280 



LEGUMINOSjE. CXLVII. ZORNIA. CXLVIII. STYLOSANTHES. 



LIN. SYST. Monadelphia, Dccandria, Calyx campanulate, 

 bilabiate, upper lip emarginate, lower one 3-cleft. Corolla inserted 

 in the bottom of the tube of the calyx. Vexillum having revolute 

 sides. Keel bifidly lunulate. Stamens monadelphous. Anthers 

 alternately globose and ovate. Legume compressed, 3-5-jointed; 

 joints nearly orbicular, usually hispid. Glabrous herbs, full of 

 pellucid dots. Stipulas sagittate, lower ones lanceolate, upper 

 ones the largest, and forming girding bracteas. Leaflets 2 or 4, 

 rising from the top of the petiole. Flowers yellow, surrounded 

 by the large stipulas. 



* Leaves having 2 leaflets rising from the top of each petiole, 



1 Z. ANGUSTIFOLIA (Smith, in Rees' cycl. no. 1 .) stems diffuse ; 

 leaflets oblong-lanceolate ; bracteas ovate-sagittate, 5-nerved, 

 ciliated, shorter than the legumes, full of glandular dots ; 

 prickles of legume covered with retrograde stiff' hairs. . S. 

 Native of the Mauritius and the East Indies, in sandy places. 

 Rhced. mal. 9. t. 82. Z. diphy'lla a, Pers. 2. p. 318. Hedy- 

 sarum diphyllum, var. a, Lin. syst. 560. exclusive of the syno- 

 nyme of Sloane. In some specimens of this plant the legumes 

 are prickly their whole length, in others only at their apex. 



Narrow-lea/etted Zornia. Fl. July, Aug. Clt. 1733. PI. 

 ^ to 1 foot. 



2 Z. GLOCHIDA'TA (Reichb. in Sieb. pi. exsic. seneg. no. 40.) 

 stems erect, branched ; leaflets linear ; bracteas ovate-sagittate, 

 5-nerved, dotless, and ciliated with long hairs, a little shorter 

 than the legumes; legume with 3-4 joints, beset with glochidate 

 prickles, which are covered with retrograde stiff" hairs. . S. 

 Native of Senegal. 



Glochidalcd-foAAeA Zornia. Fl. July, Aug. Clt. 1823. 

 PI. i to | foot. 



3 Z. BIARTICULA'TA ; stem branched ; leaflets lanceolate, acute; 

 spikes few-flowered ; stipulas ovate, membranous, acute, 4-5- 

 nerved, ciliated ; legumes 2-jointed, echinated ; prickles hooked 

 at apex. 0. S. Native of the Gold Coast, in sandy places. 



Trvo-jointed-Tpo&ded Zornia. PI. foot. 



4 Z. GRA'CILIS (D. C. prod. 2. p. 316.) stems erect; leaflets 

 oblong-lanceolate ; bracteas linear-sagittate, acuminated at both 

 ends, 5-nerved, a little ciliated, full of glandular dots ; prickles 

 of legume beset with stiff retrograde bristles. . S. Native 

 of Guiana. 



Slender Zornia. PI. -j to |- foot. 



5 Z^RETICULA^TA (Smith, in Rees' cycl. no. 2.) stems erect ; 

 leaflop lanceolate, glabrous, lower ones elliptic; bracteas ovate, 



.ciliated, glandless, 5 -nerved, reticulated, length of legumes ; 

 legunief^ubescent, as well as furnished with a few downy 

 prickles. Q. S. Native of Jamaica, Cayenne, Porto Rico, 

 and Santa Cruz. Hedysarum diphyllum /3, Lin. Swartz. and 

 Willd. Z. diphyllum (3, ciliatum, Pers. 



Var. fi, puberula (D. C. prod. 2. p. 316.) branches pubescent 

 at the apex ; bracteas ovate-lanceolate, acuminated, longer than 

 the legumes. 0. S. Native of Cayenne. Perhaps a proper 

 species. Perhaps only a variety of Z. pubescens. 



Reticulated-bractead Zornia. Fl.Jul.Aug. Clt. 1800. PI. 1 ft. 



6 Z. THYMIFOLIA (H. B. et Kunth, nov. gen. amer. 6. p. 514.) 

 stems diffuse, and are as well as the petioles pubescent ; leaflets 

 oblong, glabrous above, but puberulous beneath, having the 

 margins dotted as well as the calyxes ; bracteas ovate, 5-nerved, 

 puberulous and glandular beneath ; legumes rather pilose, the 

 joints reticulated with veins. ^ . ? I/ . ? S. Native of Mexico, 

 near Santa Rosa. 



Var. ft, clandestina ; plant larger and more branched ; leaves 

 dotless ; bracteas a little dotted, glabrous, ciliated. O . S. 

 Native of Mexico, near Jalapa. Z. thymifolia, Schlecht. et 

 Cham, in Linnaea. 5. p. 582. Perhaps a proper species. 



Thyme- leaved Zornia. PI. i to |. foot. 



