380 BOTANICAL INFORMATION. 
visque subtilibus percursa ; laciniz dentesve nune acuti nune obtusi. 
Caulis nudus, superne in pedunculos satis distantes varie longos so- 
lutus. Unmbellule pauciflore, non raro ad florem unicum reductz. 
Bracteole tot quot flores, lineari-subulatze, interdum incisæ. Pedi- 
celli fructu plus minusve longiores. Caly# breviter 5-dentatus. 
Petala alba, oblongo-ovata, satis firma, saltem lineam metientia. 
Fructus cum stylopodiis crassis lineas duas longi, stylis reflexis co- 
ronati, ad commissuram leniter contracti. 
Plate XII. (under the name of Centella cuneifolia). Fig. l, bud; 
2, flower; 3, petal; 4, fruit nearly mature; 5, transverse section of 
. ditto :—all magnified. 
BOTANICAL INFORMATION. 
Mz. SPRUCE's ascent of the Amazon to Peru. 
. Letters have been received from the indefatigable explorer of the 
. Amazon and its tributaries, Mr. Spruce, who writes from Yurimagua, 
on the Rio Huallagua, in the Maquas province of Peru. Mr. Spruce 
is on his way to Tarapoto, at the eastern base of the Andes, a country 
partially, indeed, explored by the German traveller, Pæœppig, but one 
E ioci doubt affords a magnificent harvest to the botanist. 
A. Ds. F. MUELLER’S appointment to be Botanist to the North-west 
Australian Expedition. 
The venerable Drammond having, on account of his great age, de- 
clined to accompany the Expedition to the Victoria River, our readers 
will learn with great satisfaction that Dr. Ferdinand Mueller, the Colo- 
nial Botanist of Victoria, has accepted the appointment of Botanist to 
the North Anstralian Exploring Expedition, which Mr. Gregory is 
about to conduct. A person better qualified for the position it would 
i difficult to find, for to great botanical acquirements and indefatiga- 
zeal i m collecting, observing, and studying, Dr. Mueller unites all 
requisites of an experienced Australian explorer. For several years 
the completion of the flora of South-castern Australia has been the 
venen «t Dr. Mueller's travels and studies; the materials for this 
