32 Contributions from the Gray Herbarium 
violacei. Sepala lanceolata acuminata sparse patenti-pilosula 2.8 
mm. longa. Alae ovales basi breviter unguiculatae ciliolatae medio 
dorsi sparsissime puberulae 4.8-5 mm. longae 3 mm. latae. Carina 
5 mm. longa. Petala superiora obovata 4 mm. longa. Capsula 
oblongo-elliptica apicem versus paullulum angustata emarginata 
subsparse et brevissime patenti-puberula et ciliolata 10 mm. longa 
6.5 mm. lata. Semen 4.7 mm. longum pilosum. Arillus 2.4 mm. 
altus palliiformis margine lato scarioso lobulato in lobos laterales et 
dorsalem non diviso. — Arizona: foothills of the Santa Rita Mts., 
April—July 1884, Pringle p. p. (Type: K). 
33. P. oaxacana Chod. Stems few, woody at base, from a 
woody root, simple or slightly branched at base, barely puberulous 
above, about 2 dm. long. Leaves linear, acute at base and apex, 
mucronate, glabrescent, the larger 26-35 mm. long, 2.5-3 mm. 
broad. Racemes 3-5-flowered, 3 cm. long, the rachis curved; pedi- 
cels 44.5 mm. long. Flowers 6-7 mm. long. Sepals lanceolate, 
ciliate, many-nerved, the upper 1/3 longer. Keel somewhat 3- 
lobed, the limb noticeably shorter than the claw. Wings elliptic, 
slightly oblique at base, short-clawed, ciliate, reticulate-nerved, a 
little longer than broad. Upper petals sublinear, somewhat con- 
stricted above the middle, subacute. Filaments long-hirsute. 
Ovary obovate, shortly and densely pilose. —Chod. Bot. Jahrb. li. 
Beibl. 115. 73 (193), as P. oaxacanum. — Based by Chodat on 
Seler 86, from San Juan del Estado, Etla, Oaxaca. Not seen; de- 
scription compiled. 
34. P. Lozant Rose. E basi fruticulosa pluricaulis caulibus 
infra ramosis ad 1 dm. altis ut ramis curvato-adscendentibus sub- 
canescentibus pilis densis incurvis. Folia caulina inferiora ovalia 
mucronata utrimque rotundata subsparse incurvo-pubescentia 11 
mm. longa 6 mm. lata vel minora, superiora oblonga vel anguste 
oblonga mucronata utrimque acutiuscula 10-13 mm. longa 1.8-3.5 
mm. lata, ea ramorum similia sed minora. Racemi breves 1-1.5 
em. longi 3-4-flori. Flores luteo-viridescentes. Bracteae minutae 
subulatae persistentes. Sepala lanceolata acuminata incurvo-pu- 
berula 3-3.5 mm. longa, superius longius subpersistens. Alae ovales 
abrupte acutae basi cuneatae ad apicem sparse incurvo-puberulae 
5-5.5 mm. longae 2.5-3.5 mm. latae. Carina alas subaequans. 
Capsula ovalis vallecula angusta juventate subsparse incurvo- 
pubescens maturitate ciliolata in lateribus sparsissime pubescens 
