118 CATALOGUE OF GREEr>f-HOUSE PLANTS. 



Salvia, INIexican 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 arhorcum, Tree House Leek. A succulent 

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

 by some admired as an evergreen. 



SiapeJia. A genus of dwarf succulent plants, producing 

 beautiful j^urple, striped, freckled, and star-like flowers, 

 within six inches of the surface ; in its varieties from May to 

 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 virdis and Thea 

 hoJiea. 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. 



Ttissilago 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 iripJujUa, named In some catalogues Aloysa citri 

 odora. A deciduous shrub, generally admired for the fra- 



