APRIL. 121 



pots, which seem to afford all the requisites (of plant and flower) that 

 can be desired. 



The above results may also be obtained by sowing in the first, or 

 even so late as the third week in April, on a slight or nearly spent hot- 

 bed, transferring the plants at once to the last-named pots, and placing 

 them in a cold pit in the middle or end of May. These will bloom in 

 August and September, and will well repay the little trouble bestowed 

 upon them, by a splendid display of many-coloured blossoms. 



S. T. F. 



DESCRIPTIVE LIST OP HARDY CONIFERS.— No. XX. 

 PiNus Hartwegi — Hartweg's Pine. 



This species is a native of Mexico, where Hartweg discovered it on 

 INIount Campanario, growing at an elevation of 9000 feet, and ranging 

 immediately above Picea religiosa. It forms a tree of moderate size, 

 with leaves six inches and upwards in length, of a pale green, and 

 covered with a glaucous bloom. Although this Pine belongs to the 



PiNus Hartwegi. 



five-leaved section of Pinus, it is often found with four only in a 

 bundle. The cones are 4 — 5 inches long, and pendulous. Many of 



