24 COL. GRANT—BOTANY OF THE SPEKE AND GRANT EXPEDITION. 
Veazee-koo, or Koobba (Kis.), Dioscorea, sp.,=the yam. Itis grown upon heaps of earth, like our dung- ` 
heaps, in а field, or it may be trained up а pole, like the hop. The tuber grows as thick as the 
arm, of various shapes, when grown in the above manner. 
Veetoongoolla (Keeao), Dioscorea bulbifera,=Matoo (Kin.). Its three-cornered fruit, when boiled, eats 
pleasantly (ripe Aug.), similar to boiled plantain. There is а bud-like process in the centre of 
each of its flat sides, and the plant propagates from one of these. 
Wimumunia = Krapf's cereals and vegetables. 
Yal'wah (Kin.), Anchomanes Hookeri?, Schott. Bulbous plant, 3 feet high, with curved-down thorns on 
the petiole and stem. The stem divides at its summit into three leaves, which are remarkably 
large, almost frond-like; the main rib is feathered with leaf. The bulb, 30 inches circ., is eaten 
as a vegetable. Found in a moist, shaded slope, not in flower, and the stem dying away in 
December. 
Yoomboo (—), an excellent tuber, of the size and shape of the big toe, or larger, with thin purple 
skin. Ripe from May to July, and sweet-tasting when boiled. In general appearance the plant, 
when growing, recalled the mint, or one of the family. 
Zeeb kælb (Arabic), Агасеа. Purple-sheathed ; found in flower, but without leaves, in November. 
