JOURNAL 



OF THE 



ASIATIC SOCIETY OF BENGAL 



Vol. LXXIV., Pakt II.— Extra Number, 1907. 



Materials for a Flora of the Malayan Peninsula.— By Sir George 

 King, K.C.I.E., LL.D., F.E.S., late Stipermtendent of the Boyal 

 Botanic Garden, Calcutta, and J. Sykes Gamble, C.I.E., E.E.S., 

 late of the Indian Forest Dejjartment. 



No. 19. 



This part contains three Famihes, Nos. 75 ApocynacecB and 76 

 AsclejnadacecB, both done by Mr. Gamble, with No. 77 Loganiacea, 

 done by Sir G. King, with the exception of the genus Strychnos, con- 

 tributed b}' Mr. Gamble. 



The 3 Families comprise 86 genera and 234 species. There are 

 2 new genera and 70 new species. 



Family LXXV.— APOCYNACE^. 



Trees or erect or climbing shrubs, rarely herbs ; more or less latici- 

 ferous. Leaves simple, generally opposite, sometimes whorled, rareh' 

 alternate or scattered, entire, penninerved ; stipules none or represented 

 by interpetiolar ridges or glands. Inflorescence generally of terminal 

 or pseudo-terminal or axillary cymes which are solitary or clustered in 

 2- or 3-chotomous panicles, corymbs or pseudo-umbels ; bracts usually 

 smaU and caducous ; flowers small to large, often showy, hermaphrodite, 

 regular. Calyx inferior ; tube usually very short ; lobes 5, imbricate, 

 often with (usually scale-like) glands inside near the base. Corolla gamo- 

 petalous, salver-shaped or funnel-shaped, rarely campanulate urceolate 

 or subglobose, often with scales or a ring or protuberances in the mouth 

 of the tube; lobes 5 (rarely 4), spreading, often contorted or twisted in 

 bud, rarely valvate, overlapping to the right or left (as seen from out- 

 side). Stameyis 5, rarely 4, alternate with the corolla-lobes, inserted in 

 the corolla-tube or on its mouth ; filaments short, often decurrent in 



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