380 PENTANDRIA MONOGYNIA. Triostetim. 



cup sub-cylindric, with five minute, linear, ciliate, erect toothlets. — 

 Carol yellowish-white, infundibuliform, half an inch long; tube gib- 

 bous and pubescent at the base, villous within ; the protuberance 

 obtuse, pointing outward; throat somewhat widening; border sub- 

 equal, spreading, divided into rive ovate, obtuse, ciliate lacinia?. 

 Filaments smooth, inseited immediately under the throat, about the 

 length of the limb, somewhat spreading; rather unequal. Anthers 

 linear, versatile, Ovaria two, ovate, distinct, but covered by a com- 

 mon membrane, so as to appear as if there was only one, which at 

 the vertex bears two divergent calyces; three-celled, cells with three- 

 pendulous ovula. — Style hairy, about the length of the stamina. 

 JStig?na small, globular— -Uem'es loosely covered with the common 

 membrane of the ovaria, small ; I have not seen them in a ripe state. 



TRIOSTEUM. Schreb. Gen. 520. 

 Calyx five-parted, equalling the one petalled corol. Corol with 

 the bofder divided into five sub-equal segments. Berry inferior* 

 one-celled. Seeds from three to five, pyrenous. 



1. T. hirsutum, R. 



Shrubby, hirsute. Leaves short petioled, lanceolar, entire, acumi- 

 nate. Floxeers axillary, sessile, much shorter than their numerous 

 lanceolar biactes. Berries five-seeded. 



A native of Chittagong, where it flowers during the hot season; 

 seed ripe in June and July. 



2. T. himaluyanum, Wall. 



Covered with long hairs. Leaves obovate, acute, connate at the 

 base, the lowermost free. Raceme terminal, verticilled. 



Brought from Gosain Than by my plant-collectors, in fruit in 

 August. It grows on very high and exposed rocks. 



Root thick and woody, perennial. — Stem erect, round, as thick as 

 a swan's quill, becoming slenderer at the apex, from two to three 

 feet high, undivided, as well as the leaves densely beset with large, 

 distinct, spreading, rather soft, shining, silvery hairs. — Leaves twice 

 as long as their interstices, very spreading, membranous, sub-de- 

 cussate, from six to eight inches long, obovate, rounded at the end, 



