Argyreia.'] ci. CONVOLVULACEJE. (C. B. Clarke.) 18b 



SECT. II. Euargyreia. Sepals from ovate to narrow-oblong, more or 

 less hairy, ultimately dry. Seeds glabrous or very closely tomentose. 



* Stems twining, often extensively scandent. 



2. A. speciosa, Sweet Hort. Brit. ed. 2, 373; leaves large ovate-cordate 

 acute glabrous above persistently white-tomentose beneath, peduncles long, 

 Howers subcapitate, bracts large ovate-lanceolate acute thin softly woolly 

 aeciduous, corolla-tube woolly, fruit brown-yellow stout nearly dry. Chois. 

 Canvolv. Or. 29, and in DC. Prodr. ix. 328; Wight Ic. t, 851 ; Ilassk. Retzia, 

 I 68; Dalz. Sf Gibs. Bomb. Fl. 168; Brand. For. Fl. 343. Convolvulus 

 speciosus, Linn. ./. Suppl. 137; Smith Ic. Pict. t. 17; Wall. Cat. 1363. C. 

 nervo.sus, 3urm.Pt. Ind. 48, t. 20, fig. 1. Lettsomia speciosa, Eoxb. Hort. 

 Beng. 13. L. nervosa, Roxb. Hort. JSeny. 13, and FL Ind. i. 488, and ed. Carey 

 Sf Wall. ii. 78 (not of Ifort. Bot. Calc.}. Ipomrea speciosa, Blume Bijd. 717 : 

 Bat* Mag. 2446. 



INDIA, alt. 0-1000 ft. ; from Assam to Belgaum and Mysore : frequent in Bengal 

 plain. DISTIUB. Java ; also from China, Mauritius, &c., cultivated. 



Extensively climbing. Stems stout, white-tomentose. Leaves 3-12 in. diam., 

 glabrous above even before unfolding ; petiole long. Peduncles usually 3-6 in., stout, 

 white-tomentose ; outer bracts l in. Corolla 2-3 in., tubular-funnel-shaped, rosy. 

 Fruit f in, diam., globose, apiculate ; sepals ultimately in. diam,, ovate, coriaceous, 

 woolly. 



3. A. argentea, Chois. Convolv. Or. 36, and in DC. Prodr. ix. 330; 

 leaves ovate-cordate acute hairy above persistently white-silky beneath, corymbs 

 peduncled dense or subcapitate, bracts narrow mostly inconspicuous, corolla 

 hairy without, berry nearly black, fruiting sepals thin lanceolate subpatent. 

 Lettsomia argentea, Roxb. Hort. Benq. 13, and Fl. Ind. i. 489, and ed. Carey 

 $ Wall. ii. 79. Convolvulus argenteus, Watt. Cat. 1364. 



BENGAL PLAIN; frequent, extending to Assam and Chittagong. KHASIA MTS., 

 alt, 4000ft., H.f. $ T. 



A large climber. Leaves 3-6 in., closely pilose above ultimately subglabrous, 

 silky subtomentose beneath ; petiole long. Peduncles 2-5 in. ; corymbs small, or 

 large ; bracts \ by in., in the Khasia plant larger subpersistent. Corolla 2 in., 

 tubular-funnel-shaped, with many spreading simple lax hairs without, rose-purple. 

 Berry f in. diam., globose ; sepals ultimately by in., subpatent, or in one example 

 ovate subobtuse coriaceous. 



VAK. venusta ; indumentum less silvery ultimately thin. A. venusta, Chois, 

 Convolv. Or. 36, and in DC. Prodr. ix. 330. Convolvulus festivus, Wall. Cat. 1414, 

 not Argyreia festiva, Wall. PI. As. Ear. Argyreia sp., n. 27, Herb. Ind. Or. H.f.Sf T. 

 PEGU, Wallich, McLelland, &c. BENGAL ; Furidpore, Clarke. DISTRLB. Ava. 



4. A. Roxburgh!!, Chois. Convolv. Or. 37, and in DC. Prodr. ix. 330, 

 most syns. excl. ; leaves ovate-cordate acute softly patently villous on both sur- 

 faces, peduncles equalling the petioles, corymbs dense, bracts narrow, sepals 

 ~| in. elliptic-lanceolate. Convolvulus Roxburghii, Wall. Cat. 1415. 



NEPAL, Wallich ; SIKKIM'TERAI, Clarke. ASSAM, Jenkins. 



Leaves hardly shining. Peduncles 2 in., shorter than in A. argentea, which it very 

 closely resembles. 



VAR. ampla; innovations white silky, leaves large ultimately sparsely hairy, 

 cymes lax irregularly compound, one or more of the outer bracts often leaflik& 

 petioled. Argyreia ampla, Chois. Convolv. Or. 38, and in DC. Prodr. ix. Convolvulus 

 amplus, Wall. Cat. 1420. The common form. 



5. A. Hooker!, Clarke ; leaves large cordate-ovate acute glabrescent or 

 somewhat hairy beneath, peduncles very long, cymes dichotomous few-flowered. 



