2-1'G S. Kiirz — Conirihutlons towards a [No. 2, 



Allamanda, Corolla-throat with scales, the anthers included in the tube ; albu- 

 men scanty. Erect shrubs, with showy 5-merous flowers. 

 * * Ovary 1-celled, ivith axile placentas. 



X Corolla-throat furnished with 5 or 10 scales or appendages. Disk 

 none. 

 Thevetia. Calyx many-glanded inside. Drupe unequally 2-celled, not pulpy. 

 Trees or shrubs, with large flowers. 



Melodinus. Calyx glandless inside. Drupe incompletely 2-celled, the seeds in 

 pulp. Albumen fleshy. Scandent shrubs. 

 X X Corolla-throat naked. 

 Carissa. Corolla salver-shaped, hairy within. Style short or filiform. Ovary- 

 cells 1—4, rarely many-ovuled, the ovules in 2 rows. Berry 3 — 1-cclled, sappy. 

 Albumen fleshy. Shrubs or trees, usually spiny-armed. 



WiNCHiA. Apparently like preceding, but the style deeply 2-cleft and the ovules 

 in numerous rows. Unarmed, with ternary leaves. 



Trib. 3. PL UMERIE^. Ovary consisting of 2 more or less distinct carpels, 

 each with a single placenta. 



* Fruit-carpels indeJiiscent, not follicular . 



X Calyx gamosepalous. 

 Rauwolfia. Calyx toothed. Corolla elongate-funnel-shaped. Disk cupular or 

 annular. Drupes sappy, usually connate at the base or up to the middle. Albumen 

 fleshy. Herbs, under-shrubs, or shrubs. 



OcHRosiA. Calyx toothed or lobed. Disk none or obsolete. Drupes usually pair- 

 ed, fleshy-fibrous. Trees or shrubs. 



X X Sepals free, reflexed. 

 Cerbera. Calyx glandless inside. Disk none. Drupes usually single by abor- 

 tion, fibrose-woody. Trees. 



* * Fruit-carpels follicular^ dehiscing along the ventral suture; rarely indehis- 



cent. Corolla-throat naked. 

 X Seeds in no way winged nor hairy-fringed, 

 t Seeds not imbedded in pulp. 

 % Albumen none. 

 KorsiA. Follicle elliptical to oblong, indehiscent, l-seeded. Trees. 

 Calpicarpum. Follicle broad, obliquely truncate, slowly dehiscing, l-seeded. 

 Shrubs. 



X X Albumen present. 

 ViNCA. Follicle elongate-linear, continuous, many-seeded. Albumen fleshy. 

 Erect shrubs or under-shrubs. 



Gynopogon. Follicle elongate, moniliform-contracted between the seeds. Albu- 

 men horny, homogeneous. Shrubs, more or less twining. 

 HuNTERiA. As preceding, but albumen ruminate. 



t t Seeds imbedded in pulp. 

 Tabernjemontana. Follicles continuous, several-seeded. Albumen none. Disk 

 none. Erect shrubs. 



X X Seeds winged or hairy- fringed.. 

 Plumieria. Disk none or fleshy and adnate to the calyx. Follicles elongate, 

 many-seeded. Seeds winged. Albumen none. Fleshy trees. 



Alstonia. Corolla salver-shaped. Anthers included. Seeds fringed all along 

 the borders, more so at both extremities. Albumen scanty. Trees or shrubs. 



