118 CATALOGUE OF GREEN-HOUSE PLANTS. 



Salvia, Mexican Sage. A free-blooming plant, produ- 

 cing in the different species, scarlet and blue flowers in 

 spiked whorls ; cuttings of which, if taken from stock plants 

 in the green house early in spring, and planted in good gar- 

 den soil, will embellish the borders three or four months of 

 the summer. 



Sempervivum arboreum, Tree House Leek. A succulent 

 plant, similar to the common house leek, on a dwarfish stem ; 

 by some admired as an evergreen. 



Stapelia. A genus of dwarf succulent plants, producing 

 beautiful purple, striped, freckled, and star-like flowers, 

 within six inches of the surface ; in its varieties from May t<r 

 November. 



Stevia serrata, Vanilla-scented Stevia. This plant, al 

 though usually cultivated as an annual, is worthy of green- 

 house culture, from its affording fragrant and ornamental 

 materials for bouquets the whole winter. 



Strelitzia regina, Queen's Strelitz. A beautiful dwarf 

 plant, producing from a stalk from one to two feet long, 

 several flowers of a bright yellow, contrasted with blue, from 

 May to September. 



Tecoma capensis. A perennial plant, producing orange- 

 coloured trumpet flowers in clusters, very similar to the 

 Bigonia tribe, toward the end of summer. 



Thea, Tea. Of this celebrated Chinese plant, which sup- 

 plies a great portion of the human family with their domes- 

 tic beverage, there are two varieties, Thea viridis and Thea 

 bohea. The plants, when .cultivated in a green-house, are 

 by no means of rapid growth, nor are the flowers, which are 

 white, of any great beauty. 



Tassilago fragrance. A half-hardy herbaceous Perennial 

 plant, by some much esteemed for its heliotrope-scented 

 blossoms, which spring up in clusters from December to 

 March. 



Verbena triphylla, named in some catalogues Jlloysa citri 

 odora A deciduous shrub, generally admired for the fra- 



