THE TROPICAL ZONE. 243 . 



sandy places, which are flooded in the wet season. The 

 truly aquatic Brazilian kinds more or less resemble our own 

 in habit," 



Having finished our examination of these curious plants, 

 we must make one more effort to reach the end of our long 

 journey. Above the flat, wooded spot before mentioned we 

 encounter " another steep, rocky place, almost entirely co- 

 vered with a large Pine-apple-like Tilkmdsia, above which 

 rise a few plants of a fine large scarlet-flowered shrubby 

 Salvia (8. Benthamiana, Gardn.), and a pale-blossomed Tir- 

 gularia" The latter flower not only belongs to the same 

 tribe (Scrophulariacea) as our large red Snapdragon (An- 

 tirrhinum majus), but is exceedingly like it in appearance ; 

 in some, however, the corolla is fringed at the edge, whilst 

 a peculiar character is given to others by the large pro- 

 truding anthers, which are curiously enveloped in a woolly 

 substance. On a nearly bare portion of the rock grow 

 several patches of a large herbaceous plant belonging to the 

 Gentian tribe, Prepusa connata, Gardn. ; the blossom rises 

 prettily out of the purple-tinged, inflated calyx, which 

 stands out all round it like a little balloon. 



A wooded tract again succeeds to the rocky one we have 

 just passed, and here, at the height of about 6000 feet, we 



