y».<^? Ul«lc^ 



690 MONOECIA MONADELPHIA. RlcinUS, 



Icena Cynthia,) are fed. See Transactions of the LinrKean 

 Society, vol. vii. p. 42. 



, 2. R. mappa. Linn, sp, pi. 1430. 



Dioecous. Leaves peltate, cordate, entire, acute. Spikes 

 paiiicled. 



Acnlyphn Mappa. Willd. iv. 526. 



Folium Mappa. Rumph. Amb. iii. t. 108. 



One plant of this, a handsome small tr^e;, with hitherto 

 male blossoms, sprung up amongst some plants from Am- 

 boyna, introduced into the Botanic garden in 1798, where it 

 flowers in July. 



Trunk straight and perfectly erect. Bark and large 

 branches, smooth and ash-coloured. Branches tending to be 

 verticelled, ascending and spreading. Branchlets round, 

 smooth, and glaucous. Height of the tree, now eleven years 

 old, thirty-five feet. Leaves alternate, petioled, cordate, pel- 

 tate, margins slightly waved, smooth on both sides, but very 

 paler-coloured underneath, from numerous most minute, 

 whitish dots. There are generally two, or three lanceolate 

 smooth glands in as many of the smallest superior nerves ; 

 veins numerous, from six to twenty-four inches long, and near- 

 ly of the same breadth. Petioles nearly as long as the leaves, 

 round, smooth, glaucous. Stipules cordate, reniform, acute, 

 glaucous. Panicles of male flowers, axillary, erect, ramifi- 

 cation alternate. Bractes alternate, sessile, cordate, concave, 

 dentate, ciliate, many-flowered. Flowers numerous, very 

 small, pale green. Calyx two-leaved, or deeply two-part- 

 ed, reflexed. Corol none. 



3. R. dicoccus. Roxb. 



Arboreous. Leaves cordate, often lobate, repand-serrate. 

 Racemes terminal, panicled. Capsules smooth, dicoccous. 



Folium calcosum. Rumph. Amb. iv. p. 129. t. 64. 



Some plants were received into the Botanic garden at Cal- 

 cutta from Amboyna in 1798. Now, in 1808 they have grown 



