142. MALVACEAE — 143. BOMBACACEAE 353 



Epicalyx ii-toothed. Calyx 2-parted. Corolla yellow. Shrubs. Leaves 

 reniform or orbicular. — Species i. East Africa. 



Symphyochlamys Guerke 



19. Epicalyx of 3 large, cordate bracteoles. Ovary 5-celIed. Seeds woolly. 



Species 5, three of them growing wild in Central and South Africa, the 

 others (cotton-plants) cultivated in various regions. They yield cotton, 



oil, dyes, vegetables, and medicaments Gossypium L. 



Epicalyx of small or narrow bracteoles 20 



20. Calyx sprinkled with black dots. Ovary 3— 4-celled. Fruit readily 



dehiscing. Cotyledons not dotted. Shrubs or undershrubs. — Species 

 7. Central and South Africa. {Fugosia Juss.) Cienfuegosia Cav. 



Calyx not dotted. Ovary 5-celled. Fruit not or hardly dehiscing. Seeds 

 woolly. Cotyledons usually marked with black dots. Trees or shrubs. 

 Leaves undivided. — Species 5. Tropics to Delagoa Bay. They yield 

 timber, fibres, dyes, and medicaments Thespesia Corr. 



FAMILY 143. BOMBACACEAE 



Trees. Leaves digitate, stipulate. Flowers solitary or fascicled, hermaph- 

 rodite, without an epicalyx. Calyx with valvate, closed, or open aestivation. 

 Petals 5, adhering at the base to the staminal tube, with contorted aestivation. 

 Stamens 5 or more, united below. Anthers i-celled. Pollen-grains smooth 

 or almost so. Ovary superior or nearly so, 5 — lo-celled, the cells opposite to the 

 petals. Ovules numerous in each cell, ascending or horizontal, inverted. Style 

 simple. Fruit a capsule or a nut. Seeds with a scanty albumen and a curved 

 embryo with folded or coiled cotyledons. — Genera 3, species 13. Tropics. 

 (Under MALVACEAE or STERCULIACEAE.) (Plate 93.) 



1. Stamens 5. Anthers twisted. Calyx lobed. Stigma capitate. Fruit 



leathery, woolly within, dehiscent. — Species i (C. pentandra Gaertn., 

 silk-cotton-tree). Central Africa ; naturalized in Madagascar and the 

 Mascarenes. Yields timber, bast, tanning materials, wool lor stuffing, 

 oil, condiments, vegetables, and medicaments. (Eriodcndron DC.) 



Ceiba Gaertn. 

 Stamens numerous 2 



2. Calyx truncate or irregularly 3 — -s-cleft, with open or closed aestivation. 



Stigma 5-partite or capitate. Fruit hairy within, dehiscent. — Species 6. 

 Central Africa. Thev vield timber, wool for stuffing, and medicaments 



(Including Pachira Aubl.) (Plate 93.) Bombax L. 



Calyx 5-cleft, with valvate aestivation. Stigma 5 — lo-partite. Fruit 

 woody, filled with pulp, indehiscent. Flowers sohtary, pendulous. — 

 Species 6. Tropics. They yield wood, fibres, tanning materials, 

 vegetables, oil, condiments, and medicaments. The pulp of the fruits 

 and the seeds are edible ; from the former a drink is prepared. " Baobab." 



Adansonia L. 

 z 



