60 Leguminosa. [Mucuna*. 



25. TERAKNUS, Sw. 



Herbaceous twiner, 1. pinnately 3-foliolate, fl. small, in 

 very lax racemes; cal. tubular-campanulate, segm. linear; 

 pet. nearly equal, slightly exserted ; stam. monadelphous, alter- 

 nate ones small, abortive; style beardless, stigma capitate;, 

 pod linear, with a strongly hooked point, 8-10-seeded, septate 

 between seeds. — Sp.' 4; 2 in Fl. B. hid. 



T. labialis, Spren^. Syst. Hi. 235 (1836). 



Glycine parviflora, Lam., Moon Cat. 53 (?). Glycine labialis, L. f. N 

 Thw. Enum. 88. Glycine mollis, W. and A., Am. Pug. 12. T. mollis, 

 Benth. in Journ. Linn. Soc. viii. 265. C. P. 147 1. 



Fl. B. Ind. ii. 184. Wight, Ic. t. 168. 



A twining herb, stems slender, much-branched, glabrous or 

 with deflexed hair; l.-rachis \-2\ in., glabrous or hairy like 

 the stem, stip. minute, deciduous, lflts. 1^—3 in., lanceolate or 

 oval-lanceolate, subacute, apiculate, glabrous on both sides or 

 softly pubescent beneath, lat. ones unequal-sided ; fl. small, on 

 short slender ped., arranged in small clusters in usually very 

 lax elongated slender axillary racemes, from 2-9 in. long, 

 bracts small, setaceous; cal. hairy, segm. setaceous; pod 

 \\-2 in., narrowly linear, straight or slightly curved upwards,, 

 tipped with a short stout beak or hook abruptly curved 

 upwards, hairy when young but nearly glabrous when mature ; 

 seeds 8-10, cylindrical, truncate at ends, dark brown. 



Low country; common. Fl. Nov.-Dec; pinkish or white. 

 Found throughout the Tropics. 



A very variable plant, perhaps including more than one species. The: 

 hairy form is T. mollis, Benth. 



26. muCXJNA, Adans. 



Woody or herbaceous twiners, 1. 3-foliolate, with stipels, fl.. 

 large, in drooping racemes; cal. campanulate, 2 upper segm.- 

 connate, lowest one longest; pet. exserted, very unequal, wings 

 twice as long as standard, keel rather longer than wings, 

 curved into a stiff beak at apex ; stam. diadelphous ; style 

 beardless, stigma capitate; pod i-few-seeded covered with 

 sharp needle-like bristles, slightly compressed, turgid ; seed 

 large, with an oblong or linear hilum. — Sp. 20; 10 in Fl. B. hid. 



Pod winged on both sutures and sides. 



Cal. truncate with small teeth . . . .1. M. monosperma. 



Cal. 2-lipped, with large lower segm. . . 2. M. atrqpurpurea 



Pod winged at sutures only 3. M. gigantea. 



Pod without wings {Stizolobiuvi). . . . 4. M. pruriens. 



