112 COL. GRANT—BOTANY OF THE SPEKE AND GRANT EXPEDITION. 
losus. Corolla 5-partita, segmentis oblongo-lanceolatis, apice revolutis. Corona staminea 
5-phylla, foliolis imo gynostegio insertis ; lamina petaloidea, obovato-rotundata, obtusius- 
cule deltoideo-dentata, basi intus appendice brevi tridentata aucta; antheræ membrana 
ovata apiculata incurva terminate ; masse pollinis pendulæ, oblongæ, caudiculis brevis- 
simis; stigma muticum obtuse 5-gonum.— И. rosea, sp. unica. 
Caules 12-2 ped., simplices v. parce ramosi, e caudice tuberiformi erecti, hirtelli v. breviter pubescenti- 
tomentosi. Folia opposita, anguste oblongo-lanceolata, acutiuscula, basi truncata v. subcordata, breviter 
petiolata, scabriuscula v. tenuiter hirsutula, 23—4 poll. longa, basi 2—3 poll. lata; petiolus 5—1; poll. 
longus. Cymæ paucifloræ, subsessiles v. breviter peduneulatze, subterminales, foliis superioribus breviores. 
Flores rosei, å poll. diam. Calyx extus hirsutus, intus glaber; segmentis erectis, lanceolatis v. ovato- 
lanceolatis, acutis. Corona conspicua, corollam referens, laciniis patentibus, margine eleganter dentatis, 
corollæ lobos revolutos superantibus. 
Hab. Unyoro, July 1862 (Pentanisia, App. Speke’s Journ. 636), Col. Grant ! 
[12 to 18 inches high; root a tuber, white, milky, and carrot-shaped. Found in a field of Sesamum, 
Unyoro (July). Whole plant very milky. Calyx green; corolla and fringed petal-like segments of the 
corona pink.—J. A. б.) | 
Plate LXXVI. fig. 1. Flower; fig. 2. Same, fully expanded ; fig. 8. Segment of 
согоПа, ultimately yet more revolute; fig. 4. Segment of the corona, with three 
basal teeth on the inner face; fig. 5. Flower after removal of corolla and corona; fig. 6. 
Pollen-mass. 
14. Den EXTENSA, В. Br.; DO. Prod. viii. 544.—D. barbata ?, Klotzsch, App. 
Speke’s Journ. 639. 
Hab, 2° and 5° 10' N. lat., Col. Grant! Also Indian. 
Р. barbata, K1., of the Zambesi, may well be the same. 
[А climber, with white flowers. Found at 2° and 5? 10! N. lat.—J. A. G.] 
15. LEPTADENIA PYROTEOHNICA, Dene. in DC. Prod. viii. 699; App. Speke's Journ. 
640. | 
Hab. Nubia, Col. Grant! 
[A shrub 6 to 8 feet high, and 15 to 20 inches in diameter of stem, with milky or resinous juice. 
Found on the desert at 20° N. lat. in April. Branches round, green, and leafless ; branch-tips curl or 
cling. Pods 3 inches long. Flowers diminutive and green, with yellow centre. This was the only 
material we found in the desert to boil our kettles with (though withered grass was about); it blazed, the 
gases escaping with a considerable noise.—J. А. G.] 
16. LEPTADENIA LANCIFOLIA, Dene. in DC. Prod. viii. 628; A. Rich. Fl. Abyss. ii. 44; 
Арр. Speke's Journ. 640. | 
Hab. Madi, Jan. 1863, Col. Grant ! Widely diffused in North Tropical Africa. 
[A low-growing, rather creeping plant, about the low ground of Madi (J anuary). Stem round, dull- 
coloured, and tough. Leaf-ribs very flat; a gloss on the upper surface, dull beneath. Petals woolly and 
| red inside, green without. Тһе flowers and young shoots are eaten as a vegetable at 3° 15/ N. lat.— 
17. BRACHYSTELMA PLOCAMOIDES, Oliv., sp. nov. Glaberrima; caule e caudice tuberoso 
napiformi diffuso ramoso spithamæo; foliis angustissime linearibus; floribus extra- 
axillaribus solitariis, pedunculatis ; calycis lobis lanceolatis, acutis; согой lobis patentim 
