Part 5, 1924] POLYGALACEAE 337 



oval, slightly narrowed above, narrowly margined, ciliate, 4.S mm. long; seed obconic-obovoid, 

 silky-pilose, 3.5-3.8 mm. long; aril 1.3-1.5 mm. deep, with small corneous umbo and two 

 oblong oblique searious lateral lobes notched at apex. 



Type locality: Mountains north of Tchuacan, Puebla. 

 Distribution: Vicinity of the type locality. 

 Illustration: Contr. Gray Herb. 47: pi. 2, f. 44. 



VILT. Hebeclada. Herbaceous or frutescent; sepals herbaceous, persistent, the two lower 

 united nearly to apex; wings petaloid, persistent; keel without beak or crest; capsule thin- 

 walled; seed usually silky or tomentose. 



79. Polygala floribunda Benth. PI. Hartw. 58. 1840. 



Polygala americana floribunda Kuntze, Rev. Gen. 48. 1891. 



Frutescent, branched, erect, 1-1.6 m. high, pubescent with incurved or somewhat spread- 

 ing hairs of unequal length, occasionally strigillose; leaves ovate, 3.5-9.2 cm. long, 1.2-3.8 cm. 

 wide, acute or shortly acuminate, mucronate, chartaceous, at length coriaceous, finely reticu- 

 late, whitish-maculate beneath, rather sparsely strigillose or glabrate; petioles 3-7 mm. long; 

 racemes loose, up to 2.3 dm. long, axillary and terminal, rarely branched, appressed-puberulous 

 to short-pilosulous; pedicels 8-13 mm. long; flowers violet-purple; sepals subequal, obtuse, 

 oval, very densely ciliate, 3.8 mm. long; wings suborbicular, 8-11 mm. long, S-10 mm. wide, 

 rounded, short-clawed, venose, ciliolate; keel ciliate on claw, 9-10 mm. long; capsule trans- 

 versely broad-oblong, strongly obcordate, distinctly stiped, ciliolate, reticulate, 8 mm. long, 

 10 mm. wide; seed (with aril removed) globose, pilose-tomentose, 3-3.5 mm. thick; aril 2 mm. 

 high, fleshy-coriaceous, somewhat excavated laterally, sparsely pilose. 



Type locality: Zonaguia, Chiapas. 

 Distribution: Chiapas and Guatemala. 



Illustrations: Mem. Soc. Phys. Geneve 31(2) 2 : pi. IS, f. 39-40; Contr. Gray Herb. 47: 

 pi. 2, f. 39. 



80. Polygala sphaerospora Chod. Bot. Jahrb. 52: Beibl. 

 115: 75. 1914. 



Shrub with slender slightly puberulous branches; leaves lanceolate, 3.8-7 cm. long, 1.3-2.4 

 cm. wide, acuminate, long-cuneate at base, chartaceous or subherbaceous, glabrescent; petioles 

 puberulous, 2-3 mm. long; racemes terminal, at length loose, appressed-puberulous; pedicels 

 10 mm. long; flowers 9-10 mm. long, like those of P. floribunda; capsule shorter than wings, 

 7 mm. long, 7.5 mm. wide; seed globose, grayish with subappressed hairs but not tomentose; 

 aril deeply and irregularly rugose, one-third shorter than seed, glabrous and shining. 



Type locality: Sandstone slates above San Geronimo, Samala, Guatemala. 



Distribution: Known only from the type locality. 



81. Polygala Securidaca Chod. Bot. Jahrb. 52: Beibl. 

 115: 76. 1914. 



Shrub, the densely leafy branches subtomentose above; leaves ovate-elliptic, 4.2-7 cm. 

 long, 2-3.3 cm. wide, barely acute, usually rounded at base, subcoriaceous, softly tomentellous; 

 petioles 2.5-3 mm. long; racemes terminal, solitary or rarely subpaniculate, subcorymbiform 

 or short-cylindric, 3-5 cm. long, 2.5 cm. thick; rachis tomentellous or hirsute; pedicels hirsute, 

 7 mm. long; flowers 10-12 mm. long; wings as in P. floribunda; fruit and seed unknown. 



Type locality: Mountain wood above Copan, Honduras. 

 Distribution: Known only from the type locality. 



82. Polygala apopetala Brand. Proc. Calif. Acad. 

 Sci. II. 2: 130. 1889. 



Shrub or small tree, 0.6-5 m. high, the branches strigillose; leaves ovate, 2.5-5 cm. long, 

 1.7-2.2 cm. wide, acutish to truncate or retuse at the mucronulate apex, cuneate at base, thin 

 but firm, sparsely strigillose, somewhat reticulate; petioles 2-3 mm. long; racemes terminal, 

 10-32-flowered, 5-19 cm. long; flowers pinkish-purple; pedicels sparsely appressed-hairy, 7-12 



