Blake — Revision of Polygala 21 
pilosulous, 5 mm. long, 4.2 mm. wide. Seed 3.5 mm. long. Aril 
minute, 0.5 mm. long, with obsolescent barely lobulate scarious 
margin and large pubescent umbo. — P. puberula Gray var. ovalis 
Rob. & Greenm.! Proc. Am. Acad. xxix. 382 (1894); not P. ovalis 
E. Mey. in Drége, Zwei Pfl. Doc. (Flora xxvi. Beig.) 45, 212 (1843), 
nomen, — JALIsco: damp hollows of hills near Guadalajara, 18 
July 1893, Pringle 4472 (TypE cotu.: BGK). —T. 1. Fia. 9. 
The date of collection of the type collection was originally re- 
corded as 22 May, and is given on the labels as 17 July, but Prof. 
G. P. Burns, who has kindly consulted for me the Pringle field 
books, writes that the correct date is 18 July. 
18. P. Xantr Gray. Similar in habit to P. buzifolia, the 
branches procumbent or erectish, about 13 em. long, densely pu- 
bescent with spreading-incurved hairs. Leaves oval, rounded at 
apex and base, with 1-2 pairs of lateral nerves, not reticulate, 
densely pubescent both sides with short incurved-spreading hairs, 
9-13 mm. long, 5-8.5 mm. wide, on petioles 1 mm. long. Racemes 
1.8-3 cm. long. Flowers “‘ white, tinged with yellow and purple,” 
6-6.5 mm. long. Wings venose, somewhat rhombic-oval, rounded 
at apex, pilose except near margin with short incurved-spreading 
hairs, 5.5 mm. long. Capsule elliptic-ovate, notched at apex, 
rounded at base, densely pubescent like stem, 7 mm. long, 4.3 mm. 
wide, on a distinct stipe about 0.8 mm. long. Seed not seen. — 
Gray! Proc. Am. Acad. v. 153 (1861-62); P. Xanthi Chod. 
Monog. ii. 18. t. 15. f. 48-45. (1893).— Lowr Catirornia: Cape 
San Lucas, 1859-60, Xantus 3 (Type cott.: GK). — Brandegee 21, 
Todos Santos, 21 Jan. 1890, distributed as P. Xanii is not this 
species, but the material in the Gray Herbarium is too imperfect 
for determination. 
19. P. serpens, sp. nov. Suffruticulosa multicaulis. Caules 
procumbentes plus minusve flexuosi ramosi 8-30 cm. longi tenues 
subdense incurvo-puberuli. Folia ovata acuminata basi rotundata 
tenuia nervis lateralibus 3-4-jugis non reticulatis supra obscure 
viridia subsparse pubescentia pt Spat whed 35 incurvo-patentibus 
subtus vix pallidiora subd I I 
bus intermixtis 1.5-2.8 cm. longa 8-13 mm. lata, in petiolis i ineurvo- 
puberulis 1-1.5 mm. longis. Racemi subflexuosi laxiflori 2-2.5 cm. 
longi. Flores 5-12 ut videtur ochroleuci. Sepala lanceolata acu- 
minata ciliolata et sparse puberula plus minusve curvata 2.6 mm. 
