52 TRAVELS IN BRAZIL. 



especially wlieii just struck off, had a considerable 

 effect on it. The mass of this magnetic iron-stone 

 is either quite compact or traversed by veins of red 

 ochre. This iron-stone appears to be in immediate 

 contact with a yellow quartzy sandstone, with an 

 argillaceous cement ; at least, the latter is seen in 

 several places at the foot of the mountain, as well 

 as in Ypanema itself A dirty lavender-blue primi- 

 tive clay-slate, tinged brown in the rifts, which 

 runs from east to west, lies on the top of the 

 mountain, here and there, over the iron. Upon 

 the Morro de Araasojava, and probably in veins 

 of the magnetic iron-stone, there is a porous quartz- 

 stone, of a light brown colour, the cavities in which 

 are covered with a bluish white calcedony, with a 

 crystallised surface. 



The forests, which stand more luxuriant and 

 thicker in the hollow than in the higher parts, are 

 uncommonly rich in the most various kinds of wood. 

 In the company of a farmer of the neighbourhood, 

 we collected, in one day, a hundred and twenty 

 different kinds, among which, there was in pro- 

 portion a great number of very hard and durable 

 species, fit for the construction of buildings and 

 ships.* We were very much struck with the 

 facility with which our guide, after viewing the 



* The most valuable woods of that country are, Sebastiao 

 d'Arruda, Coracao do Negro, both chiefly used for fine fur- 

 niture on account of their red grain ; Jacaranda-tiin, an 

 excellent kind of mahogany ; Masaranduva, Cnbktna, Perova, 

 Parauna, Jequetiva, Cedro, &c. 



