372 A FLORA OF MANILA 



free from the stigma. Ovary of 2 distinct carpels; style filiform; ovules 

 very numerous, in many series. Fruit of 2, long, slender follicles. Seeds 

 linear, flattened, ciliate at both ends. 



Species about 85, tropical Africa and Asia to Australia and Polynesia, 

 about 4 in the Philippines. (In honor of Dr. Alston, an English physician.) 



1. A. scholarls (L.) R. Br. Dita (Tag.). 



A glabfous tree 6 to 20 m high with abundant milky sap, the branches 

 ■whorled. Leaves verticillate, 4 to 7 in a whorl, coriaceous, 8 to 20 cm long, 

 oblong-obovate, rounded, base acute, green and shining on the upper surface, 

 the lower surface white or grayish; nerves very numerous, parallel, hori- 

 zontal. Cymes peduncled, often umbellately branched, the whole inflores- 

 cence about 10 cm long. Flowers crowded, numerous, somewhat pubescent, 

 white, about 1 cm long, throat villous. Follicles pendulous, slender, cyl- 

 indric, 20 to 40 cm long, 4 to 6 mm in diameter. Seeds about 4 mm long, 

 the brown ciliate hairs on the ends longer than the seeds. (Fl. Filip. pi, 

 US.) 



Old Botanic Garden, fl. April; widely distributed in the Philippines. 

 Africa, tropical Asia, Malaya, and Australia. 



7. ALLAMANDA Linnaeus 



Erect or somewhat climbing shrubs, glabrous or pubescent. Leaves 

 verticillate or opposite, penninerved, usually glandular in the axils of the 

 nerves on the lower surface. Flowers large, yellow, at the ends of the 

 branches in few-flowered axillary racemes. Calyx 6-parted, the segments 

 lanceolate, exterior ones usually the larger. Corolla broadly funnel- 

 shaped, the tube narrow at the base, abruptly enlarged and campanulate 

 above, the lobes broad. Stamens inserted in the throat, the anthers free 

 from the stigma. Disk thick, fleshy. Ovary entire, 1-celled with 2 parietal 

 placentae. Fruit an ovate compressed capsule. (In honor of Dr. Aliamand, 

 a Dutch physician.) 



Species about 12 in tropical America, some now cultivated in all warm 

 countries, 



Corolla about 7 cm long 1. a. cathartioa 



Corolla about 12 cm long _ 2. A. hendereonii 



1. A. CATHARTiCA L. CampaniUa (Sp.-Fil.). 



A glabrous or somewhat pubescent, erect or subscandent shrub, 2 to 4 

 m high. Leaves in whorls of three or four, or the uppermost ones scattered, 

 lanceolate or oblanceolate, acuminate, sessile,* about 12 cm long, 2.5 to 4 

 cm wide, the upper surface shining. Flowers shortly pedicelled, yellow, 

 calyx-teeth green, somewhat spreading, lanceolate, acuminate, 1 to 1.5 cm 

 long. Corolla about 7 cm long, the slender part of the tube 3 cm long, 

 then inflated and about 2 cm in diameter, the lobes ovate or oblong-ovate, 

 spreading, rounded, about 2 cm long. (Fl. Filip. pi. SO.) 



A commonly cultivated shrub, fl. all the year, apparently subspontaneous 

 in some parts of the Philippines. A native of tropical America, now widely 

 distributed in the tropics. 



♦ 2. A. HBNUERSONII Bull. 



A glabrous shrub 2 to 4 m high, sometimes subscandent. Leaves in 

 whorls of fours, oblong-obovate to elliptic-oblong, 10 to 14 cm long, sharply 



