2oO Systematik und Pflanzengeographie. 



Fruit globular ; involucrae with coarse, short, blunt, irregulär, 

 scattered tubercles. 70. Qu. conpagosa King. 



Fruit ovoid ; involucre with scattered subligneous, reflexed, subulate 

 tubercles. 71. Qu. reflexa Korth. 



Fruit ovoid-complanate, oblique, involucral tubercles short, stont, 

 sometimes sub-zonate. 72. Qu. Junghuhnii Miq. 



Involucres zonate, not tuberculate. 



Fruit ovoid or ovoid-globose. 73. Qu. lanceaefolia Roxb- 



Fruit depressed-hemispheric. 74. Qu. enclaisocarpa Korth. 



6, Sectio n : VI. Lithoearpus. 



Spikes erect, styles and leaves as in Pasania. Involucres large, thick, 

 woody, ovoid or subglobose, concentrically or obliquely zonate, or tubercled, 

 completely enveloping the glans (except in costata and rotundata where 

 the apex is naked), and more or less adheriag to it, not dehiscent ; peri- 

 carp of glans osseous or granulär, not published where adherent to its 

 involucre. 



Cupule zonate. 



Acorus inuch broader at the apex than at the base. 



Apex naked, shining. 75. Qu. costata Blume. 



Apex covered by the umbonate involucre. 



70. Qu. Maingayü Benth. 

 Acorus ovoid-spheroid, narrowed towards the apex. 



Leaves pale and minutely tomentose on the lower surface. 



77. Qu. Beccariana Benth. 

 Leaves glabrous, their surfaces concolorous. 



78. Qu. Javensis Miq. 

 Cupule tubercled, not zonate. 



Glans enterily covered by the involucre. 79. Qu. xylocarpa Kurz. 

 Apex of glans not covered by the involucre. 



Female rlowers in threes, connate in fruit, one or more 

 aborting. 80. Qu. truncata King. 



Female fiower solitary. 



Cupule minutely tubercled only in its upper third; the 

 lower part smooth. 81. Qu. rotundata Blume. 



Cupule everywhere boldly tubercled. 



82. Qu. pulchra nov. spec. 



Als zweifelhafte oder ungenügend bekannte Arten führt King 



folgende auf, von denen sich nur Qu. Listeri King abgebildet findet, 



während sämmtliche sonst angegebenen Species durch vortreffliche Tafeln 



gekennzeichnet sind. 



Lithoearpus angustifolius? Miq., Quercus crassinervia Blume, Qu. cyrtopoda 

 Miq., Qu. fdivaricata Lindl., Qu. gemelliflora Blume, Qu. glutinosa Blume, Qu. 

 gracilis Korth, Qu. Jenkinsii Benth., Qu. leptogyne Korth, Qu. Listeri King, Qu. 

 littoralis Blume, Qu. mixta DC, Qu. Mölucca Rumpf, Qu. nitida Blume, Qu. oli- 

 qoneura Korth, Qu. olla Kurz, Qu. oogyne Miq., Qu. Pinanga Blume, Qu. plumhea 

 Blume, Qu. sphacelata Blume, Qu. urceolaris Jack. 

 Castanopsis. 



Habit and character of Quercus Sect. Chlamydobalanus except, that the 

 fruiting-involucre is more or less spiny or tubercular externatly, often 

 splits irregularly and contains 1 — 4 nuts. 



Fruit ovoid or globose (sometimes transversely elongate in C. catappae- 

 folia), the involucre dehiscent, spiny. 



Walls of involucre completely hidden by subulate epines. 



Leaves pubescent or minutely tomentose on the lower surface. 

 Edges of leaves serrate at all ages. 



Leaves rufous beneath; nerves 14 — 16 pairs. 



1. G. Indica A. DC. 

 Leaves pale beneath, nerves 10 — 12 pairs. 



2. C. Clarkei King. 

 Edges of leaves serrate when yonng, sometimes entire when 

 adult; nerves 7—9 pairs. 3. C. hystrix A. DC. 



