24 Contributions from the Gray Herbarium 
The species, if really Mexican, may perhaps belong in the Ovati- 
foliae but is placed in this series on account of Chodat’s descrip- 
tion of the leaves as ‘“‘ irregularia et diversa.”’ 
21. P. Conzarru Rose. Slender, up to 4 dm. high or more, 
clothed with short crisp hairs. Leaves shortly oblong, obtuse, nar- 
rowed into a distinct petiole, sparsely pubescent, 2 cm. long or less. 
Raceme elongate, slender; bracts ovate, puberulent on back, per- 
sistent; pedicels 3-4 mm. long. Flowers pinkish. Sepals glabrous, 
the upper one persistent. Fruit orbicular, or sometimes broader 
than long, retuse, at first densely pubescent, soon glabrate, 3-4 mm. 
broad. — Rose, Contr. U. 8. Nat. Herb. xiii. 307 (1911). — ‘‘ Type 
. collected by C. Conzatti on Cerro San Antonio, Oaxaca, Mexi- 
co, October 28, 1908 (no. 1587).’”’ — Not seen; description com- 
piled. The place of this species in the section cannot satisfactorily 
be made out from its description. 
22. P. MAGDALENAE Brandegee. Stems “ prostrate,’ sparsely 
branched, 1-3 dm. long, like the inflorescence griseous-puberulous 
with incurved hairs. Lowest leaves oval-oblong, obtuse, short- 
petioled, rather densely puberulous with incurved hairs, 7 mm. long, 
4 mm. wide; middle and upper oblong or oblong-ovate to linear, 
acutish, mucronulate, cuneate or acute at base, with 1-3 pairs of 
lateral nerves, not reticulate, rather densely puberulous with in- 
curved hairs, 1.2-2 em. long, 2-8 mm. wide, on petioles 1 mm. long. 
Racemes loosely flowered, 4-10.5 cm. long. Flowers ochroleucous. 
Sepals lanceolate, acute, pilosulous with somewhat incurved hairs, 
2 mm. long. Wings narrowly obovate-oval, obtuse, puberulous 
above, 4.5 mm. long, 2.8 mm. wide. Keel 3.5-4 mm. long. Upper 
petals obliquely oblong, nearly glabrous, apparently violet-tinged, 
3mm. long. Capsule elliptic, with nearly closed apical sinus, more 
or less densely appressed-puberulous, 7.5-9.5 mm. long, 6-7 mm. 
wide. Seed wedge-obovoid, pilose, 4 mm. long. Aril minute, 0.7 
mm. long, with pubescent umbo and very narrow barely crenate 
scarious margin. — Brandeg. Univ. Calif. Pub. Bot. iv. 182 (1911). 
— Lower Catirornia: sunny hills, San José del Cabo, Jan.—Mar. 
1901, Purpus 391 (K). 
23. P. LEPTosPERMA Chod. Stem suffrutescent at base, sparsely 
branched, 12 em. long, hirsute-tomentose above. Leaves lanceo- 
late to lance-linear, acute, subtomentose-velutinous, 1.5-2.2 em. 
long, 7-9 mm. wide. Racemes terminal, rather loosely flowered. 
