102 
PACIFIC SCIENCE, VoL XXII, January 1968 
had chewed off part of the base), 2.8-4. 1 cm 
wide, 2. 2-3. 2 cm thick (but doubles 5.6 cm 
wide and with 6 cells), brown, cuneate, 5-6- 
angled, when mature "red,” upper y 5 free, 
the sides flat, the apex low convex (or semi- 
orbicular), smooth, shining, when almost ma- 
ture with apical central sinus short, separate, 
0.5-2 mm deep, but when fully mature with 
the sinuses confluent and 5-6 mm deep ; carpels 
2-6; stigmas 4-9 mm wide, cordate to oblate 
reniform, brown, papillose, centripetal, on the 
green phalanges horizontal and flush, but on 
the dried fallen ones oblique and salient; endo- 
carp supramedian, brown, bony, the lateral walls 
1 mm thick, smooth and shiny within, with 
lateral shoulders; apical mesocarp with heavy 
fibers and continous pith; basal mesocarp 
fibrous and fleshy. 
STAMINATE plant (St. John 26,548 ): Tree 
7 m tall, 10 cm in diameter, bark brown, with 
short conic spines; branchlets 3 cm in diameter; 
prop roots few, 1 m long, 4 cm in diameter; 
leaves 1.5 m long, 5.8 cm wide, similar to 
those of the pistillate trees except at midsection 
with 41 parallel secondary veins in each half, 
and there the margins with subulate-serrae 
1.2-1. 5 mm long, 3-6 cm apart; subulate apex 
5 cm long and at base 4 mm wide; staminate 
inflorescence 50 cm long, pendent; peduncle 
10 cm long, fleshy; bracts mostly white, the 
lowest floral one at base for 20 cm lance- 
elliptic, dilated, papyraceous, white, 6 cm wide, 
the apex 60 cm long, 4 cm wide, sword-shaped, 
coriaceous, green, with the margins and mid- 
rib below serrate; median bract 11.5 cm long, 
5 cm wide, oblong-elliptic, white, papyraceous, 
the margins and midrib below fimbriate, the 
teeth subulate, 0.5-1 mm long, crowded; spikes 
about 13 and 5-12 cm long, 2 cm in diameter, 
dense; fascicles dense, 6-9 mm long, with 5-7 
stamens; column 5-6 mm long, umbellate; free 
filament tips 2.5-4 mm long, anthers 2.3-3 mm 
long, narrowly oblong, bearing a subulate pro- 
jection of the connective 0.15-0.2 mm long. 
holotypus: lies Comores, lie Mayotte, 5 
km SW of Mamoutzou, in forest along stream, 
10 m alt, Aug. 19, 1961, H. St. John 26,549 
(bish). 
Fig. 246. Pandanus mayotteensis St. John, from holotype. Left, 
ucc imuii; 
ing syncarp. 
