information are invaluable to the cultivator, who rarely has 



any idea of the precise circumstances under which his plants 



grow naturally, and who, consequently, can only learn after 



m long and dear experience how to treat them. For this reason 



1 hope the foUowmg additional particulars concerning the 

 habits of other species of Oncidium, extracted from M. Des- 

 courtilz' MSS. will prove acceptable. 



O. divaricatum Trunks of the most lofty trees, on the high mountains of the 

 berra das Agoas, in the district of Ilha Grande. 



O. ciliatum. Common in the woods which cover the low plains among the hills 

 near Bananal. "^ ° 



O. irid^olium Branches of Orange and Lemon trees only. Very common in 

 the neighbourhood of the town of Bom Jesus de Bananal. It prefers dry 

 places, exposed to the sun. *^ ' 



O. pubes. Thin forests clothing the table-land near Bom Jesus de Bananal. 



This species must be cultivated in a very damp stove, 

 where It may either be tied to a piece of wood and suspended 



^hZ^ ^^^^' ^^/^^^^ in a pot. In the latter case the soil 

 should consist of rough pieces of peat mixed with broken 

 bricks, or something which will form a communication with 

 Itlv nr^K-^'^'''''/"^ ^^^'"^ off superfluous water.. The 

 ^iL^nf /""^ XY^ ^"'^^"^ *« i^ ''' cultivation, is the 

 when^f]?! J^'' ^""^^ ^" ^^°^ cautiously, especially 



to sTffl. rS?! «^«^^%begin to grow, for they are very apt 

 free?f un n ^.'' ^T^.' , ^^^^^^^^s it may be given mo^e 

 m^s/be^^ll^^^^^^ — fwhef the plant 



It is propagated in the usual manner, namely by division. 



\^ -4 



