376 A FLORA OP MANILA 



1. Filaments united; pollen-masses waxy, 1 or 2 in each anther-cell. 

 2. Pollen-masses pendulous. 

 3. Erect herbs with showy red and orange-yellow flowers.... 3. Asclepias 



3. Twining slender vines with small flowers 4. Ischnostemma 



2. Pollen-masses erect. 

 3. Corolla-lobes imbricate. 



4. Corona borne on the corolla-tube 5. Gymnema 



4. Corona borne on the staminal-tube. 



5. Corolla rotate or somewhat companulate 6. Tylophora, 



5. Corolla somewhat salvef-shaped, the tube swollen below. 



7. Teloama 

 3. Corolla-lobes vsflvate; mostly epiphytic vines with abundant milky 

 juice, and thick, fleshy leaves. 

 4. Staminal-column not appendaged on the back.... 8. Conchophyllum 

 4. Staminal-column appendaged on the back. 

 5. Corolla rotate; corona stellate, the lower lobes erect or spread- 

 ing, the upper ones beaked 9. Hoya 



5. Corolla urceolate or cylindric; corona-processes vary thin. 



10. Diaehidia 

 11. CRYPTOSTEGIA R. Brown. 



Climbing woody vines with opposite shining leaves. Flowers large, 

 showy, in few-flowered, terminal, dichotomous or trichotomous cymes. Se- 

 pals lanceolate. Corolla funnel-shaped, the tube short, the limb campanu- 

 late, with 5 broad lobes. Coronal-scales at the base of the throat, subulate, 

 entire or 2-cleft. Filaments short; anthers adnate to the stigma, acute; 

 pollen-masses in pairs in each cell. Follicles thick, divaricate, hard, 3- 

 winged, furrowed between the wings. Seeds comose. (Greek "conceal" 

 and "cover.") 



Species 2, tropical Asia and Africa, 1 introduced in the Philippines. 



• 1. C. GRANDIFLOKA (Roxb.) R. Br. 



A stout woody vine, glabrous or nearly so. Leaves oblong-ovate to 

 elliptic-ovate, acuminate, 6 to 10 cm long, base rounded. Cymes short. 

 Sepals green, about 8 mm long. Corolla pale-purple, about 4 cm long, ofteij 

 wider than long. Follicles 10 to 12 cm long, woody. 



Occasionally cultivated, fl. Aug.-Sept., and probably in other months, of 

 recent introduction here. Supposed to be a native of Madagascar or tropical 

 Africa, cultivated in India and in many other tropical countries. 



2. STREPTOCAULON Wight & Arnott 



Twining, pubescent, somewhat woody vines, usually slender. Leaves 

 opposite. Flowers small, numerous, in axillary, lax, panicled cymes. Calyx 

 small, 5-partite, with 5 scales within at the base. Corolla rotate, the tube 

 very short, the lobes ovate, slightly imbricate. Corona-processes filiform, 

 adnate to the backs of the filaments. Stamens inserted at the base of 

 the corolla, alternating with muiute glands; anthers oblong, adherent to 

 the style-apex; appendages small, triangular, connate over the apex of the 

 style; pollen-masses 2 in each cell. Ovary of 2 distinct carpels; style short. 

 Follicles in pairs, divaricate, slender, pubescent. Seeds flattened, keeled 'on 

 the lower surface; coma white, silky. (Greek "to twist"' and "stem.") 



Species about 7, India to Malaya, 2 in the Philippines. 



