Part 5, 1924] POLYGALACEAE 333 



apex; keel 7 mm. long; capsule (immature) oval, rather densely spreading-pilosulous, 8 mm. 

 long; seed (quite immature) glabrous (unique among the species of the group in this regard), 

 2.2 mm. long; aril 1.1 mm. high, cloak-like, closely investing the seed, subentire, with short 

 but distinct horizontal dorsal lobe, the sides membranous-scarious, unlobed. 



Type locality: Coban, Guatemala, altitude 1340 meters. 

 Distribution: Known only from the type locality. 



67. Polygala Durandi Chod. Bull. Soc. Bot. 



Belg. 30 1 : 300. 1891. 



Polygala Durandi crassifolia Chod. Bull. Soc. Bot. Belg. 30 1 : 301. 1891. 



Suffruticulose, erectish, about 3.5 dm. high, densely pubescent with short incurved hairs 

 mixed especially toward base of stem with long spreading ones ; leaves ovate to ovate-lanceo- 

 late, 1.7-4.5 cm. long, 9-16 mm. wide, acute to acuminate, or the lower oval and obtuse, sub- 

 chartaceous, somewhat reticulate, pubescent with short incurved and long spreading or ascend- 

 ing hairs; racemes 4-5 cm. long; flowers apparently ochroleucous ; sepals lanceolate, acute, 

 2-2.8 mm. long; wings oblong, 6 mm. long, 2.5 mm. wide, rounded, sparsely ciliolate, sub- 

 sparsely appressed-puberulous along costa and toward apex; keel 6 mm. long; capsule oval, 

 pubescent, 9-10 mm. long; seed 5.2 mm. long; aril 3.2 mm. high, scarious, pilose especially 

 at apex, somewhat umbrella-shaped, the ventral edge vertically descending, the dorsal straight, 

 erected at an angle of about 45°, the margin subentire or very indistinctly crenate. 



Typr locality: Pastures near La Uruca, Costa Rica. 



Distribution: Guatemala and Costa Rica. 



Illustration: Mem. Soc. Phys. Geneve 31(2) 2 : pi. 14, f. 13-16. 



68. Polygala biformipilis Blake, Contr. Gray 



Herb. 47: 52. 1916. 



Stems several, branching, suffruticulose below, erect, 3.5-6 cm. high, densely and softly 

 pubescent with shorter incurved and numerous long straight wide-spreading hairs; leaves 

 ovate or oblong-ovate, 3-5 cm. long, 1.1-2 cm. wide, acuminate, cuspidulate, rounded at base, 

 venose, pubescent like the stem; racemes dense, 3.5-7 cm. long; pedicels 2-2.5 mm. long; 

 flowers purplish; sepals ovate or oblong-ovate, acuminate, about 3.7 mm. long; wings oblong- 

 oval, 8.7 mm. long, 4.7 mm. wide, rounded, not unguiculate, sparsely puberulous at apex and 

 base, sparsely ciliolate at apex; keel 7 mm. long; capsule oval, ciliate and densely incurved- 

 spreading-pilosulous, 8 mm. long; seed 4.1 mm. long; aril 2.5 mm. high, the small umbo 

 densely pilose, the broad scarious margin very sparsely pilose, lobulate, the dorsal margin 

 ascending, the anterior vertical. 



Type locality: Zacuapan, Veracruz. 



Distribution: Veracruz. 



Illustration: Contr. Gray Herb. 47: pi. 2,f. 37. 



69. Polygala panamensis Chod. Mem. Soc. Phys. 

 Geneve 31(2) 2 : 35. 1893. 



Suffruticulose at base, erectish, several-stemmed, 2-3 dm. high, stoutish, branched, densely 

 and softly pilose with somewhat spreading curved shorter and wide-spreading slightly longer 

 hairs; leaves ovate, 2.5-7 cm. long, 1.1-2.8 cm. wide, obtusish to acute, mucronulate, cuneate 

 at base, firm, somewhat reticulate, above dark-green, softly pubescent with rather long ascend- 

 ing hairs, beneath densely and softly spreading-pilose along the veins, less densely or sparsely 

 so between them with spreading or ascending hairs; racemes rather loose, 2.5-9 cm. long; 

 flowers probably purplish; sepals lanceolate to ovate, acute, spreading-pilose, 3-3.6 mm. long; 

 wings oblong, 7-8 mm. long, 3.8-4.5 mm. wide, rounded, abruptly cuneate at base, rather 

 densely pilose along costa and toward apex with rather long spreading hairs; keel glabrous, 

 7 mm. long; capsule oval, ciliolate and spreading-puberulous, 9-11 mm. long; seed 6 mm. 

 long; aril 3 mm. high, with indistinct umbo, scarious, somewhat pubescent and ciliate, with 

 obliquely ascending dorsal edge and obliquely descending ventral, the margin about 6-toothed, 

 not lobed. 



