COL. GRANT—BOTANY OF THE 5РЕКЕ AND GRANT EXPEDITION. 115 
gate it in water, then plant it by the doors of their huts, placing the skulls and teeth of buffalo and 
hippopotamus by the plant. They believe that a branch of this in the hand while hunting ensures success. 
Native name * mohambo."—J. А. G.] 
2. Тром жа PENTAPHYLLA, Jacq. Icon. Rar. 319.—Batatas pentaphylla, Choisy ; DC. 
Prod. ix. 339; App. Speke's Journ. 640. See also Meissner, in Mart. Fl. Bras. Convol. 
287, for synonymy. 
Hab. Above Khartoum, 1863, Col. Grant/ A wide-spread tropical weed. 
[Found upon the left bank of the Blue Nile above Chartoom, 1868.—Ј. А. б.) 
`8. Громжа BATATAS, Lam. Dict. vi. 14.— Batatas edulis, Choisy; DC. Prod. ix. 
338; App. Speke’s Journ. 640. For Synonymy see Meissner in Mart. Fl. Bras. 
vii. 282. 
Hab. Cultivated from Zanzibar to Egypt; Mininga, Col. Grant! Commonly cul- 
tivated in the tropics. 
[The sweet potatoe is cultivated all the way from Zanzibar to Egypt, and was obtained, either fresh 
from the fields or in a dried state, nearly all the months of the year. At 81° 8. lat. (Bogweh), we 
saw a beer made from it; but it was not pleasant. Guinea-fowl and antelope are very destructive to it. 
The plant, once in the ground, seemed to be allowed to propagate itself without replanting from 
season to season. Native name “ veeazee." —J. А. G.] 
4. IPOMÆA REPTANS, Poir. ; DC. Prod. ix. 849: App. Speke's Journ. 640. 
Hab. By the Nile &е., Col. Grant! Widely spread in tropical Africa and Asia. 
[Water-convolvulus, found flowering in March on the edges of the Nile at 18° N. lat. Observed 
amongst luxuriant vegetation on the equator and at 2? N. lat.—J. А. G.] 
5. ЇРОМЖА ASARIFOLIA, R. & Sch.; DC. Prod. ix. 850; Kotschy & Peyritsch, Pl. Tinn. 
tab. x.; App. Speke’s Journ. 640. 
Hab. Nile bank, 14° 30’ N. lat., Col. Grant! 
Extends westward into Senegambia. Our specimen is without flower, but agrees, so far as it goes, with 
the species to which it has been referred. 
[ Found, with flowers fallen off, in March on the right bank of the Nile, at 143° N. lat., where it helps 
to bind down the sand of the shore.—J. А. G.] 
6. ТРОМЖА PALMATA, Forsk.; DC. Prod. ix. 386; App. Speke’s Journ. 640. 
Hab. Banks of the Nile, March 1863, Col. Grant ! Extends westward to Sierra Leone 
and Angola. 
[Common in March on the banks of the Nile at 9° N. lat., where the river is like a sewer running 
through marsh.—J. A. G.] | 
7. ІРОМЖА RENIFORMIS, Choisy, in DC. Prod. ix. 351; App. Speke's Journ. 640; | 
Schweinf. Beitr. Fl. Æthiop. 96. 
Hab. By the Nile, March 1868, Col. Grant! Also in India. 
[A yellow-flowered flatly growing creeper, found on the hard shores of mud in the Noer country at 84° 
М. lat.—J. А. G.] | 
8. Тром ЖА CAPITATA, Choisy, in DC. Prod. ix. 365; App. Speke’s Journ. 640. 
Hab. Madi, Dec. 1862, Col. Grant! 
[Twines round the bushes at 3° 15’ N. lat. in December.—J. А. G.] 
VOL. XXIX. T 
