THE NURSERY LIST. 2 7 I 



Sphaeralcea, Sphaeroma (Globe Mallow). Malvaceae. 



Seeds ; by cuttings of the young growth under glass, and 

 kept shaded until rooted. 



Spiderwort. See Tradescantia. 



Spinage (Spinacia oleracea}. Chenopodiacece. 



Seeds, sown usually where the crop is to stand, either in 

 fall or spring. 



Spiraea (Spirea, Meadow-Sweet). Rosacece. 



Seeds, sown as soon as ripe or stratified until spring. 

 Commonly increased by cuttings, either of mature or green 

 wood. Green cuttings usually make the best plants. These 

 are made in summer and handled in frames. Some sorts, as 

 S. aricefolia, S. opulifolia and varieties (Nine-bark, now 

 known as Neillia or Physocarpus opulifolia} and S. prunifolia, 

 are usually grown from layers put down in spring. The her- 

 baceous kinds are often increased by division. 



Spondias (Hog Plum, Otaheite Apple or Plum). Anacardiacece. 

 Seeds ; by large cuttings of growing wood, which should 

 be inserted in sand or mould, in heat. 



Spruce. See Picea and Abies. 



Squash (Cucurbita, three species). Cucurbitaccce . 



Seeds, when the weather becomes warm. 

 Squill. See Scilla. 



Stachys, Betonica, Galeopsis (Hedge Nettle, Woundwort) 

 Labiatce. 



Seeds, divisions, or cuttings. Some species (as the Crosnes 

 or S. tuberifera of recent introduction) are increased by 

 subterranean tubers. 



Staff-tree. See Celastrus. 

 Stanhopea. Orchidece. 



Division of the old roots. (See also under Orchids.) 

 Stapelia (Carrion Flower). Asclepiadece. 



Seeds ; commonly by cuttings in heat. 

 Staphylea (Bladder-nut). Sapindacece. 



Seeds sown as sown as ripe or stratified until spring. By 

 suckers, layers, and cuttings of roots or of mature wood. 



Star Apple. See Chrysophyllum. 



