POP 



475 



POT 



one half smaller ; antl the black tinjie best ; Soden's Early Oxford; Fox's 

 at the points of the nper wini^s is faint- I Seedling, perhaps the best; Early 

 er, and not visible on the outer edge. INIaniy; Karly Mule. 

 The time of appearance is the same as; Earliest for general cultivation : — 

 of the former. Early Kidney; Nonsuch ; Early Shaw; 



" The caterpillar is of a dull green, Gold Finder ; Taylor's F'orty-fold. 

 with fine white minute hairs, a yellow | For main crops, the varieties are 

 stripe on the back, and vellow spots on ' ranged in this class, according to their 

 the sides, on a pale ground. In some forwardness in ripening : — 

 years it is very injurious to the cabbage Early Champion; Leathercoat ; Ox 

 and turnip plants; it also infests the Noble ; Red Nose Kidney, very good ; 

 mignionette, which it strips entirely of Large Kidney ; Irish Cup ; Bread Fruit, 

 its leaves. It is very difficult to be dis- the best; Red Streak, or Lancashire 

 covered from its colour. The pupa is I'ink Eye; Black Skin; Purple; Red 

 yellowish or greenish-gray, with three Apple; Rough Red. — All these are 

 yellow stripes. Like the former kind, English varieties. At Philadelphia, 

 it is found attached to trees, hedges," where we write, but two sorts are 



&c. — KoUar. 

 POPLAR. Populus. 

 POPPY. Papaver. 

 POPULUS. Poplar. Fifteen species. 



extensively grown, viz., Mercer and 

 Foxite; the former has had great popu- 

 larity for both quality and product — 

 the latter, though not productive, is the 



evergreen shrub. Ripe cuttings, 

 and peat. 



PORTIIESIA. See Bombyx. 



PORTLANDIA. Two species, 

 evergreen shrubs. Cuttings, 

 loam and peat. 



and many varieties. Hardy deciduous best we have ever seen grown in this 



trees. Cuttings and layers. Light loam, I country. 



near flowing water. i Soil and Situation. — No inhabitant of 



poll \y!Jivoluf)i lis. Stove evergreen the garden varies more in quality in 

 twiner. Seed. Loam and peat. different gardens than the potato ; for a 



PORANTUER.\ ericifolia. Green- variety will have a strong unpleasant 

 house evergreen shrub. Young cuttings, flavour in one soil, that has a sweet 

 Sandy loam and peat. agreeable one in another. In a heavy 



VOKhW.lX X hy^rometrira. Stove wet soil, or a rank black loam, though 



Loam the crop is often fine and abundant, it 



is scarcely ever palatable. Silicious 



I soils, even approaching to gravel. 



Stove though in these last the tubers are 



Sandy usually corroded or scabby, are always 



to be planted in preference to the above. 



PORTUGAL LAUREL. Cerasus lu- A dry, friable, fresh, and moderately 

 sitanica. This is a beautiful evergreen rich soil, is unquestionably the best for 

 shrub, not sufficiently hardy to with- ; every variety of the potato ; andforthe 

 stand the winters of the middle states — earliest crop, it may be with advantage 

 farther south it would be highly useful more silicious than for the main ones, 

 as a decoration to the garden and lawn ; The black-skinned and rough-red, 

 during winter. thrive better than any other in moist 



PORTULACA. Purslane. Fifteen strong cold soils, 

 species. Stove, green-house, and hardv If manure is necessary, whatever 

 annuals. Seed. Light loam. P. g-ranrfi- , may be the one employed, it is better 

 flora is a tuberous perennial, increased | spread regularly over the surface pre- 

 by offsets. See Purslane. [ vious to digging, than put into the holes 



PORTULACARIA afra. African with the sets, or spread in the trench 

 Purslane Tree. Green-house evergreen vvhen they are so planted, 

 shrub. Young cuttings. Sandy loam. Stable dung is perhaps the best of all 

 well drained. factitious manures ; sea-weed is a very 



POSOQUERIA. Two species. Stove beneficial addition to the soil ; and so 

 evergreen shrubs. Cuttings. Loam and is salt, 

 peat. I Coal-ashes and sea-sand are applied 



POTATO. Solanum tuberosum ] with great benefit to retentive soils. 



Varieties, for forcing or first crop, in The situation must always be open, 

 the open ground : — Walnut-leaved Kid- Time and Modes of Propagation. — It 

 ney, earliest ; Broughton Dwarf; Early is propagated in general by the tubers, 

 Warwick; Ash-leaved Kidney, white, | though the shoots arising from thence. 



