Genus xiii. alstonia. 



JPentKtadria nioiiog;ynl». Sex: Synh 



beriv. Named after Dr. Alston, Professor of Meditirie in 

 Edinburgh. 



Gen. Char. Calyx 5-partite, without glands : corolla cup- 

 shaped, usually pubescent outside : tube cylindric, without scales : 

 stamens insetted at the middle or above the middle of the tube : 

 filaments very short : anthers oblong-lanceolate, cordate at thfe 

 baSe : ovaries two : ovules nutnelrousi compressed : stigma ovoid, 

 2-lobed at the apex: follicles tWo, long: seeds bblong, comose at 

 both ends, skin rough : albumen sparing : radicle superior : coty- 

 ledons oblong, smooth. 



(1) A. scHOLARis, (R. Br.) 



Ideni. Dec. prod. VHI. p. 408. 

 Syn. Echites scholaris, Linn. 



Engra'B. Wight's Iconi t. 422.— Rheede Mai. I. t. 45.— 

 Rumph. Amb. II. t. 82. 



Spec ChAS.. Large tree : leaves v^rticelled, 5-7, obovSte-oblong, 

 acute at the base, obtuse at the apex, glabrous, shining above : cymes 

 globosfe, Composite, many-flowered : peduncles pubescent : flowers 

 greenish-white, subsessile, fascicled, pubescent : margin of the 

 corolla slightly hairy : follicles very long. 



Coromandel. Travahcore. Hilly pSrts of the Concan. Bengal 

 as far north as Mirzapore. Flowering in Jabuary and February. 

 The flowers effiit a piiculiar sickening smell, which p6rVades the 

 Virhole air about sunset. The bark is a powerful tonic, and the wood 

 as bitter as Gentian. 



(2) A. VENENATA. (R. Br.) 



Ident. R. JBrown. Mem. Wern. Soc. I. p. 75. 



Syn. Blaberopus venenatus, Dec. 'prod. VlII. p. 411. — Echites 

 venenata, Roxb. H. B. p. 20. 



Engrav. \^ght's Icon. t. 456. — todd. Bot. Cat. t. 180. 



Spec. Char. Large tree : leaves in fours, oblong-lanceolate, 

 acuminated at both ends : follicles shorter than the leaf, attenuated 

 at both ends : calycine lobes ovate-acute : flowers largish, pure 

 white. 



Peninsula. Bengal. Flowering nearly all the year. The juice 

 of the tree is highly poisonous. 



