330 PROFESSOR SMITH'S JOURNAL. 



called LuUu, where I found a single specimen of an Angi- 

 osperma and an Euphorbiacea. Our way went over rug- 

 ged hills till we approached the high land towards the 

 evening ; we then crossed some rivulets, near the last of 

 Avhich was a luxuriant growth of trees and thick grass. A 

 Clerodendrum was found here, but I lost the flowers. 



Sept. 3. We passed over the high mountain at Man- 

 soama Gomma, where I found a Limodoriim. At noon 

 near a rivulet Avas found a Labiata herbacea, a parasite plant 

 like Loranthus ; and in the rivulet of Lullu, a frutescent 



Oxalis, Antidisma, and Poh/podium pteroides, in 



small ravines. 



The slate inclined this day more towards the west, 

 and the hills were better covered with wood, and distin- 

 guished by many new villages. The higher parts Avere 

 covered with a red clay. From Mangoama Gomma a view 

 opened over the upper part of the river, which is expanding 

 itself over the surface of a country of less elevation. Near 

 the upper Sangala is a narroAV passage through the moun- 

 tain, down which the river precipitates itself within a very 

 contracted channel. For the first time I observed in the 

 ravine here the transition to clay-slate, of whic the hills 

 are formed. Its inclination is uncertain, but generally 

 towards the north. When on on the height of the banza 

 Bomba Yanga, we were met by a party of slave-merchants. 

 From thence we directed our way more towards the river, 

 and proceeded over some smaller hills till we reached 

 Condo Janga in the evening. The view above being un- 

 interrupted over an open and flat country. The river had 



