484 LXXVII. CONVOLVULACE^E [Erycibe 



Prain et Hallier in Bull. Herb. Boiss. v. 382, 738.— Syn. E. glomerata, Wall. ; Fl. Brit. 

 Ind. iv. 183. Maulinein. A small tree, with strong straggling shoots, 1. rigidly coria- 

 ceous, blade 4-6, pet. stout, channeled, J in. long, sec. n. conspicuous below. Fl. in sessile 

 axillary clusters, creamy yellow with a strong smell. 8. E. Stapfiana, Prain in Journ. 

 As. Soe. Beng. 63. 87. Tenasserirn, Malay Peninsula. A slender climber, 1. elliptic- 

 lanceolate, blade 4-7, pet. J in., seen, arching, 4-6 pair, the lower 2-3 pair extending 

 beyond half the length of 1. Br. ovoid, § in. long, densely dark-brown velvety. 9. 

 E. Griffitlhi, Clarke. Mergui. Malay Peninsula. Fr. ellipsoid, 1 in. long. 



(b) Tertiary nerves indistinct, underside of 1. minutely granular. 



10. E. coriacea, Wall. — Syn. E. fragrans, Wall. ; Prain in Journ. As. Soc. Beng. 65. 

 536. Chittagong. Tenasserirn. Branchlets nearly glabrous, 1. thickly coriaceous, 

 midrib prominent beneath. Panicles short, compact, minutely puberulous. 11. E. 

 glaucescens, Wall. Silhet, Cachar. Tenasserirn. Glabrous, except inflorescence. Fl. 

 white, fragrant, petals with a firm rusty-silky back. 



2. RIVEA, Choisy ; Fl. Brit. Ind. iv. 183. 



Twining shrubs, 1. ovate-cordate, silky or hirsute beneath. Peduncles 

 axillary 1-3-fld., bracts 2-3, narrow. Sepals ovate or oblong, nearly equal. 

 Corolla large, tube long cylindric, limb wide, funnel-shaped, plaited, anthers 

 included, not twisted. Ovary 4-celled, ovules 4, disk annular, style filiform, 

 stigmas linear-oblong. Fr. subglobose, shining, nearly dry, indehiscent or 

 irregularh r breaking up. Seeds 1-4, glabrous, in mealy pulp. Species 3. 



1. R. ornata, Choisy ; Wight 111. t. 168 b. fig. 1 ; Ic. t. 1356. Western Penins. in 

 dry forests. Ceylon. A woody climber, branchlets and underside of 1. white-tomen- 

 tose. Blade 3-5 in. diameter, petiole 1-2 in. long. Peduncles i in., usually 3-fld., fl. 

 cream-coloured, sweet-scented, opening at night, sepals -J-§ in. long, corolla silky outside. 



2. R. Roxburgbii, Prain in Journ. As. Soc. Beng. 63. 89. — Syn. M. ornata, var. Griffithii, 

 Fl. Brit. Ind. iv. 183; Argyreia ornata, Sweet; Brandis F. Fl. 343. Subhimalayan 

 tract from the Jumna eastwards, common jn the Sal forests of Jalpaiguri and the 

 Western Duars. Singbhum. Southern Shan States. A stout erect shrub, branches 

 often twining, 1. renifbrrn, sparsely grey hirsute beneath, peduncles long, mostly 7-fld. 



3. R. hypocrateriformis, Choisy. — Syn. Lettsomia bona-nox, Roxb. ; Argyreia uniftora, 

 Sweet. The Midnapore Creeper. Sind. Plains of Northern India. Bajputana. 

 Chutia Nagpur. Central Provinces. Western Peninsula. Common in hedges and 

 dry forests. L. silky beneath, fl. fragrant, pure white, opening at sunset, solitary 

 or in pairs, sepals J— J in. long, corolla glabrous outside. 



Blrnkworthia lycioides, Choisy ; Journ. Linn. Soc. xxviii. 94, tab. 15. Dry region of 

 Irawadi valley from Prome upwards, often in Eng forest. A shrub, 6-10 ft. high, 

 branchlets, 1., pedicels and bracteoles strigose with long hairs, 1. lanceolate i— 1 in. long, 

 pet. short . Fl. solitary, axillary, supported by an involucre of 4 bracteoles, pedicels J in. 

 long, corolla white, waxy, £-f in. long, limb entire, disk cylindric, including the 

 2-celled ovary. Prain in Journ. As. Soc. Beng. 63, 91 distinguishes B. convolvirfoides, 

 Prain, Kendat, Myingnan, Upper Burma, by its climbing habit and larger 1. 



3. ARGYREIA, Lour. ; Fl. Brit. Ind. iv. L84. 



Twining, rarely erect shrubs. Fl. showy, as a rule purple or rose, sepals 

 often unequal, corolla funnel-shaped, limb shortly lobed, stamens included, 

 anthers oblong, not twisting, base of filaments usually hairy. Ovary 4- 

 celled, disk annular,, usually prominent, style filiform, stigmas 2, globose. Fr. 

 indehiscent, often fleshy. Species 30-40, one African, the rest in India, llalaya 

 and South China. 



A. Bracts persistent, 1. broad, usually cordate. 



1. A. sericea, Dalz. & Gibs. Konkan. Kanara. Coorg. L. hairy above, densely 

 white-silky beneath, fl. in bracteate heads, peduncles 1-4 in., cor. pink. 2. A. bracteata, 

 Choisy. Deccan. L. glabrous above, shining silky beneath, fl. pedicellate, in bracteate 

 heads, peduncles J-2 in. long. 3. A. involucrata, Clarke. Konkan and North Kanara, 

 near the coast. Bababudan hills. L. sparingly hairy, ovate, sometimes longer than 

 twice their breadth. 4. A. populifolia, Choisy. Travancore. Ceylon. L. nearly 

 glabrous, peduncles 3-5 in. long. 5. A Leschenaultii, Choisy and A neilygherya, Choisy, 

 Nilgiris, A. malabarica, Choisy, Malabar, probably one species. L. softly hairy on both 

 sides. 6. A. cymosa, Sweet ; Wight Ic. t. 839. Western Peninsula, frequent. Grey 



