362 ROCK GARDENS 



Stylophorum diphyllum (Pa paver aceae) 



Greyish foliage and large yellow flowers. Blooms in June. Is 

 of easy culture, and grows about 12 to 18 inches high. 



Symphyandra (Campanulaceae) 



A small genus belonging to the Campanula order. They require 

 well-drained, rich, sandy loam and leaf-mould. 



S. pendula. — Is of trailing, pendulous habit. Flowers large and 

 funnel-shaped, and of a transparent creamy-white. Blooms in 

 August. Hardy, and of easy culture. A very choice plant for a 

 shady position to hang over some rock. Slugs are very fond of it. 

 Division or seed. 



S. Wanneri.—0{ erect habit, growing about 12 inches high. 

 Blue funnel-shaped flowers, freely produced, on branching racemes. 

 Blooms in the summer. Of easy culture, and likes a half-shady 

 position. 



Tanakaea radicans 



Likes a north aspect in peaty soil. It has rosettes of leathery, 

 lanceolate leaves. Flowers white and small, in feathery spikes, 

 rather like a Spiraea. Blooms in early spring. A recent introduc- 

 tion from Japan. 



Teucrium (Labiatae), Germander 



Few species of this genus are worth growing. They are all of 

 easy culture in any light soil. Increased by seed or division. 



T. Chamaedrys. — A good wall plant. Rosy-purple flowers in 

 whorls. 



T. Marum (Cat Thyme).— Rosy-lilac flowers in pairs at axils of 

 upper leaves. 



T. pyrenaicum. — Purple and white flowers in whorls. Prostrate 

 habit, growing only about 4 inches high. Quite a pretty little 

 plant for an odd corner, and the best of the genus. 



T. Poltum.— SWwery foliage. Flowers white, yellowish, or purple, 

 in whorls. 



Thalictrum (Ranunculaceae) Meadow Rue 



Of this genus the following are the most suitable for the rock 

 garden. They can be increased by seed or division. 



T. alpi?iuni. — Cool, peaty corner. Grows 8 to 10 inches high. 

 Flowers purplish, in drooping racemes. 



T. anemonoides. — Light, well-drained soil in a sheltered corner. 

 Grows 6 inches high. Foliage like a maiden-hair fern. Flowers 



