28 POLYGALE^. 



stigma large, cucnllate, imder lip short, glandular; capsule ovate-oblong, obtnsate and 

 shortly emarginate ,- seeds ohconical, silky-hairy and fringed at the top : oarnncle minute. — 

 P. incarnata, AuU. {lum L.). P. adenophora, SO. P. stellera, DC. et Rich. Cut. P. ad- 

 pressa, Steud. in PI. Hostm. {non Benth.). — Stem slender, filiform, with a few fastigiate 

 branches above the middle ; leaves distant, 6'" long, the lowest smaller and broader, all 

 dotted with glands ; flowers purpurascent, 4'" long ; sepals all membraoaceous, three smaller 

 ones bearing a yellow gland at the base : wings exceeded by the corolla, oblong, 3-nerved : 

 the lateral nerves bearing usually only a few veins on the outer side and being simple above 

 the middle ; tube of corolla narrowly tubular ; capsule furnished on both sides with a double 

 series of yellow glands, lining the dissepiment ; caruncle a miunte spot, covered by the down 

 of the seed. — Hab. Trinidad !, dr., on savannahs ; [Cuba and Mexico to Brazil !] 



3. P. variabilis, Kth. Annual; glabrous ; leaves linear, scattered ; racemes terminal, 

 capituliform : pedicels equalling or exceeding the inferior sepals, which are usually destitute 

 of glands ; wings rounded at the top ; petals cohering to the middle ; style slender, dilated 

 upwards : upper lip of stigma large, cucullate, under lip shorter, thickened ; capsule ovate- 

 oblong, obtusate and shortly emarginate ; seeds ohconical, silky-hairy and fringed at the top : 

 cjruucle minute. — Kth. Nov. Gen. 5. t. 509. — P. sororia, Mig^.h a form destitute of pel- 

 lucid dots in the leaves (P. stellera, Miq. !, in PI. Hostm^. — Stem slender, filiform, usually 

 a foot high, or spithameons : branches distant, spreading ; corolla purple or white, equalling 

 the wings, the lateral nerves of which bear usually 5-6 veins on the outer side. In all the 

 characters not mentioned, and in the glands of the capsule, it agrees with the preceding spe- 

 cies, to which it is very nearly allied. — Hab. Trinidad !, Pd., Or., on savannahs ; [Venezuela! 

 to Brazil !]. 



4. F. ,paniculata, L. Anuual; minutely puberulons or glabrescent; leaves linear, 

 scattered ; raceme terminal, elongated : pedicels at length cemuous ; style short, equalling 

 the stigma : upper Hp of stigma rounded-cuoullate, under lip prominent, a little shorter ; 

 capsule elliptical-oblong, shortly emarginate ; seeds ohlong, rounded at both ends, pubescent : 

 caruncle bipartite, with the segments linear. — Sw. 06s. t. 6./. 2. — P. modesta, Miq! in PI. 

 Kappler. : a glabrescent, white-flowered form. — Stem ascending, usually much-branched, 

 filiform, 8"-13" long ; leaves 6"'-8"' long, dotted ; flowers purpurascent or white ; wings ob- 



. long, blunt, equalling the corolla ; segments of the caruncle exceeding half the length of the 

 black seed, deciduous. — Hab. Jamaica !, Pd., Wils., Al., March, in mountaiu pastures ; 

 Dominica I, Imr., S. Vincent !, Guild. ; Trinidad I, Or. ; [Mexico ! to Brazil ! and Buenos 

 Ayres; Western Africa]. 



Sect. 3. SrNGALA. — Keel not cristate, adherent to the stamens and superior petals at the 

 base. Stigma papilliform. Caruncle distinct from the seed, three-lobed, helmet-shaped. 

 — Tko itiferior sepals more or less united. 



6. P. angustifolia, Kth. Annual ; pubernlous ; leaves linear-lanceolate, taper-pointed, 

 shortly petioled, glabrescent ; racemes elongated ; inferior sepals united to the middle ; keel 

 naked, equalling the obovate, persistent wings, and a little exceeding the superior petals ; 

 style subulate, inflexed : stigma bearded below the top ; capsule oblong, emarginate, glabrous ; 

 seeds cylindrical, oblong, silky and fringed at the rounded top. — Kth. Nov. Gen. 5. t. 511. 

 — P. brizoides, St. Hil. (PI. Bras. t. 88) : a form with narrow leaves. P. camporum, 

 Benth. ! P. muoronata, Maefad. I — Stem herbaceous, slender, branched, 8"-l 2" Ion" ; 

 leaves l"-2" long, 2"'-4"' broad ; racemes at length 2" long : pedicels cernuous, mostly 

 unilateral ; flowers yellowish-purple ; capsule 2'" long, equalling the wings : these often 

 emarginate. — Hab. Jamaica I, M'Nab, Macf., on pastures ; Trinidad !, Lockh., Pd., Or. ; 

 [Cuba 1 and Mexico 1 to Brazil I]. 



- 6. P. americana, Mill. Suffirutescent, erect ; pubescent ; leaves ovate-lanceolate or 

 ovate, pointed, shortly petioled ; racemes terminal ; inferior sepals united at the base ; keel 

 naked, equalling the obovate, deciduous wings, and a little exceeding the superior petals ; 



■ style inflexed : stigma thickened, glabrous ; capsule orbicular, shortly emarginate, pubescent ; 

 seeds obovate, pubernlous, raucronate at the subtruncate top. — Kth. Nov. Gen. 5. t. 512.- ' 



P. rivinaefolia, Kth, 



Kth. comparatis).— , . . „ , , _„ 



times glabrescent, ciliate, l"-li" long, 6"'-8"' broad ; pedicels cernuous, mostly unilateral ; 



iviuaefolia, Kth. P. caracasaua, Kth. {ex specim. Schiedean. a Schlechtend. cum specim. 

 Kth. comparatis). — Stem slender, woody at the base, 1' high ; leaves membranaceous, some- 



