Buddleia.] LIII. LOGANIACE^.. 319 



dentate and deeply cut ; Made 4-6 in., petiole ^-1| in. long. Flowers sub- 

 sessile, white, fragrant, in bracteate, generally pedunculate clusters, form- 

 ing irregular terminal, leaf -bearing panicles. Bracts linear, generally 

 longer than flowers. Corolla densely tomentose outside, tube cylindrical, 

 twice the length of calyx, lobes rounded, obtuse. 



Himalaya, Indus to Bhutan, ascending to 7000 ft. Afghanistan. Beluchistan. 



Order LIV. APOCYNEiE, 



Trees, shrubs, twiners, rarely perennial herbs, the juice frequently 

 milky. Leaves entire, opposite or whorled, very rarely alternate, without 

 stipules, or with small glandlike intrapetiolar or interpetiolar stipules. 

 Flowers regular, usually cymose. Calyx free, divided nearly or quite to 

 the base into 5 segments or sepals, generally imbricate in bud. Corolla 

 hypogynous, gamopetalous, with 5 spreading lobes, contorted, rarely val- 

 vate in bud, the throat hairy inside, or closed with a corona of scales. 

 Stamens 5, inserted in the tube, alternating with the corolla-lobes ; anthers 

 erect, 2-ceUed, the cells opening inward in longitudinal shts, the pollen 

 not collected in masses. PistU dicarpellary ; the carpels either distinct 

 below, or united in a 2-celled ovary with axile placentas, or in a l-ceUed 

 ovary with parietal placentas ; ovules few or more generally numerous ; 

 style single or 2 distinct styles ; stigma usually thickened. Seeds often 

 bearing a coma or tuft of long hairs, usually albuminous, embryo straight. 

 — Eoyle lU. 269 ; Wight lU. ii. 160. 



Fruit a fleshy indehisceut berry, generally 1 - 4 - seeded ; 



leaves opposite ; spines axillary .... 1. Caeissa. 

 Fruit a large subglobose drupe, with hard fibrous endocarp ; 



leaves alternate, crowded at the ends of branches . 2. Cerbbka. 

 Fruit of 2 many-seeded follicles, distinct from the begin- 

 ning, or separating when ripe. 

 Seeds naked, angular, embedded in pulp ; leaves opposite 3. TABBENiEMOKTANA. 

 Seeds naked, winged ; leaves alternate, sessile . . 4. Rhazva. 

 Seeds naked, winged ; leaves alternate, petiolate, crowded 



at the ends of branches 5. Plttmeria. 



Seeds with a tuft of hairs at the lower end—that is, the 

 end opposite the hilum ; leaves opposite ; stamens 



exserted 6. Weightia. 



Seeds flat, attached in the middle, with a fringe of hairs 

 all round ; and prominent tufts at the ends ; leaves 



whorled 7- Alstonia. 



Seeds with a tuft of hairs at the hilum— that is, at the 

 upper end ; corolla without appendices. 

 A small tree, not climbing ; fruit of 2 distinct follicles 8. Holaeehena. 

 Climbers ; fruit of 2 distinct follicles ... 9. Iohnooarptts. 

 Climbers ; fruit a long cylindrical, 2-valved capsule, 

 separating into 2 follicles when ripe. 

 Glabrous ; corolla- tube short cylindrical ; limb | in. 



across .10. Vallaeis. 



Tomentose; corolla hypocrateriform, Umb 2-3 in. 



across !!• Chonemoepha. 



Seeds pubescent all over, and with a tuft of hairs at the 

 hilum ; a corona of 5 laciniated appendices opposite 

 to the corolla-lobes 12. Nbeium. 



