PROFESSOR SMITHS JOURNAL. 243 



Close to the houses was a steep rock, upon which I found 

 several interesting plants, and among them a beautiful new 

 Lavenduki, and several others met with in tlie Canaries. 

 Below was a clear spring, overshadowed by Pisangs and 

 cocoa-trees. Its temperature was one degree higher than, 

 the well at Porto, though we had ascended to the height of 

 about 1000 feet. 



At day-break we heard a shot from the harbour, which 

 made us doubtful whether we should proceed on our jour- 

 ney, but not perceiving, on looking through the telescope, 

 any blue flag hoisted, we continued leizurely to walk up- 

 wards. We had not advanced far when the appearance of 

 the country became entirely changed. After having for 

 some time seen nothing, on the other side of the cultivated 

 ground, but tracts of land scorched by the sun, and in 

 some places overgrown with Spennacoce verticillata and a 

 few Sid(E, it Avas an vmexpected sight to perceive the hills 

 covered Avith grass, from one to two feet high, being a 

 species of Panisetum whose tropical nature was discovered 

 by its ramifications. Innumerable herds of goats, sheep, 

 and cattle were feeding all around. It had struck me 

 that of the whole family of tl>e Eiiphorbiacece, which are 

 peculiar to a great part of the African countries, from the 

 Canaries to the Cape of Good Hope, the Jatropha only 

 is here to be met with, and this too is a foreign importa- 

 tion. In the small level valleys on the sides of the grassy 

 mountains, I perceived groups of a shrub, which had 

 something new in its appearance, and on approaching it, 

 I found at last an Euphorbia, that bore so near a resem- 



