or CEYLON PLANTS. 69 



2-3 lin. longisj calycis segraentis ovato-oblongis. — No. 2646, in Her- 

 bario Peradeniensi. 



Hab. a large tree, occurring in tte Ambagamowa forests, at an eleva- 

 tion of about 4000 feet- In fruit in December, 



B. Stemonoporus rigidus^ Thw. \ foliis rigidissirais oblongis obtusis basi 



subrotundatis aliquando cuneatis 3^-5^ poll, longis Ij— 2^ poll. 



latis, petiolis 6 lin. longis, pedunculis brevissimis 1-3-floris, pedi- 



cellis 2 lin. longis, calycis segmentis ovato-oblongis obtusis. — C.P. 



No. 2645, in Herbario Peradeniensi. 

 Hab. Occurs sparingly in the Ambagamowa district; flowering in 



December. 



This bears some resemblance to S, ohlongifolius^ but the leaves are 

 more rigid and more strongly veined ; the primary veins are also more 

 numerous and closer. 



Nov. Gen. II. Monoporandra, The. Nat. Ord. Dipterocarpese. 



Char. Gen. Calyx 5-partitus, laciniis sequalibus; fructiferis vix auctis. 

 Corolla petala 5, sequalia, gestivatione convoluta. Stamina 5, 1-se- 

 riata, monadelpha ; filamenta in annulum brevem ovarium cingentem 

 coalita ; aniJiera oblongse, introrsae, singulas poro terminali dehis- 

 centes, connectivo non producto. Ovarium liberum, 2-loculare; lo- 

 culis bi-ovulatis ; ov^ila ex apice anguli centralis collateraliter pen- 

 dula, hemianatropa. Stylus filiformis, simples. Stigma simplex. 

 Frucius ut in genere prsecedente, sed dimidio minor. — Arbores Zey- 

 lanicse, mediocres; foliis alternis, ititegerrimis^ rigidis^ acuminatis; flori- 

 bus axillarihis i paniculatis vel suholiiariis^Jlavescenlidus, 4-5 lin, lails. 



1. Monoporandra elegans, Thw. ; foliis lanceolatis longe acuminatis 

 basi subrotundatis 2^ poll, longis (acumine f poll. longo) 1 poll, 

 latis, venis primariis supra prominentibus, petiolis 4 lin. longis, ca- 

 lycis segmentis lanceolato-linearibus. (Tab. IL B.) C.P. No. 371, 

 in Herbario Peradeniensi. 



Hab. a moderate-sized tree, occurring in some abundance in the Saf- 

 fragam district, at the base of Adam's Peak, at an elevation of about 



2000 feet. 



Plate II. B. Pig. I- Flowering branch of Monoporandra elegans, 

 Thw. 2. One of the petals. 8. The five stamens. 4. Stamen, more 

 MgJily magnified. 5. Longitudinal section of ovary. 6. Transverse sec- 

 tion of ovaiy. 7. Pruit i—all hut jig. 1 and 7 magnifed. 



