178 COL. GRANT—BOTANY OF THE SPEKE AND GRANT EXPEDITION. 
Hab. Gathered 11th January in the rather fertile country of Unyamezi, 5° 5. lat., Col. 
Grant! Tropical Africa and Asia. | 
3. NEPHRODIUM UNITUM, R. Br., var. propinquum, App. Speke's Journ. 654. 
Hab. Gathered in November at 2° to 3° N. lat., Col. Grant! Common in tropical and 
subtropical countries. 
4. NEPHROLEPIS CORDIFOLIA, Presl; Hook. & Baker, Syn. Fil. 800.—N. tuberosa, 
App. Speke’s Journ. 654. 
Hab. Collected in December at 3° 15' N. lat., Col. Grant! Tropical and subtropical 
regions. 
5. РопүРОрРГОМ PHYMATODES, L.; Hook. & Baker, Syn. Fil. 364 —Phymatodes vul- 
garis, App. Speke's Journ. 654. 
Hab. Zanzibar, Col. Grant! Tropics of Old World. 
6. CERATOPTERIS THALICTROIDES, Brongn.; Hook. 4 ВаКет, Syn. Fil. 174; App. 
Speke’ s Journ. 654. 
Над. 3° 15' М. lat., Col. Grant! Common fern of warm countries. 
| Found in a bog at Madi in January, growing in tufts amongst thick grass, and observed nowhere else 
on our route. The transverse section of the stem near the root shows a black circle and a diameter of 
tubes. The whole plant smells of our bracken or brake-fern.—J. А. G.] 
7. MARSILEA DIFFUSA, Leprieur fide A. Braun.— И. quadrifolia, App. Speke's Journ. 
654. 
Hab. Nile, 9th March, 1868, Col. Grant! А widely spread species in Africa and 
Madagascar. 
8. SELAGINELLA RUPESTRIS, Spring.— Lycopodium rupestre, App. Speke’s Journ. 654. 
Hab, Madi, Nov., Col. Grant! Cosmopolitan. 
