Materials for a Flora of the Malayan Peninsula. 125 



"Wall. Cat. 5843 (excluding Gr and, according to W. & A., also excluding 

 D). P. ijidicus Benih. in Journ. Linn. Soc. IV, Suppl. 77, in part; 

 Bedd. Fl. Sjlvat. t. 23; Bak. in Flor. Brit. Ind. II, 238 in part, not of 

 Willd. 



Andamans ; common. 



This tree is usually treated as a form of the preceding species, and it has been 

 the fashion to say that the two are not distinguishable by ' botanical ' characters. 

 As they grow it would be very hard to mistake them, and when have been 

 carefully examined it becomes difficult to realize that, even in the herbarium, they 

 should ev^r have been confounded. 



32. Arachis Linn. 

 Annual herbs. Leaves abruptly pinnate, leaflets few ; stipules 

 elongated adnate to the petiole. Calyx long-tubular simulating a 

 pedicel, 2-lipped ; the upper lip 4-toothed the lower long slender. 

 CoroZZa resupinate. Stamens (sometimes only 9) united in a tube in- 

 serted with the petals on calyx limb ; staminal tube grooved on vexillary 

 side but not split ; anthers dimorphic alternately on short filaments 

 versatile and on longer subbasifixed. Ovary at first short-stalked, at 

 base of calyx-tube, the stalk soon elongating ; style filiform, bearded 

 above ; stigma minute. Pod long-stalked ovate-oblong, obtuse at both 

 ends, gibbous, torulose, reticulated, coriaceous, indeldscent, 2-4-seeded. 

 Seeds fleshy, oily. Species 7 ; six in Brazil, 1 widely cultivated in the 

 tropics. 



Arachis HVPOGiEA Linn. Sp. PI. 741. An annual difiuse berb, stems 

 grooved and angled 6-20 in. high, often much branched near base; 

 stems and branches clothed with longish spreading hairs. Leaf-rachis 

 pubescent 2-4 in. long ; leaflets exstipellate in 2 opposite pairs, ovate- 

 oblong obtuse with rounded base, 1-1*5 in. long, '6-1 in. wide, green and 

 glabrous above, pale and sparsely clothed with spreading hairs beneath ; 

 stipules narrow lanceolate 1 in. long, '15 in. wide, upper half free. 

 Flowers 2-7, in leaf-axils along the stem. Calyx-lips '25 in. long, the 

 lower linear the upper "15 in. wide. Corolla '4 in. long, pale-yellow or 

 white ; standard suborbicular, glabrous, keel beaked. Pod carried under- 

 ground by the elongating pedicel, where it ripens; 1-1*25 in. long, -5 

 in. across ; 2-3-seeded. DC. Prodr. II, 474; Miq. Flor. Ind. Bat. I, 218. 



Singapore ; cultivated, Anderson ! Penang ; cultivated, Curtis ! 



The " Groand-Nut," commonly cultivated in India and Malaya, probably origi- 

 nally introduced into the old world from Brazil. 



33. ZoRNiA Gmel. 

 Annuals, with large geminate coriaceous bracts and dotted leaflets 

 in 1-2 opposite pairs. Flowers in lax racemes. Calyx minute ; upper 



125 



