108 ANNALS OF THE ROYAL BOTANIC GARDEN, CALCUTTA. Korthalsia. 
Oerea  elongate—elliptieal, two or three times longer than broad. 
Leaflets conspicuously mealy-white underneath. 
/ 2. K. scaphigeroides Becc—Philippines. 
TT Leaflets elongate narrowing at apex. Ocrea large, elliptical, armed 
with very long spines. 
Leaflets linear—lanceolate having smooth, or sparingly spinous 
nerves. 
3. K. Echinometra  Becc.—Malay Penin- 
sula, Sumatra, Bangka, Borneo. 
Leaflets elongate—ensiform, copiously spinulous on the main 
nerves. 
: 4. K. horrida Bece.— Borneo. 
TTT Leaflets elongate—cuneate or cuneately rhomboidal. Ocrea very 
large, several times longer than broad, armed with short spines. 
Ocrea cylindraceous, thickly coriaceous, very long; leaflets 
elongately cuneate-rhomboidal. 
5. K. Cheb Becec.—Borneo. 
Ocrea fusiform, thinly coriaceous, leaflets narrow, very long 
cuneate. 
6. K. Scortechinii Becc.—Malay Peninsula. 
Ocrea fusiform, rather. thinly coriaceous; leaflets cuneately 
oblanceolate or cuneate-rhomboidal, acuminate. 
7. K. angustifolia Bl—Borneo. 
** Leaves furcate or formed by only two linear segments. 
s 8. K. furcata Becc— Borneo. 
II.— Ocrea not inflated. 
* Leaves (of the adult plant) having only 3 leaflets on each side of the 
eirriferous rhachis. 
Petiole very short ; leaflets cuneately oblong, besprinkled on the 
lower surface with minute ferruginous dots. 
9. K. paucijuga Becc—Borneo. 
** Leaves having 4 or more rhomboidal leaflets on each side of the 
rhachis. 
f Slender plants (sheathed stem 4-18 mm. in diam.). 
