268 THE NURSERY-BOOK. 



Selaginella. Lycopodiacea. 



Spores. Short cuttings, inserted in very early spring, in 

 pots or pans. 



Sempervivum (House Leek). Crassulacece. 



Readily increased by seeds, or by the young plants which 

 appear around the old ones at the base. 



Senecio, including Cacalia, Cineraria, Farfugium, Jacobea 



Kleina, Ligularia (Groundsel, Ragweed). Composites. 

 The annuals are propagated by seeds. Others may be 

 increased by seeds, by divisions, or by cuttings both of the 

 roots and shoots. 



Sensitive Plant. See Mimosa. 



Sequoia, Wellingtonia (Redwood). Loniferce. 



Seeds, which must be handled in a frame or half-shady 



place. Layers, and cuttings handled like those of retinos- 



pora and yew. 



Sericographis. See Justicia. 

 Sesamum (Bene). Pedaliacece. 



Seeds, sown under glass, or in the south in the open 

 border. 



Sesbania, including Agati (Pea- tree). Leguminosce. 



Seeds for annual species ; the shrubby kinds by cuttings 

 of the half-ripened shoots under glass, in heat. 



Shad-bush. See Amelanchier. 



Shaddock. See Pomelo. 



Shallot (AHiutn Ascalonicutri). Liliaceoe. 



Grown from "cloves," which are formed by the breaking 

 up of the main bulb. 



Shell-bark Hickory (Shag-bak). See Hicoria. 

 Shepherdia (Buffalo Berry). Elceagnacece. 



Increased by seeds sown in the fall or stratified unti 

 spring. 



Sibbaldia. See Potentilla. 

 Siberian Pea-tree. See Caragana. 

 Sideritis. Labiatce. 



Seeds, divisions, cuttings. 

 Side-saddle Flower. See Sarracenia. 



