412 Flora of the Malayan Peninsula. 
to mere lines, sometimes tubercular or spinous; pericarp crustaceous 
coriaceous Or woody, surmounted by an umbo consisting of the 
persistent styles, adherent to the cupule at the base or sometimes 
entirely. Seed 1, testa membranous, cotyledons fleshy, plano- 
convex or sinuous, sometimes indented star-like by protuberances 
of the endocarp.—Distris. Chiefly of the Malay Peninsula and 
Archipelago and the Pacific Islands, about 100 species (Prantl). 
Cupules with imbricate scales, their apices free, acorns 
much exsert (Sect. I. EUpAsantA). 
Mature cupules shaggy with rather long (to 5 
mm.) soft spreading scales. 
Cupules thin, enclosing most of the acorn; 
acorn densely silky; leaves membranous, 
oblong-lanceolate or -oblanceolate, caudate- 
acuminate, 10—25 cm. long, pubescent on 
midrib and nerves .. a - .. Ll. P. lappacea. 
Cupules thick, large, enclosing about two- 
thirds of the acorn; acorn large, tawny-vel- 
vety; leaves very coriaceous, ovate, ob- 
tusely acute, 6—12 cm. long, glabrous 
Cupules saucer-shaped, the margins incurved, 
enclosing only the base of the acorn; acorn 
cylindro-globular, depressed, 2°5 cm. in 
diam. ; leaves coriaceous, oblong or elliptic, 
obtuse or acute, 10—20 cm. long, glabrous.. 3. P. Scortechinii. 
bo 
P. Kingiana. 
Mature cupules with more or less adpressed, 
small, imbricate, acute or apiculate scales. 
Cupules hemispheric, 12 mm. in diam.; acorns 
narrowly cylindric-conic, 2°5 cm. long. 
prominently umbonate; leaves thinly cori- 
aceous, more or less oblong, acute, glabres- 
cent except on the midrib and nerves -.. 4 P. Kunstler. 
Cupules saucer-shaped, the scales imbricate- 
Scales not at all arranged in rings; 
acorns glabrous, in conspicuous close 
spikes; leaves coriaceous. 
Acorns ovoid-conic to depressed- 
globose; leaves variable. rather 
large, acuminate, 10—30 cm. long 
by 4—10 em. broad, glabrous .. 5. P. spicata. 
Acorns globose-conic; leaves ellip- 
tic-oblong, caudate-acuminate, 
very large, 20—40 em. long by 6 
—18 cm. broad, glabrous .. 6. PB. grandifrons. 
Acorns ovoid-cylindric ; leaves ob- 
long, cuspidate-acuminate, 20 
