a 
, 
Flora of the Malayan Peninsula. 415 
oblanceolate, long caudate- 
acuminate, 15—20 cm. long, 
4—6 em. broad .. 
Lamelle many, about 8—l0, 
the lower ones broad: leaves 
elliptic-oblong or oblanceolate, 
shortly obtusely acuminate, 
5—13 em. long, 2—4 cm. 
broad . - 
Acorn 3—4 cm. in diam.; leaves 
very coriaceous. 
Lamellae S8—13, thick and 
prominently annulate: acorn 
glabrous, hardly depressed ;: 
leaves oblanceolate, obtuse or 
emarginate, cuneate, S8—20 
em. long, glabrous beneath... 
Lamellae about 10, rounded, in- 
distinct and irregular, wavy : 
acorn tomentose, much de- 
pressed; leaves oblong, acu- 
minate at apex and base, 15 
—30 cm. long, minutely to- 
mentose beneath 
Lamelle about 5, acute, more or 
less oblique ; acorn very large, 
glabrous, much depressed; 
leaves elliptic-oblong or -lan- 
ceolate, caudate-acuminate, 
10—20 ecm. long, glaucescent 
beneath 
Cupules combined usually in threes, sometimes 
less, sometimes more, together, apparently 
several developed: leaves large, lanceelate, very 
coriaceous. . ae ec : 
Cupules enveloping the whole acorn except the umbo, 
but not adnate to it except at base; with scales or 
tubercles or spines or merely ringed (Sect. III. 
CHLAMYDOBALANUS). 
Cupules with appressed scales; leaves coriaceous, 
entire, more or less elliptic ; acorns velvety. 
Cupules always thin; acorns depressed-turbi- 
nate; main nerves of leaves 12—14 pairs .. 
Cupules thin when half ripe, thick tubercled 
when mature; acorns globose; main nerves 
6—8 pairs Dc me 
| Cupules with spreading spines; leaves more or 
| less lanceolate ; acorns pubescent or silky. 
) 
. 21. P. Clementiana. 
. 22 P. Omalokos. 
23. P. lucida. 
. 24. P. cyclophora. 
. 25. P. costata. 
. 26. P. lampadaria. 
27. P. Blumeana. 
. 28. P. confragosa. 
