424 THE NURSERY-MANUAL 



Stenotaphrum (St. Augustine Grass). Gramineoe. 



Propagation is mostly by cuttings or parts of the creeping 

 rhizomes. 



Stephanotis. Asclepiadacece. 



Multiplied by seeds when obtainable ; also by cuttings of half- 

 ripe wood in spring or at other times under a frame in the 

 greenhouse. 



Sterculia. Sterculiacece. 



Increased by seeds and by ripened cuttings. The commonest 

 species, S. platanifolia but preferably to be called Firmiana simplex, 

 seeds freely in the southern states ; it is the Japanese varnish tree. 



Sternbergia. Amaryllidacece. 



Increased by offsets ; also by seeds when they can be obtained. 

 Stewartia (Stuartia). Ternstrcemiacece. 



Grown by seeds sown soon after maturity ; also by layers, and 

 by cuttings of various degrees of maturity under cover in summer. 



Stigmaphyllon. Malpighiacece. 



'Propagates well by means of firm cuttings in autumn ; seeds may 

 be employed, if obtainable. 



Stillingia. Euphorbiacece. 



Easily handled by imported seeds or by cuttings placed in sand 

 in heat. 



Stipa. Graminece. 

 Propagated by seeds, or by division of established plants. 



Stizolobium : Velvet Bean. 

 Stocks : Matthiola. 



Stokesia. Composites. 



Grown from seeds and by division ; blooms second year from seed. 



Strawberry (Fragaria). Rosacece. 



New kinds are produced from seeds, which are usually sown as 

 soon as the berries are dead ripe. The berries are crushed and the 

 seeds separated by rubbing the pulp in dry sand, which is then sown 

 with the seeds. 



Varieties are commonly increased by offsets, or plants formed at 

 the joints of runners. These runners appear after the fruit is off 

 (Fig. 58). The ground should be soft and somewhat moist, to enable 



