80 



CHAMYDOBALANUS. 



the Kew and Calcutta specimens of No. 2791 (all of which are unmistakeable lancece- 

 folia) " Sylhet " is given as the habitat, and no doubt correctly. De Candolle (in Prod. 

 I.e.) quotes 2791 under lancecefolia ; but he perpetuates Wallich's error of attributing 



it to Penang instead of Sylhet. 



Plate 74. — Q. lancecefolia, Roxb. 1, flowering-branch; 2, spike of ripe acorns; 3, ripe 



acorn of var. semi-cristata, — of natural size ; 4, bracteole ; 5 & 6, male flowers ; 7, 



stamens; 8, ovaries, — all enlarged. 



74. Quercus encleisocarpa, Korth. in Verh. Nat. Gesch. Bot. 208. t. 45. 



Young parts at first pulverulent-puberulous, speedily glabrous. Leaves coriaceous, 

 oblong-lanceolate or ovate-lanceolate, acuminate, entire ; the base acute or sub-acute ; 

 upper surface glabrous, shining ; the lower glaucescent ; main nerves 7 or 8 pairs, 

 curving, prominent on the lower surface ; length of blade 3 to 5*5 in., breadth 1*5 to 

 1*75 in. ; petiole *4 in. Male spikes erect, twice as long as the leaves, in lax, terminal, 

 pubescent panicles ; flowers glomerulate, 6-cleft ; stamens 6 to 12 ; rudimentary ovary 

 large, pubescent. Female spikes (on different trees ? ) not much longer than the leaves, 

 simple, solitary, axillary; the rachis angular, glabrous; flowers solitary, rarely in twos 

 or threes, on long, flattened peduncles. Young acorns globular; adult solitary, or with 

 2 or 3 abortive at the base. Cupulea enveloping the whole glans except the very apex 

 (three- fourths in var. aperta), thin, chartaceous, closely enveloping the depressed- 

 hemispheric, conic-apiculate, pale, retroversely adpressed- sericeous glans; *8 in. in 

 diameter and *5 in. long when ripe ; pedicels *5 in. long. — Blume Mus. Lugd. Bat. 

 i. 288; DC. Prod. xvi. ii. 104; Miq. PI. Ind. Bat. i. pt. I. 862; Ann. Mus. Lugd. 

 Bat. i. 116; Wenzig in Jahrb. Bot. Gart. Berl. iv. 238; Hook PI. Br. Ind. v. 617. 



Sumatra, — Korthals, Forbes (2943); Malacca, — Maingay (1531): Perak and Penang, 

 King's Collector (1581, 2828, 5143, 5477, 5523, 5594, 5682, 5689, 7541, and 5739); up to 

 elevations of 1,000 feet. 



9 



Var. aperta, King in Hook. fit. PI, Br. Ind. v. 617. 



The upper fourth of the glans not covered by the cupule at any stage. 



Perak, — King's Collector (4855, 8303) and Scortechini {without number). 



A tree, from 60 to 80 feet high. In the typical form the upper part of the 

 cupule splits off in pieces, so that the glans may escape. In the m var. aperta the 

 upper fourth of the glans is, from the earliest stages, uncovered by the cupule. In the 

 Sumatra specimens the acorns are more ovoid and less depressed than in those from 

 the Malayan Peninsula and Penang. The species is a very distinct one. 



Plate 75. — Q. encleisocarpa, Korth. 1, flowering-branch; 2, young female spike; 

 , mature acorns; 4, young acorns of var. aperta, — ail of natural size. 



