concave above, 1-nerved and convex beneath, glabrous or 
microscopically incurved-puberulous, 4.8-8.5 mm. long, 0.5-1 mm. 
wide, on petioles 0.4 mm. long or less. Racemes terminating stems 
and branches, 15-22-flowered, 3-12.5 cm. long. Flowers whitish, 
purplish-green-veined, 1.5-1.7 mm. long. Upper sepal orbicular, 
the lower oval, round-tipped, greenish, glabrous, 0.6 mm. long. 
