114 CATALOGUE OF GREENHOUSE PLANTS. 



there are several varieties, furnishing pretty tubular and 

 corymbose straw-coloured flowers in the Winter and Spring. 

 Heliotr opium. Peruvian Heliotrope. A species of soft 

 shrubby dwarf plants, which, when cultivated in a warm 

 situation, will yield abundance of delicate blue, or purple 

 flowers ; from January to September. 



Helychrysum. Eternal Flower. There are several spe- 

 cies and varieties of this plant, producing soft downy 

 foliage and durable flowers, which, if cut before they are too 

 far advanced, will retain their splendour several years. 

 * Hibiscus Chinensis. This half-hardy herbaceous plant 

 is worthy of a place in the greenhouse, as some species 

 will yield flowers six inches in diameter, if well attended to 

 and frequently watered; the colours are crimson and blush. 



Hoya. Wax Plant. A fine climbing species, adapted to 

 the hot-house, the leaves being succulent, green and fleshy, 

 require considerable heat and but little water. Some pro- 

 duce pink flowers, and others white, in April and May. 



Hydrangea hortensis. The Hydrangea is a well known 

 deciduous half-hardy soft-wooded shrub, producing large 

 pink balls of blossom, when cultivated in a shaded border, 

 from May to October; and by mixing iron dust from a 

 blacksmith's shop with the soil, or by growing the plants in 

 swamp earth, or mould from decayed leaves, the flowers 

 will become blue. 



Hypericum. St. John's-wort. A half hardy little plant, 

 producing yellow flowers from April to June. There are 

 several species, some producing scarlet blossoms. 



lllicium Aniseed Tree. A dwarf species of shrub, the 

 leaves of which when rubbed, smell like anise; some pro- 

 duce red, and others yellow flowers, in March and April. 



Indigofera. Indigo Tree. A free-flowering shrub, of 

 which there are several species ; the flowers, which grow 

 in long panacles, are red, yellow and pink. 



Jasminum. Jasmine. Of this favourite genus, there are 

 several species of various complexions. The Catalonian Jas- 



