JtfJQUIXOfltu.] COSVOLVULACEJE. 107 



J. pintculata, Hillirr f. in Engl. Bot. Jahrb. xvi, 541; zviii, 95; 

 Praia li-n. PL 72"?; Choice Fi. Bo,n'> ii. 235. Cjnvolvulm p irviflorus! 

 Vahl. ; R>t'>. Fl. lad. i, 471 ; F. B. I. iv, 220 ; Watt. E. D. 



A sl-^n 1 >r twining piberalom h3rb. Leave* \\-Z in. Ion?, ovate cordate 

 ac-.it j or acuminate, entire, pabe^ent beneath, nearly glabrous above 

 petioles \-\ in, long, pubescent. Flowers white, peduncles longer than 

 the petioles. Sepal* % in. long, ovate, cordate, acuminate, pubesoent, 

 not enlarged in fruit. Corolla tubular, £ in. long, mouth narrow, limb 

 shortly and acutely 5-lobed. Capsule glabrous, } in. in diam. Seeds 

 slightly tuberculate on the back. 



Bundelkhand (Duthie), Saugor (Jerdon). Flowers Oct. and Nov. Distrib. 

 Cent. Provinces and Bombay to S. India and Ceylon ; also in 

 Assam extending to the Malay Peninsula, N. Australia and Trop. Africa. 



9. MERREMIA. Dennst. 

 Under Ipom^a in Fl. Brit. Ind. 



Shrubs or herbs usually clitnbintj. Stems rarely winged. Leaves 

 entire lobed or divided. Flowers axillary, usually on long peduncles 

 solitary or in few-flowered (rarely many-flowered) cymes, bracts small. 

 Sepals subequal, elliptic or lanceolate and usually acuminate, convex 

 usually slightly enlarged and thickened in fruit. Corolla funnel- 

 shaped or eampanulite, usually white, the 5 vertioal bands usually 

 defined by dark violet lines ; limb plicate, the margin slightly lobed. 

 Stamens unequal, included or exserted ; filaments filiform, anthers 

 usually twisted; pollen usually with longitudinal folds, never spinu- 

 lose. Ocary 2-4-celled, style filiform ; stigmas 2, globose, ovules 4. 

 Fruit a 4-valved capsule, l*4-celled, the style sometimes separating 

 with a small operculum. Seeds 4, rarely fewer, dull and usually 

 glabrous. — Species about 40, in the warmer regions of the world. 



Corolla large, shaggy outside ; seeds minutely 

 velvety, margins subvillous . . . . 1. M. crispatula. 



Corolla under 1 in. long, not shaggy outside. 

 Buds long, acute ; leaves subsessile, oblong- 

 hastate or linear-hastate. 

 Prostrate but never twining ; leaves obtuse 



truncate or 3-toothed at the apex . 2. M. tridentata. 



A twining herb, leaves gradually tapering 

 to the apex . . . . . . 3. M. hastata. 



Buds short, globose ; leaves distinctly 

 petioled, not hastate. 



Stems twining ; leaves ovate, cordate, 

 acute ; peduncles distinct, often long, 

 many-flowered ; seeds velvety-pubescent 4. Jf. chryseides. 



