376 



THE GAKDENER'S ASSISTANT. 



are tuberous-rooted, and all the parts of the plant are in 

 threes in whorls. The flowers are white, or white and red, 

 or purple. They thrive in moist, shady situations, and 

 are suitable for such spots in the border shrubbery or 

 rock garden. 



T. erectum. Deep red-purple, 9 inches. North America. 



T. grandiflorum. White, large, 1 foot. North America. 



T. ovatum. White, small, 4 to 6 inches. North America. 



T. sessile, var. californicum. Creamy-white, leaves purplish, 

 2 feet. North America. 



T. stylosum. Pink, 6 inches. South United States. 



Triton ia aurca. — A useful border plant in the warmer 

 parts of the country, or it may be used for summer 

 bedding along with Gladiolus, &c, lifting and storing the 

 corms and runners in light soil for the winter. Where it 

 is hardy it soon becomes established, and covers a large 

 area. The leaves are grassy and the flower- spikes a foot 

 or more high, bearing numerous spreading orange-yellow 

 flowers. A variety called maculata or imperialis has 

 large flowers blotched with dark- brown. Native of South 

 Africa. 



466.— Tigridia Pavonia, 



Fig. 467.— Tropaeolum speciosum. 



T. asiaticus, and vara. 

 T. europceus, and vara. 



Trollius (Globe Flower). — Showy Buttercup -like 

 plants, thriving best in moist situations, and well suited 

 for the bog garden. They are effective, too, in the border 

 in moist loam. The luxuriant foliage is of a deep glossy- 

 green, and the flowers globular, of a rich yellow or 

 orange. 



Bright-orange, 2 feet. Siberia. 

 Yellow, l to 2 feet. Europe (Britain). 



Tropaeolum. — Showy plants for rock garden or 

 border, w r hether grown as trailers or climbers. They 

 succeed in any light, warm soil, and are of rapid growth. 

 They do not like to be disturbed, and once established 

 they flower well. T. speciosum likes a deep, cool soil, 

 although in some parts of the country it thrives in any 

 soil, provided it gets plenty of sunshine. The best of the 

 perennial species are: — 



T. Leichtlinii. Orange, trailer. Garden origin. 

 T. polyphyllum. Yellow, trailer, tuberous-rooted. Chili. 

 T. speciosum (fig. 467). Bright-scarlet, climber. Chili. 

 T. tuberosum. Scarlet and green, dwarf. Peru. 



Tunica Saxifraga is suitable for the rockery, border, 

 or old walls. It is 6 inches in height, and the flowers are 



Propagated by seeds. Native 



of a pretty pinkish shade, 

 of Europe. 



Veratrum. — Large-leaved plants of the Lily order, 

 with poisonous roots. They grow well in good rich soil, 

 and are worth a j)lace in the hardy-plant border. The 

 flowers are produced on tall spicate panicles, which are 

 very effective. Increased by division or seeds. 



V. album. White, 3 feet. Europe. 



V. nigrum. Black-purple, 5 feet. Europe. 



V. viride. Greenish, 3 feet. North America. 



Verbascum. — Ornamental plants of noble aspect, 

 suitable for isolated beds, or grouping in wild garden or 

 shrubbery. Their flowers are chiefly yellow or creamy- 

 white, and are produced on massive spikes 2 to 8 feet 

 high. The large leaves form immense rosettes, and 

 are often very downy ; even without the flowers they 

 form very striking objects. Propagation by seeds. Some 

 of them die after flowering. 



V. Chaizii. Small, yellow, 4 feet. South-west Europe. 

 V. nigrum. Yellow, 3 feet. Europe (Britain). 

 V. olympicum. Yellow, 6 to 8 feet. South Europe. 

 V. pannosum. Sulphur-yellow, 6 feet. Macedonia. 

 V. phoeniceum. Purple, 3 feet. Europe (Britain). 



