70 ANNALS OF THE ROYAL BOTANIC GARDEN, CALCUTTA. Zalacca. 
c. Male panicles erect; spikes digitiform, shorter or slightly longer 
than the spathes; flowers clavate, so numerous as io conceal 
the spathels and having the division of the corolla erect (not 
spreading) during the anthesis. Seed obtusely trigonous. 
3. Z. Blumeana Mat Java. 
Fruit more or less turbinate. 
Z. Blumeana Mart. (type) Java. 
Fruit globular, very slightly narrowing to the base. 
Z. Blumeana var. Rimbo Becc- 
Sumatra. 
$$ Leaflets equidistant. Fruit turbinate, tapering to a narrow rather elongate 
base. Seeds irregular, obtusely angular, and somewhat flattened. 
4. Z. sumatrana Becc.—Sumatra. 
tt Male spikes having the spathels individually distinct, ŭe., not connate and 
not forming annular rings. Leaflets in groups. 
Bi 2 Clemensiana  Becc.— 
Mindanao. 
** Leaflets green on both surfaces. 
{Fruit clothed with appressed rhomboidal scales, having a spinuliform up- 
turned tip. 
$ Leaflets oblanceolate, narrowing to a straight base (not or very slightly 
sigmoid); the coste smooth or the mid-costa only spinulose near the apex. 
Male spikes tomentose. Fruit having a conically mammillate apex. Seed about 
twice as long as broad. 
6. Z. Wallichiana \art.—Burma, 
Tenasserim. Mergui Archip., Siam, 
Indo-China, Malay Peninsula, 
Penang. 
$$ Leaflets having a distinctly sigmoid base, and smooth coste. Male spikes 
glabrous. Fruit very suddenly contracted into a long beak. 
7. Z. glabrescens Grif.—Malay 
Peninsula, Penang. 
tft Fruit clothed with spreading lanceolate thick subulate scales. 
