Systematik und Pfianaengeographie. 281 



Edges of leaves entire. 



Leaves distinctly dimorphous. 4. C. diversifolia King. 



Leaves not dimorphous. 



Leaves ovate-obiong, to obovate-oblong, with 11 — 15 

 pairs of tomentose nerves. 5. C. Moitleyana nov. spec. 

 Leaves elliptic-oblong to elliptic, with 12 to 16 pairs 

 of nerves ; olivaceous when dry. 



6. C. Twngumd A. DC. 



Leaves ovate-lanceolate or oblong- lanceolate , with 



9 — 12 pairs of nerves ; under surface rufous or cinna- 



momeons. 7. C. Javanica A. DC. 



Leaves glabrous on both sürfaces (or very minutely pubescent 



beneath in catappaefoh'a. 



Leaves 4 — 8,5 in. hmg, lanceolate, obianceolate to elliptic- 

 lanceoiate, glaucous beneath. 8. C. argentea A. DC. 



Leaves less than 4 in. long, lanceolate not glaucous. 



9. C. Borneensis nov. spec. 

 Leaves ovate, oblong or obovate-oblong, not more than 12 in. 

 long, invoiucre ovoid, 1,25 in. long, not simple. 



10. C. castanicarpa Spach. 

 Leaves obianceolate, 18 — 20 in. long, invoiucre sub-globose 

 or transversely oblong, obscurely angled, 1,5 in. in diameter. 



11. C. catappaefolia King. 

 Walls of invoiucre bearing spines in tufts or ridges, but not comple- 

 tely hidden by than. 



Spines in tufts, leaves glabrous, entire. 



12. C. argyroptiylla King. 

 Spines in ridges. 



Leaves glabrous, entire. 13. C. armata Spach. 



Leaves with cinereous or ferrugineous pubescence, beneath, 



entire or serrate towards the apex. 14. O. tribuloides A. DC. 



Fruit subglobose to sub-ovoid, more or less depressed, sometimes ob- 



scurely angled: walls of invoiucre bearing transverse tuberculate zones ; 



nuts usually more than one. 



Leaves thinly coriaceus, with 10-12 pairs of nerves; invoiucre 



without vertical grooves, its transverse . ridges faintly tuberculate, 



dehiscing irregularly or not at all. 15. C. Sumatrana A. DC. 



Leaves coriaceous with 16 to 20 nerves, grooved vertically and 



with 3 or 4 new prominent, wavy, tuberculate, horizontal zones 



dehiscence 4 valvulär. 16. C. Hullettii King 



Fruit sub-globose, complanate, indehiscent / invoiucre inseparable from 



the solitarj r glans, the flat surface smooth ; the rest of the exterior with 



short prismatic or patelliform spines or tubercles, or with interrupted 



vertical ridges. 



Leaves glabrous on both sürfaces. 



Leaves coriaceous, elliptic-lanceolate, with 7 — 9 pairs of nerves, 

 nuts 1 — 3, ovoid, complanate. 17. C. Schefferiana Hance. 



Leaves thinly coriaceous, ovate-elliptic or elliptic-oblong, with 

 7 — 8 pairs of nerves, nut solitary. 18. C. rhamnifolia A. DC. 

 Leaves flocculent, pubescent, beneath, coriaceous, lanceolate or 

 ovf te-lanceolate, with 6 — 7 pairs of nerves, nuts solitary. 



19. C. Wallichii King. 



Fruit with patelliform tubercles; leaves minutely furfuraceous, pubescent 



beneath. 20. C. nepheloides King. 



Fruit with interrupted vertical ridges. 21. C. Curtisii nov. spec. 



Species o? which the ripe fruit is unknown. 22. C. Buruana Miq. 



In diesem zweiten Theile ist nur die englische Sprache verwandt 

 worden, selbst die Diagnosen der einzelnen Arten sind darin abgefasst. 



Die Tafeln bilden eine ungemein werthvolle Bereicherung der bota- 

 nischen Abbildungen. 



E Roth (Halle a. S.) 