7 Z. ueVis (Schlecht. et Cham, in Linnsea. 5. p. 582.) plant 

 smooth ; bracteas somewhat 7-nerved, sparingly dotted, ciliated ; 

 legumes smooth, but rather puberulous between the joints ; 

 leaflets variable, ovate, or ovate-lanceolate, acute. Q. S. Na- 

 tive of Mexico, near Jalapa. 



Smooth Zornia. PI. J foot. 



8 Z. PUBE'SCENS (H. B. et Kunth, nov. gen. amer. 6. p. 515.) 

 stem erect, dichotomously branched, glabrous ; branches and 

 petioles clothed with villous pubescence ; leaflets oblong-lanceo- 

 late, pubescent on both surfaces, and are glandless as well as 

 the calyxes ; bracteas ovate, acute, ciliated, dotted ; legumes 

 hispid and muricated, having 5-6 joints. . S. Native of 

 South America, on the banks of the river Magdalena, near 

 Honda. 



Pubescent Zornia. PI. 1 to 2 feet. 



9 Z. LATIFOLIA (D. C. prod. 2. p. 317.) plant ascending, 

 clothed in every part with villi ; bracteas ovate, acute, many- 

 nerved. Q. H. Native of Brazil. Leaflets ovate, 12-18 lines 

 long and 8-9 broad, longer than the petioles. Flowers large. 

 Legume unknown. 



Broad-lcajletled Zornia. PI. ^ to | foot. 



10 Z. MARANIIAME'NSIS ; stems erect, branched, pubescent 

 at the apex ; leaflets lanceolate, acute ; stipulas subulate ; brac- 

 teas lanceolate, 3-nerved, acute, villous ; legume with 3-4 hispid 

 joints. 0. S. Native of Maranham. 



Maranham Zornia. PI. i foot. 



11 Z. ZEYLONE'NSIS (Pers. ench. 2. p. 318.) leaflets ovate; 

 bracteas ovate, ciliated; legumes prickly ; stem erect. . S. 

 Native of Ceylon. Burm. zeyl. t. 50. f. 1. Pluk. aim. t. 102. 

 f. 1. Hedysarum conjugatum, Willd. spec. 3. p. 1178. H. di- 

 phyllum, var. Lin. Z. conjugata, Smith, in Rees' cycl. no. 3. 



Ceylon Zornia. Fl. July, Aug. Clt. 1825. PI. J foot. 



12 Z. DICTYOCA'RPA (D. C. prod. 2. p. 317.) leaflets lanceo- 

 late ; bracteas ovate-sagittate, acuminated, shorter than the le- 

 gumes, a little ciliated and rather glandular, hardly 5-nerved ; 

 joints of legume unarmed, glabrous, reticulated. 0. H. Na- 

 tive of New Holland. Sieb. pi. exsic. nov. holl. no. 610. 



Net-fruited Zornia. Fl. July, Aug. Clt. 1820. PI. $ foot. 



* * Leaves bearing 4 leaflets at the apex of each petiole. 



13 Z. TETRAPHY'LLA (Michx. fl. bor. amer. 2. p. 76. t. 41.) 

 leaflets 4, digitate, oblong, acuminated ; bracteas glabrous, length 

 of legumes, 5-nerved ; prickles of legume rather scabrous. 

 T. F. Native of Carolina, in sandy fields. Anonymos brac- 

 teata, Walt. car. 181. Z. bracteata, Gmel. syst. 1096. Hedy- 

 sarum tetraphyllum, Lam. diet. 2. p. 405. but not of Thunb. 



Four-leajletted Zornia. Fl. June, July. Clt. 18?4. PI. 1 ft. 



14 Z. CAPE'NSIS (Pers. ench. 2. p. 317.) leaflets 3-4, oblong, 

 rather acute, dotted beneath ; bracteas semisagittate at the base, 

 but ovate at the top ; legumes 4-jointed, reticulately scabrous. 

 . G. Native of the Cape of Good Hope, in the interior of 

 the country. Hedysarum tetraphyllum, Thunb. nov. act. ups. 6. 

 p. 44. t. 3. fl. cap. 595. Z. heterophylla, Smith, in Rees' cycl. 

 no. 5. 



Cape Zornia. Fl. July, Aug. Clt. 1824. PI. ^ to f foot. 

 Cult, See Myriadenus, p. 279. for culture and propagation. 



CXLVIII. STYLOSA'NTHES (from <rrv\o , stylos, a style, 

 avOoc, anthos, a flower ; in allusion to the flower having a long 

 style). Swartz, prod. 108. act. holm. 1789. p. 296. fl. ind. occ. 

 1280. t. 25. Lam. ill. t. 627. D. C. prod. 2. p. 317. 



LIN. SYST. Monadelphia, Decdndria. Tube of calyx very 

 long and slender, with a 5-parted limb ; the lobes unequal. Co- 

 rolla inserted in the throat of the tube of the calyx. Keel 

 minute, bifid at the apex. Stamens monadelphous, having the 

 tube or sheath cleft in front. Ovary sessile. Style filiform, 



