254 LXXXTIII. CONVOLVULACE^. 



1. Rivea hypocrateriformis, Choisy, Convolv. Orient, in Mem. Soc. 

 Pliys. Genev. v. (1834) p. 408. A large climber ; stems terete, more 

 or less silky-pubesceut, Leaves lg-2| by \l-2\ in,, sometimes as broad 

 as, but rarely broader than long, orbicular, obtuse, rarely mucronulate, 

 glabrous or nearly so above, appressedly silky-hairy beneath, base usually 

 cordate ; petioles ^-2 in. long, silky. Peduncles very short, usually 

 1-flowered ; bracts 2 at the apex of the peduncle ; pedicels short, articu- 

 lated to the peduncle. Sepals ^ in. long, ovate-elliptic, obtuse or sub- 

 obtuse, silky-hairy. Corolla fragrant, 2^-3 in. long ; tube very long ; 

 limb reaching 2 in. in diam., glabrous or \vith a few scattered hairs 

 outside. Anthers | in. long, linear-oblong. Stigmas \ in. long, linear- 

 oblong. Fruit h in. in diatn., globose, mucronate by the style-base, 

 chestnut-browi, glabrous, polished. Fl. B. I, v. 4, p. 184; Grab. Cat. 

 p. 127; Dalz. & Gibs. p. 168 ; Aitch.Pb. & Sind PL p. 100; Talb. Trees, 

 Bomb. ed. 2, p. 247 ; Woodr. in Journ. Bomb. Nat. v. 12 (1898) p. 170 ; 

 AVatt, Diet. Econ. Prod. v. 6, part 1, p. 557. Rivea fragrans, Niuimo, in 

 Grab. Cat. p. 127. It. Bona-mx, Cboisy, Convolv. Orient. (/. c.) p. 409 ; 

 Dalz. & Gibs. p. 168.— Flowers : Aug.-Oct. \%Rn. Fhcinji. 



KoNKAN : Law I, Graham. Deccan : Mawal (Poona tlistrict8), Woodrow I ; Bow- 

 tlhan near Poona, Coo/cel; Ganesh Kbind, Woodrow I Sind: coiiinion in tbe bills, 

 Stocks, 486 ! ; Jemadar ka Lauda near Karaclii, Stocks, 48G !— Distrib. India (W. 

 Peninsul.i, Assam). Tbe leaves and young shoots are eaten as a vegetable. See 

 Watt, Diet. Econ. Prod. 1. c. 



2. Rivea ornata, Choisy, Convolv. Orient, in Mem. Soc. Phys. Genhv. 

 V. 6 (1834) p. 409. Climbing ; stems stout, terete, finely silky-pubescent 

 (especially when young) with white appressed hairs. Leaves 1^-4 in. 

 long, usually broader than long, orbicular or reniform, obtuse, often 

 apiculate or very shortly acuminate, glabrous above, more or less densely 

 white-silky beneath, base cordate ; petioles 1-3 in. long, densely silky. 

 Peduncles stout, stilf, 1-3 in, long, white-silky, 1-7-flowered ; bracts 

 oblong, acute, fleshy, caducous; buds pointed, silky at the tip ; pedicels 

 short, stout, silky, articulated to tlie peduncle. Sepals f-| in. long, 

 ovate-lanceolate, acute or subacute, fleshy, silky-pubescent outside, 

 persistent. Corolla at first white, afterwards becoming cream-colored, 

 drying yellow (Trimen), sweetly fragrant ; tube 1.4-2 iu. long ; limb 

 2-2^ in. in diam. ; lobes sljallow, emarginate. Fruit subglobose, less than 

 1 in. in diam., mucronate by the stvle-base, glabrous, polislied, brown. Fl. 

 B. I. V. 4, p. 183 ; Grab. Cat. p. 128 ; Dalz. & Gibs. p. 168; Wight, in 

 Calc. Journ. Nat. Hist. v. 8 (1847) p. 179, t. 5, fig. 1 ; Trim. Fl. Ceyl. 

 V. 3, p. 205 ; Talb. Trees, Bomb. ed. 2, p. 247 ; Woodr. in Journ. 

 Bomb. Nat. V. 12 (1898) p. 170; Watt, Diet. Econ. Prod. v. 6, part 1, 

 p. 558. — Flowers : Jidy-Sept. 



Throughout tbe Presidency in deciduous forests, not common. Konkan: Worli 

 hill (Bombay), Graham ; Salsette, Graham. Deccan: M;iwul (Poona disLric-ls), 

 Woodrow.— I) iHTRiB. India (\V. Peninsula); Ceylon. 



17. ARGYREIA, Lour. 



Climbing rarely suberect shrubs. Leaves o\ate-cordate to narrow- 

 lanceolate, usually pubescent or silky beneath. Flowers showy, j)urplc 

 or rose (rarely white), usually in many-flowered cymes, often capitate; 

 bracts often conspicuous. Sepnls 5, herbaceous, leathery and but 

 little enlarged in fruit, often red within. Corolla infundii)uliforra or 



