ANNALS OF THE ROYAL BOTANIC GARDEN, CALCUTTA. 
s.—Leaflets very narrow. 
var. angustifolius—Malay Peninsula. 
e—Leaflets numerous 12—13 on each side of the rhachis. 
fe lf, Qa marya 
AD UILILICLEI 1 Che 
=- 
VAR. 
É—Stem more robust than in type; leaf-sheaths powerfully armed. 
var. borneensis—Bornco, Sarawak. 
7.—Leaves elongate, leaflets 15—17 on each side of. the rhachis, exactly 
opposite and horizontal. 
VAR. divaricatus—Dutch Borneo. 
DESCRIPTION OF PLATE I. A. 
1—4.  Ceratolobus glaucescens Bl.—Fig. 1. Extremity of a branchlet from a 
female spadix ; a, female flower; b, neuter flower; c, spathel; d, involuero- 
phorum; ‘e, involucre.—Fig. 2. Extremity of. a branchelet from a male 
spadix ; c, spathel; d, involucre.—Fig. 3. Partial section of a female flower 
showing the pistil entire; d, involucrophorum; e, involucre; f, calyx; g, 
staminodes.—Fig. 4. Partial section of a male flower showing the entire 
androecium (Fig. i—4 enlarged 10 diam.). 
Fig. 5—7. Ceratolobus concolor Bl.—Fig. 5. Seed from the chalazal fovea side. — 
Fig. 6. The same from the antiraphal side. —Fig. 7. 
Longitudinal section of 
the same (all enlarged 2 diam.). 
