THE NURSERY LIST. 



233 



OxyCOCCUS. See Cranberry. 

 Oxydendron (Sorrel-tree). Ericacece. 



Increased by seeds, which must be handled carefully in 

 light soil. Also by layers, which, however, often root with 

 difficulty. 



Oxylobium, including Callistachys, Podolobium. Leguminosce. 

 Increased by seeds and layers. Cuttings of rather firm 

 side young shoots, made during spring. 

 Oyster Plant. See Salsify. 

 Oxytropis. Leguminosce. 



Seeds should be sown where the plants are to stand ; also 

 by dividing the plant in spring. 



Pachira, Carolinea Malvaceae. 



Seeds. Large cuttings cut at a joint, with the leaves on, 

 in heat. 



Pseony (Peony, Piney). Ranunculaccce. 



Seeds, giving new varieties, are sown as soon as ripe. The 

 seedlings seldom rise above the surface the first year, all their 

 energies being spent in the formation of roots. The common 

 herbaceous varieties are oftenest propagated by division of 

 the clumps. Each portion should possess at least one bud 

 upon the crown. All woody species may be increased by 

 layers and cuttings. Cuttings are taken late in summer, cut 

 to a heel, and are handled in a frame or cool greenhouse. 

 During winter they should be kept from freezing. The 

 shrubby species and P. Moutan are often grafted, and all 

 species can be handled in this way. The operation is per- 

 formed in late summer or early autumn, and the grafts are 

 stored in sand or moss where they will not freeze. The next 

 spring they are planted out. The cion is made from a strong 

 short shoot, destitute of flower buds, and is set upon a piece 

 of root, as described and figured on a previous page (p. 88, 

 Fig. 85). Some prefer to cut a wedge-shaped portion from 

 the side of the stock, in which to set the cion, rather than to 

 split the stock ; but either practice is good. Strong roots of 

 various varieties or species may be used. The Chinese paeony 

 (P. Moutan], P.officinalis and P. albi flora are probably often 

 est used. 



Painted-cup. See Castilleia. 



Palafoxia. Composita. 



Seeds, commonly sown under glass, or in mild climates 

 sown in the open. 



