Part 5, 1924] POLYGALACEAE 347 



109. Polygala paniculata L. PI. Jam. Pug. 18. 1759. 



'Polygala tenella Willd. Sp. PI. 3: 878. 1803. 



Polygala paniculata normalis Kuntze. Rev. Gen. 49. 1891. 



Polygala paniculata humilis Chod. Bull. Soc. Bot. Belg. 30': 301. 1891. 



Polvgala paniculata verlicillata Chod. Bull. Soc. Bot. Belg. 30': 302. 1891. 



Polygala paniculata i. leucoptera Blake, Contr. Gray Herb. 47: 101. 1916. 



Slender erect annual, 0.6-4 dm. high, densely pedicellate-glandular; leaves whorled at 

 extreme base of stem, otherwise alternate, linear or linear-spatulate, rarely linear-obovate, 

 mucronate, 8-18 mm. long, 1-4 mm. wide; racemes loose, cylindric, 5-6 mm. thick, the axis 

 becoming 9.5 cm. long; pedicels 0.7-1 mm. long; flowers rosy or purplish, rarely white; sepals 

 ovate or oblong-ovate, obtuse, 1.3 mm. long; wings obovate or spatulate-obovate, 2-2.5 mm. 

 long, 0.7-1 mm. wide, rounded, long-cuneate at base, 3-nerved; keel 2-2.5 mm. long, the crest 

 of 3-4 lobes on each side; capsule elliptic, 1.7 mm. long; seed appressed-pubescent, 1.5 mm. 

 long; aril 0.4-0.8 mm. long, the 2 lobes appressed. 



Type locality: Jamaica. 

 * Distribution: Texas; Veracruz and the West Indies to South America; introduced (f. leucop- 

 tera) in Samoa; reported also from Java (introduced). 



Illustrations: Sw. Obs. Bot. pi. 6, f. 2; Reichenb. Ic. Crit. 1: pi. 28, /. 62; Bot. Reg. 9: 

 pi. 761; Mart. Fl. Bras. 13': pi. 11, f. II; Mem. Soc. Phvs. Geneve 31(2)=: pi. 24, f. 10-11; Contr. 

 Gray Herb. 47: pi. 2, f. 77; Fawc. & Rendle, Fl. Jam. 4: /. S3. 



110. Polygala rhynchosperma Blake; Britton, Bull. Torrey 

 Club 50: 40. 1923. 



Slender annual, 14-25 cm. high, evenly but not densely puberulous with short, thickish, 

 incurved or subappressed, eglandular hairs; leaves alternate except for 1 or 2 basal whorls, 

 rather crowded, linear, 6-14 mm. long, 0.5-1.3 mm. wide, acute, cuspidulate, 1-nerved, sparsely 

 puberulous, erect; peduncles 5-15 mm. long; racemes slender, cylindric, gradually narrowed 

 to an obtuse apex, loose below, 2-9 cm. long, the axis becoming 10.5 cm. long and more, puberu- 

 lous like the stem; bracts oval or obovate, caducous, 1.5 mm. long, puberulous at base, with 

 rather short abruptly caudate purplish tips; pedicels glabrous, 1 mm. long, clavellate; sepals 

 pinkish-white with greenish center, oval-ovate to oblong, obtuse, 1.2-1.5 mm. long; wings 

 pinkish, obovate, 3 mm. long, 1.5 mm. wide, rounded or obtuse, scarcely clawed, 3-nerved; 

 keel 3-3.2 mm. long, slightly surpassing the wings, the crest on each side of a deeply trifid 

 lamella and a 2- or 3-fid or 2-parted lobe with linear segments; capsule pendulous at maturity, 

 slightly surpassing the wings, elliptic-oblong, emarginate, 3.3 mm. long, 1.5 mm. wide; seeds 

 subcylindric, 2.2 mm. long, densely short-pilose, distinctly rostrate at base (beak conic, 0.4 mm. 

 long); aril fastened to upper half of beak, 0.7 mm. long, the 2 lobes rhombic, acute or obtuse, 

 appressed. 



Type locality: Sabana del Cerro. near Zarzal, Oriente, Cuba. 

 Distribution: Known only from the type locality. 



111. Polygala leptocaulis T. & G. Fl. 

 N. Am. 1: 130. 1838. 



Polygala Pringlei S . Wats. Proc. Am. Acad. 25: 142. 1890. 



Polygala paludosa Chod. Mem. Soc. Phys. Geneve 31(2) J : 226. 1893. Not P. paludosa St.-Hil. 



1829. 

 Polygala paludosa exappendiculata Chod. Mem. Soc. Phys. Geneve 31 (2) 2 : 226. 1893. 



Slender annual, up to 5.6 dm. high, glabrous; leaves all scattered, linear, 8-25 mm. long, 

 0.4—0.8 mm. wide, acuminate, slightly revolute; racemes cylindric, loose or rather dense, 5-5.5 

 mm. thick, the axis 13 cm. long or less; pedicels 0.8-1 mm. long; flowers rosy, rarely white; 

 sepals ovate, obtuse, 1 mm. long; wings obovate, 2 mm. long, 0.9 mm. wide, rounded, 

 cuneate at base, 3-nerved; keel 2 mm. long, the crest of 2-3 lobes on each side; capsule oblong, 

 1.6-1.8 mm. long; seed subcylindric, appressed-pubescent, 1.2 mm. long; aril minute, 2- 

 lobed, about one-tenth as long as seed. 



Type locality: Texas. 



Distribution: Louisiana and Texas; Jalisco and Veracruz to Guatemala and Salvador; Cuba 

 and Isle of Pines; also in South America. 



Illustrations: Mem. Soc. Phys. Geneve 31(2) s : pi. 24, f. 4,5 (as P. paludosa); Contr. Gray 

 Herb. 47: pi. 2, f. 75, 75a (as P. paludosa). 



