FLORA NIGRITIANA. 471 
—Accra, Ansell; on the Quorra, Vogel; a common Tropical 
species, of which the E. linifolius appears to be only a 
narrow-leaved form. 
West Tropical Africa seems the only known region from 
whence no species of Cuscuta has as yet been brought. 
LXXVIII. Boracinez. 
There are two West African species of Cordia, named after 
their respective stations, C. Senegalensis, Juss., and C. Guineen- 
sis, Schum. et Thonn. 
l. Ehretia cymosa, Schum. et Thonn.— DC, Prod. 9. p. Tie 
Cape Palmas, Accra and Aguapim, Vogel; Sierra Leone, 
Don. i 
À common shrub, attaining the height of a man, with white 
flowers, and agreeing well with Thonning's description, m 
that the leaves are usually much larger, being often 4 inches 
long and 3 wide, 
E n one species of Ti ournefortia, the 7. subulata, 
Hochst., extending to Nubia and Abyssinia. 5 
l. Heliotropium strigosum, vie DC. Prod. 9. p. : 
Cape Coast Don; Accra, Vogel. ; 
The other West African att are H. undulatum, MS 
common to Senegal, the deserts of North Africa, and Babin; 
H. Kunzei, Lehm., from Senegal, Nubia and Abyssinia ; ZZ. à 
Tomandelianum, Lehm., extending from Senegal over the p T 
part of Africa and East India, to the Philippine y y PH 
Tropical Australia ; H. Baclei, DC., from Senegal ; and H. Afr 
canum, Schum. et Thonn., from Guinea. i 
l. Heliophytum Indicum, DC., Prod, 9. p. n = 
West Tropical Africa, and in nearly all Tropical c 
both hemispheres. 
The ^ African Trichodesma Africanum, Br., trh 
Webb proposes (above, p. 153) to restore Medik’s origina m 
of Pollichia, extends into Senegal, aud is the only "T ai 
numerous tribe of Boragee proper hitherto found in W. 
within the Tropics. 
