(il Contributions from the Gray Herbarium 



o. Sepals bearing pedicellate glands, d. 

 </. riant (dabrous or nearly so, e. 

 ,. Sepals l .1-1.3 nun. long; wings scarcely reticulate. . .82. P. cubensis. 

 ,. Sepals 2 2.3 mm. long; wings reticulate-venose. . .81. P. bahamensis. 

 d. IMant pubescent,/. 



/. Leaves elliptic, about 1 cm. wide 88. P. Planellasi. 



f. Leaves narrower, a. 



g, Alae broadly orbicular, very strongly veined. . . .84. P. grandiflora. 

 g. Alae obovate to oval, not strongly veined, h. 



h. Alae obovate-spatulate; stems much branched 



from base 86. P. nicaraguensis. 



h. Alae obovate or oval; stems sparsely branched, i. 



i. Leaves linear to lanceolate 85. P. angustifolia. 



i. Leaves ovate-lanceolate 87. P. collina. 



SO. P. Krugii Chod. Annual, simple or branched, glabrous, 3 

 dm. high. Leaves obovate-oblong or oblong-elliptic, obtuse, cune- 

 ate at base, glabrous, 15 mm. long, 4-5 mm. wide, or smaller, 

 short-petioled. Racemes terminal, 2 cm. long or more, loosely 

 flowered. Flowers probably purplish, pendulous, 4 mm. long, on 

 glabrous pedicels 0.5-1.5 mm. long. Sepals elliptic, obtuse, ciliate 

 with eglandular hairs. Wings broadly orbicular, broader than long, 

 not emarginate or angled, glabrous, short-clawed, the nerves anas- 

 tomosing. Upper petals with broadly spatulate rounded limb. 

 Capsule unknown. Monog. ii. 63. t. 15. f. 37-38 (1893). Not 

 seen; based by Chodat on Eggers 4450, from New Providence, 

 Bahamas. 



81. P. bahamensis sp. nov. Annua erecta e radice tenui 2.3- 

 2.9 dm. alta supra sparse vel valde ramosa. Caulis tenuis purpuras- 

 cens hinc inde sparsissime strigillosus ceterum glaber, ramis diver- 

 gentibus vel erectis. Folia media et superiora linearia obtusiuscula 

 vel acutiuscula mucronulata basi acuta paullum revoluta glaber- 

 rima vel juventate sparsissime incurvo-puberula 1-nervia (nerva 

 supra impressa subtus prominente, nervis lateralibus ca. 3-jugis in- 

 conspicuis) 2-3.5 cm. longa 2-4 mm. lata, in petiolis 1 mm. longis; 

 folia inferiora minora ceterum similia. Racemi terminales et 

 quasi extra-axillares 1.5-3 cm. longi 15-18-flori. Flores 3.5-4 mm. 

 longi. Sepala oblongo-ovata obtusa anguste subscarioso-marginata 

 sparse ciliolata et in margine glandulis ca. 5-jugis pedicellatis prae- 

 dita 2-2.3 mm. longa. Alae late orbiculares apice emarginulatae 

 basi abrupte breviterque unguiculatae valde nervosae (nervis ca. 

 5-jugis anastomantibus) 4 mm. longae lataeque, viridescentes pur- 

 pureo-suffusae. Carina 4 mm. longa. Petala superiora cuneato- 

 obovata apice paullulum undulata venosa ad 3 mm. longa. Fructus 



