102 XC. CONVOLVULACE® (BAKER AND RENDLE). — [JMerremia. 
Segments entire. 
Stem winged . . . 2. M. alata. 
Stem not winged. 
Capsule narrowly ellipsoid, 4-2 in. long =. 3. M. kentrocaulos. 
Capsule ellipsoid-globose, 14 in. long . . 4. M. tuberosa. 
Segments grossly dentate . 5. M. dissecta, 
Leaves bipinnatisect 6. M. bipinnatipartite. 
Sepals $ in. long . : 7. M. pterygocaulos, 
Corolla about 1 in. long (unknown in I, spongiosa). 
Leaves cordate-ovate . c : . : . 8. M. umbellata. 
Leaves lanceolate-acuminate . : : : . 9. M. spongiosa. 
Leaves pinnatilobed 5 ; ; : : . 10. UU. quercifolia. 
Leaves palmate-pinnately 5-lobed . . . . 11. M. Pes-Draconis. 
Leaves palmately divided. 
Segments narrow, linear to lanceolate. 
Sepals lanceolate to ovate, acute s ‘ . 12. M. pedata. 
Sepals elliptical, obtuse . x Z ‘ . 18. UM. palmata, 
Segments broad. 
Pedicels and sepals glabrous. : 2 . 14, M. ampelophylla. 
Pedicels and sepals with long hairs . : . 15. DL. pentaphylila. 
Segments pinnatisect . : . 16. M. multisecta, 
Leaves narrowly oblong, with dentate margin . . 17. M. somaleasis. 
Leaves oblong-ovate with irregularly pandurate 
margins . 5 : : 2 : : 18. M. gallabatensis. 
Corolla 3—% in. long. 
Leaves palmately divided . ; . : . 19. M. verecunda. 
Leaves pinnatilobed : : x : : . 20. M. xanthophylla. 
Leaves oblong with tridentate base . ~ : . 21. M. tridentata. 
Leaves linear to linear-oblong . 3 : : . 22. M. angustifolia. 
Corolla 4 in. long or less. 
Leaves pinnatisect . : : : . : . 23. M. pinnata, 
Leaves reniform . ‘ 5 x c : . 24, WM. emarginata. 
Leaves cordate z . - . 25, M. convolvulacea. 
1. M. Turpethum, Rendle. Stems slender, twining, finely pube- 
scent. Leaves cordate-ovate, entire, acute, 1-2 in. long, finely pubescent 
on both sides; basal lobes very short, obtuse, entire; petiole 6 lin. long. 
Flowers solitary in the axils of the leaves ; peduncles pubescent, 1~1} 10. 
long, articulated at the middle. Calyx 3-1 in. long; two outer sepals, 
elliptic, obtuse, pubescent, hiding the inner. Corolla broadly cam- 
panulate, 14 in. long, glabrous outside. Stamens half as long as the 
corolla. Capsule (not seen in African specimens) surrounded by the 
large tough accrescent sepals, globose, 6-9 lin. long; endocarp thin 
membranous; seeds typically 4, large, smooth.—/pomea diplocalyx, Baker 
in Kew Bulletin, 1894,71. J. Turpethum, R. Br. Prodr. 485. Oper- 
culina Turpethum, Silva Manso, Enum. Subst. Braz. 16. Spiranthera 
Turpethum, Bojer, Hort. Maur. 226. 
Mozamb. Dist. Portuguese East Africa: Zambesi delta, near Vicenti, 
Scott! 
Also in Tropical Asia, Australia, Polynesia, and the Mascarenc Islands. 
2. M. alata, Rendle. A glabrous climber. Stems stout, hollow, 
conspicuously 4-winged on the older portions. Leaves large, thinly 
