APOCYNACEJE. 



HASSELTIA. 



Calyx 5-parted., permanent. Corolla with the tube contracted 

 in the middle ; the throat naked ; the limb campanulate, 5-parted, 

 contorted. Stamens inserted in the throat ; anthers large, cus- 

 pidate, callous at the back, adhering to the stigma. Ovary 

 double, surrounded by a fleshy ring ; styles 2 ; stigma clavate. 

 Follicles 2, distinct, long. Seeds with a stipitate coma at the 

 lower end. Blume. 



1134. H. arborea Blume Bjjdr. 1046. — Java, near Tjam- 

 piam, in the province of Buitenzorg. 



A handsome tree. Leaves oval, rather acute at each end, smooth 

 above, paler and a little downy on the under side. Flowers large, 

 yellowish white, in axillary fascicles. Blume. — In Java the milk, 

 obtained from the trunk by incision, mixed with honey, and reduced 

 with boiling water, is employed as a powerful drastic, for destroying 

 the tape worm ; it is however apt to produce inflammation of the intes- 

 tines, and is even in some cases fatal. 



VAHEA. 



Calyx very small, with 5 segments. Corolla funnel-shaped, 

 with a long tube, ventricose at the base ; limb 5-cleft, with 

 contorted segments. Style subulate ; stigma bicuspidate in an 

 orbicular fleshy disk. 



1135. V. gummifera Poir. enc. meth. suppl. v. 409. — Mada- 

 gascar. 



Branches smooth, round. Leaves moderately stalked, coriaceous, 

 ovate-elliptical, obtuse, shining, about 2 inches long. Flowers smooth, 

 pale yellow, in terminal cymes. Segments of calyx acute. Tube of 

 corolla about an inch long, with linear rather blunt segments. — Yields 

 Caoutchouc in Madagascar. 



URCEOLA. 



Calyx 5-toothed. Corolla urceolate, ovate, 5-toothed. An- 

 thers 5, sagittate, with a villous connective ; filaments inserted 

 into the base of the corolla. Disk campanulate, surrounding 

 the ovary. Ovary double ; stigma ovate, banded round the 

 middle. Follicles 2, round, leathery, wrinkled, compressed, 

 2-valved. Seeds reniform, immersed in fleshy pulp. 



1136. U. elastica Roxb. in As. res. v. 169. — Sumatra and 

 Pulo Pinang. 



A large woody climber, running over trees to a great extent. Young 

 shoots a little hairy. Leaves short-stalked, ovate-oblong, pointed, a 

 little scabrous, with a few scattered white hairs on the under side. 

 Panicles terminal, brachiate, much branched. Flowers minute, dull 

 green, hairy. — This plant yields a very fine kind of Caoutchouc, firm, 



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