302 Encyclopaedia of Gardening 



radicans), scarlet, summer, is hardy on a wall (see the Botanical 

 Magazine, t. 485) ; praecox is an early and Thunbergi a late variety 

 of it. The Tecomas like sandy loam, and are propagated by seeds 

 or root cuttings. 



Tecophilaea (tecophilae-a, after Tecophila. Ord. Haemodora- 

 ceae). A pretty Crocus-like bulb, T. Cyanocrocus produces its 

 blue, white-throated flowers in spring on stems about 6 ins. high. 

 Leichtlinii and Regelii are varieties of it. They like a light, friable 

 loamy soil, and are propagated by seed in spring or offsets while 

 dormant. Good for rockery or frame culture. 



Telekia. See Buphthalmum. Telekia speciosa (Botanical Maga- 

 zine, t. 3466) is the same as Buphthalmum speciosum, a hardy 

 herbaceous perennial. 



Tellima (tell-ima, an anogram of Miiella. Ord. Saxifrageae) . 

 An unimportant genus, one species of which, grandiflora, a hardy 

 perennial with greenish flowers in April, growing about 2 ft. high, is 

 worth growing. It likes sandy peat. Propagation is by seed or 

 division in spring. See the Botanical Register, t. 1178. 



Terraces. When a house is built on sloping ground levelling is 

 necessary, and it is not unusual to form a terrace in front of the 

 principal rooms, supported by a wall or bank. With a large area 

 available more than one 1;errace may be made. The levels may be 

 laid out as gardens, and the w r alls planted with suitable climbers. 



Testudinaria elephantipes, Elephant's Foot (testudina-ria, from 

 testudo, a tortoise. Ord. Dioscoreaceae) . A singular plant, with 

 a large woody covering to the rootstock; it is a deciduous climber 

 with yellow flowers in summer, requiring a warm greenhouse. 

 Loam and peat in equal parts, with sand, suit. Propagation is by 

 cuttings under a bell-glass in spring. Syn. Tamus elephantipes 

 (Botanical Magazine, t. 1347). 



Thalictrum, Meadow Rue (thalic-trum, from thallo, to become 

 green. Ord. Ranunculaceae). Hardy herbaceous perennials, 

 admired as much for their elegant fern-like foliage as for their 

 flowers, which, however, are also attractive. The most popular 

 species, perhaps, is minus (syn. adiantif olium) , the foliage of which 

 resembles the Maidenhair Fern ; the yellow flowers are borne in early 

 summer on stems about a foot high; there are several varieties. 

 Anemonoides (syn. Anemone thalictroides Botanical Magazine, 

 t. 866), with yellow flowers in early spring; and aquilegifolium, 

 purple flowers in early summer (Bot. Mag., t. 1818), grow about a 

 yard high; atropurpureum is a good dark variety of the latter. 

 They are good for the herbaceous border, where they thrive in 

 friable loamy soil. Propagation is by division of the rootstock in 

 spring. 



Thermometer. An instrument for registering the temperature. 

 There are three scales in use; the Fahrenheit, in which the freezing 

 point of water is 32 and the boiling point 212; the Reaumur, 

 freezing point o and boiling point 80; and the Centigrade or 

 Celsius, freezing point o, boiling point 100. These scales may be 



