90 Botanical Reminiscences. 
tlie banks are seen lined witb trees and sbrubs covered witb 
differently formed and manifold colored flowers. 
The wonderful picture of the vegetation of the banks of 
the upper River Rupununi, which was mostly formed by the 
beautiful Calycophyllum Stanleyanum Schomb., with its 
large pink bracts and dark violet flowers, formed a brilliant 
veil, as well over the thickly- wooded declivities of the sur» 
rounding hills, as also over the luxuriant vegetation of the 
Rupununi, which has impressed itself so much on my mind 
that it is still as fresh as the day I saw it, and will never be 
forgotten. 
The marshes and little lakes which had disappeared in the 
dry season are filled again with water, on the borders of the 
same : as if by magic, a broad belt is seen of the azure blue 
flowers of the Eichhorniay Heteranthera, the tender white 
flowers of the Limnanthemum Humboldtii, the yellow of the 
Hydrocleis, and whitish of the Alisma, and 8agiitaria. 
But the middle of the month of October changes the ground, 
which a short time ago appeared in such luxuriant green • 
The flower stems of the herbaceous plants and grasses become 
yellow, and the savanna may be compared to a ripe but very 
thinly-sown field of corn, and maintains a pale melancholy 
yellow color throughout the dry season. 
