CONVOLVULACEAE 391 



4. I. digltata L. (7. paniculata R. Br.). 



A large,^abrous, perennial climber from stout, somewhat fleshy roots. 

 Leaves palmately 5- or 7-lobed, base cordate, orbicular in outline, 5 to IB 

 cm long, the lobes often reaching nearly to the base, usually lanceolate. 

 Peduncles axillary, equaling or longer than the petioles, cymosely 3- to 5- 

 flowered. Sepals ovate, concave, 1 cm long. Corolla pink-purple, widely 

 campanulate, glabrous, about 6 cm long. Capsule ovoid, 1 cm long or 

 less, 4-celled, 4-valved. (Fl Filip. pi. 81, Convolvulus paniculatua.) 



In thickets, Singalon, Pasay, etc., not common, fl. Aug.-Oct. Apparently 

 rare in the Philippines and only near the sea. Tropics generally. 



• 5. I. CAIBICA (L.) Sweet. (7. palmata Forsk.). 



A perennial, somewhat woody, glabrous, slender vine, the stems twining, 

 gfrayish, branched. Leaves broadly ovate in outline, 6 to 9 cm in diameter, 

 5- or 7-parted, the segments elliptic-lanceolate, acute or acuminate, entire, 

 or the lowest pair lobed. Calyx 8 to 10 mm long, green. Corolla campanu- 

 late, deep-lavender or mauve, about 6 cm long, 5 to 6.5 cm broad, the tube 

 outside paler than the rest of the flower, inside deep-purplish. (Fl. Filip. 

 pi. Si, I. tuherosa.) 



Very commonly cultivated for covering walls, porches, etc., subsponta- 

 neous, fl. all the year; in towns generally throughout the Philippines. A 

 native of northern Africa. 



6. 1. pes-caprae (L.) Roth. 



A wide-spreading, creeping ot twining, glabrous vine. Leaves thick, 

 shining, orbicular, 6 to 14 cm long, apex emargiqate or 2-lobed, base broad, 

 rounded or truncate. Peduncles axillary, solitary, usually as long as the 

 petioles, erect, 1- to 6-flowered, usually only one flower opening at a time. 

 Sepals green, elliptic, obtuse or apiculate, 8 mm long. Corolla campanulate, 

 purple, 5 cm long, the limb 6 to 6 cm in diameter, slightly lobed. Capsule 

 about 1 cm long. (Fl. Filip. pi. 29.) 



Along the seashore, abundant, fl. Oct.-May; on sandy seashores through- 

 out the Philippines. Tropics generally. 



7. I. obscura (L.) Eer. 



A slender, twining, herbaceous, glabrous, annual vine, the stems 1 to 

 1.5 mm in diameter. Leaves broadly ovate, entire, acuminate or acute, 

 base prominently cordate, the sinus broad, rounded, 2.5 to 6 cm long. Pe- 

 duncles axillary, elongated, 1- to 3-flowered. Sepals ovate,- acute or acu- 

 minate. Corolla about 2.5 cm wide, the tube narrow, yellowish-white or 

 straw-colored, dark-purple at the base inside. Capsules ovoid, pointed, 

 about 1 cm long, glabrous, 2-valved, 4 or 2-seeded, seeds about 5 mm long, 

 brown-velvety. 



In dry open grasslands and in thickets, fl. July-Jan.; widely distributed 

 in the Philippines. India to the Mascarene Islands, China, and Malaya. 



8. L TRILOBA L. (7. hlancoi Choisy). 



A twining, herbaceous, slender, annual vine, glabrous except the inflo- 

 rescence, the stems green, somewhat angled, about 2.5 mm thick. Leaves 

 broadly ovate, entire, or somewhat 3-lobed, acuminate, base broadly cordate, 

 4 to 11 cm long, often nearly as wide. Peduncles axillary, solitary, 2 to 8 

 cm long, bearing from 3 to 5 rather crowded flowers at the apex. Sepals 



