XXlll 



and on the banks of the Rio Negro, the 

 Oroonoko, and the river of Amazons 

 Mr. Bonpland has gi ven the figures of more 

 than forty new genera •f of plarits of the 

 torrid zone, classed according to their na- 

 tural families. The methodical descriptions 

 of the species are both in French and in 

 Latin, and accompanied by observations 

 on the medicinal properties of the plants, 

 on their use in the arts, and on the climate 

 of the countries where they are found. 



III. Monography of the Melastomas, rhex- 

 ia+and oiher genera of this order of plants %. 

 This work will comprise upwards of a 



* Equinoctial plants, 2 vols, folio, with more than 

 120 plates. This number of plates has been greatly 

 augmented since 3VL de Humboldt wrote this intro- 

 duction. The number contained in the two volumes 

 will exceed 150. See the prospectus of Mi de Hum- 

 boldt's works, at the end of the volume. 



+ We shall cite h«re only the genera, ceroxylon, 

 marathrum, cassupa, sacceliium, cheirostemon, rhe- 

 tiniphyllum, machaonia, limnocharis, bertholetia; ex- 

 ostema, vauquelinia, guarcliola, turpinia, salpianthus, 

 hermesia, cladostyles, lilaesa, culcltium, espeletia, 

 bonplandia, platycarpum, andromachia, iftenodora, 

 gaylussaica, podopterus, leuCophyllum, angelonia. 



J Melastomas, 2 tols. folio, with colored plates. 



