3O0 THE NURSERY LIST. 



Pistacia. AnutaydiaLeLe 



Seeds, cuttiiiifs and layers. Tlie pistacio-nut or "green 

 almond" ( /-'. vera) is usually grown from seeds, which 

 are planted where the trees are to stand. It is sometimes 

 grafted tipiin P. Terehiii/hiis, to give it greater vigor. 



Pitcairnia. See Billbergia. 



Pitcher-plant. See Nepenthes and Sarracenia. 



Pittosporum. Pi/tosporaceor. 



Seeds, and by cuttings of the growing '.)r ri|ie wood, 

 under glass. 



Planera (Planer-tree). UrticacecF. 



Propagated by seeds, which should l)c handled like elm 

 seeds. 



Plane-tree. See Platanus. 



Plantago (Plantain). Plaii/affiiiaceiT. 



Seeds. The perennial species also Vjy ilivisinn. 

 Plantain (fruit). See Banana; also Musa. 



Platanus (Plane-tree, Buttonwood ; .Sycanmre, improperly). 

 J'/ataiiacece. 

 Usually propagated by seeds, but layers and ripe-wood 

 cuttings may be employed. 



Platycerium (.Stag's-Horn Fern). Fi/ices. 



Chiefly by division. See Ferns. 

 Platycodon, Wahlenbergia. Cainpatmlacccr. 



Propagated bv seeds, and, when old plants .are obtain- 

 able, by division. 



Plectocomia. Pahiiaccir. 



Seeds. May be increased by suckers. 



Plum ( Pniiius, many species). Rosacccc. 



There are so many species of plums in cultiv.ation, an.d 

 the varieties ot the same species are often su ditlerent m 

 constitution and habit, that it is difhcult to give advice 

 concerning their propagation. All the species grow read- 

 ily from fresh, well-ripened seeds. The pits should be 

 removed from the pulp and then stratified until spring. 

 If they are allowed to Ireeze, the germination will be 

 more uniform, as the pits will be more easily opened by 

 the swelling embryo. Plum pits are rarely cracked by 



