Ehretia.] LVI. BORAGINE^E. 341 



longer. Calyx-lobes lanceolate. Corolla campanulate, twice the length 

 of calyx, lobes ovate, as long as tube. Drupe \ in. across, with four 

 1 -seeded pyrenes. 

 Sindh. Salt range, Panjab. Abyssinia. Fl. March, April. 



3. RHABDIA, Martius. 



Shrubs with alternate leaves. Calyx deeply divided into 5 segments, 

 persistent. Corolla-tube short, limb 5-lobed. Ovary 2-celled, style un- 

 divided. Fruit a dry berry with 4 pyrenes ; seeds albuminous, radicle 

 superior. 



1. R. viminea, Dalzell in Hooker Ic. Plant, ix. t. 823. Syn. Ehretia 

 viminea, Wall. ; E. cuneata, Wight Ic. t. 1385. 



A small much-branched shrub, branches twiggy. Leaves spathulate, 

 entire, narrowed into a short petiole, about 1 in. long, more or less hairy 

 with stiff adpressed white hairs, at times densely hispid or nearly glabrous. 

 Flowers pink, on short pedicels, 2 or 3 at the ends of short lateral branch- 

 lets. Calyx hispid, longer than corolla-tube, somewhat enlarged in fruit, 

 which is the size of a small pea, and orange-red when ripe. 



Eocky, sandy and shingly beds of streams, Kamaon, ascending to 2500 ft., 

 East Bengal, Banda, Konkan, Mysore, Burma. Fl. Oct., Nov. ; branches frequently 

 creeping and rooting. 



Order LVII. CONVOLVULACE^l. 



Herbs, rarely shrubs, often twining. Leaves alternate, without stipules. 

 Flowers regular, pentamerous, bisexual, usually large and showy. Calyx 

 free, persistent, often enlarged in fruit, of 5 distinct sepals, much imbri- 

 cate in bud. Corolla generally campanulate or funnel-shaped, the limb 

 usually spreading, 5-angled or 5-lobed, folded in the bud, rarely imbricate. 

 Stamens 5, often of unequal length, inserted in the corolla-tube or at its 

 base, and alternating with the lobes or angles of the limb ; anthers with 

 2 parallel cells dehiscing longitudinally. Ovary free, 2- 3- or 4-celled, 

 1 or 2 ovules in each cell, or 1 -celled with 2 or 4 ovules. Fruit a capsule 

 or succulent and indehiscent. Seeds with scanty mucilaginous albumen. 

 Eoyle 111. 307 ; Wight IU. ii. 200. 



Style filiform ; limb of corolla 5-angled or 5-lobed. 



Flowers small, ovary 1 -celled ; sepals much enlarged in fruit, 

 forming long, veined membranous wings; fruit a 1-seeded 



capsule 1. Porana. 



Flowers large, ovary 2- or 4-celled ; sepals enlarged, but not 



membranous in fruit ; fruit a dry or succulent berry . 2. Argyreia. 

 Stigma sessile ; limb of corolla of 5 deeply 2-lobed divisions ; 

 fruit a berry, supported by the slightly increased calyx ; 

 leaves coriaceous, evergreen 3. Erycibe. 



1. PORANA, Linn. 



Large twiners. Leaves entire. Flowers usually small, paniculate in the 

 Indian species. Sepals enlarged after flowering into long membranous 



