522 LXXXVIII. ARISTOLOCHIACEiE [BraganUa 



1. B. WaHichii, Bob. Br. ; Wight Ic. t. 520. Cliakrani, Mar. Western Ghats from 

 the Konkan southwards, in evergreen forest. Ceylon, moist region, common. A large 

 erect shrub, 1. distichous 5-8 in., slightly aromatic, fl. purple or greenish, pods 3-8 in. 

 long. 2. B. Dalzellii, Hook f. The Konkan (only found once). L. 12 by 3 in. Pod 

 5-8 in., trigonous, rugose and deeply pitted. 



2. ARISTOLOCHIA, Linn.; Fl. Brit. Ind. v. 74. 



Perennial herbs or shrubs, often twining. L. entire or lobed, base generally 

 cordate, basal nerves 3-5. The lowest leaf of a more or less developed axil- 

 lary bud sometimes has the appearance of an intrapetiolar stipule. Perianth 

 tube inflated at the base, then contracted, hairy within, limb dilated, obliquely 

 2-lipped. Anthers 6, adnate to the stylar column, the apes of which is 3- or 

 6-lobed. Capsule septicidally 6-valved. Species 180, cosmopolitan, chiefly 

 tropical. 



A. Stylar column 6-lobed. 



1. A. Roxburghiana, Klotzsch. — Syn. A. acuminata, Roxb. ; Wight let. 771. Sikkim, 

 1^,000 ft. Assam. Khasi hills. Maimensingh. Chittagong. Burma. Western 

 Ghats. Malay Penins. and Archip. A twining shrub, stem attaining 1 in. diam. 

 L. deeply cordate, ovate or ovate-lanceolate, basal n. produced far beyond the middle. 

 Fl. pale green, in lax pedunculate axillary corymbs, lip of perianth villous, capsule 

 stipitate, oblong or subglobose, 1—2 J in. long. 2. A. indica, Linn. — Syn. A. lanceolata, 

 Wight Ic. t. 1858. Vera'. Isharmal, Sund. ; Sapshi, Kaclula, Kan. Sundriban. Chitta- 

 gong. Western Ghats. Sriharikot, Coromandel coast (D. B. Nov. 1881). — Ceylon, low 

 country to 3,000 ft. Prostrate or climbing, stems slightly woody at base, 1. variable, 

 linear, ovate or obovate-oblong, base cuneate or rounded, basal nerves short. Corymbs 

 short, pedunculate. Perianth greenish- white, lip glabrous, purple and brown. 



B. Stylar column 3-lobed. 



(a) L. lobed and pinnatifid. 



3. A. platanifolia, Ducharte. East Nepal. Sikkim to 6,000 ft. Assam. Khasi hills. 

 A large climber, 1. up to 12 in. long, and often as broad. Fl. generally fasciculate on 

 the old wood, perianth yellowish-purple, mouth 1 in. diam. Capsule 4-6 in. long. 



(b) L. entire. 



4. A saccata, Wall. PI. As. Ear. t. 103. Kumaon. Nepal. Sikkim, from the Terai 

 to 6,000 ft. Assam. Khasi hills. Stems up tol in. diam. from a thick rootstock. L. 

 ovate-lanceolate, acuminate, base deeply cordate, tomentose, rarely glabrous beneath, 

 blade 12-16, pet. 1-2 in. long. Fl. mostly from the old wood, perianth purple, mouth 

 nearly circular, capsule cylindric. 5. A Cathcartii, Hook. f. Sikkim to 3,000 ft. Khasi 

 hills. Manipur. Similar to 4. branches, petioles and 1. beneath softly silky, inflor- 

 escence clothed with long spreading hairs, mouth of perianth square, edge broad, 

 recurved, fringed with long purple hairs. 6. A. Grimthii, Hook. f. Sikkim 7-10,000 ft. 

 Bhutan. L. broadly ovate or orbicular, densely tomentose beneath. Fl. mostly 

 solitary, axillary, capsule 7 in. long. 



Obder LXXXIX. PIPEP.ACE.ffi. Gen. PI. iii. 125. 



L. entire, fl. minute, subtended by bracts, which often are peltate, in catkin- 

 like spikes. Perianth 0, stamens bypogynous, Embryo minute, in a copious 

 mealy albumen. 



The wood is separated by broad medullary rays into wedge-shaped masses. Pith 

 large, with numerous vascular bundles and a hard undulating belt, mostly consisting 

 of sclerotic fibres, on the outside. 



PIPER, Linn.; PL Brit. Ind. v. 78. 



Perennial herbs or shrubs, often climbing by adventitious roots at the nodes, 

 usually aromatic, nodes swollen, 1. alternate, basal n. 3 or more, supra-basal n. one 



