ALPHABETICAL LIST OF PLANTS 287 



Gypsophila (Caryophyllaceae), Chalk Plant 



The dwarfer-growing species of this genus are indispensable rock 

 plants, of the easiest culture. Although chalk-loving, they do quite 

 well in ordinary, well-drained soil in full sun. 



G, cerastoides. — Only grows about 3 inches high, and of spreading 

 habit. It is a fairly rapid grower, forming a good tuft in a couple of 

 years. Flowers, about half an inch across, are white, with violet 

 streaks, and are freely produced during the summer. A first-class 

 plant, and easily increased by division or seeds. 



G. p7-ostrata. — A rapid-growing, trailing plant, forming mats of 

 glaucous, succulent-looking foliage, and myriads of small white 

 flowers. Of easiest culture, and readily increased by layers or seeds. 

 A delightful plant for growing over a rock or bank. Rosea is a 

 variety, having pink flowers equally floriferous. 



G. repens. — Of creeping habit. Leaves glabrous. Flowers white 

 or rose-coloured. Shy bloomer. G. repens Monstrosa is a variety, 

 larger in all its parts and rather coarse-growing. 



G. Simdermanni. — Has glaucous foliage and pink flowers. 



Habenaria (Orchidaceae) 



A genus of hardy orchids charming for the bog garden. They 

 all require a moist soil composed of equal parts of sand, peat, and 

 leaf-mould, in partial shade. In order to protect the roots from the 

 sun, mulch the plants with mown grass. The following are the 

 best kinds to grow : — 



H. blepharoglottis. — Beautifully fringed white flowers in June 

 and July. 



H. ciliaris. — Golden-yellow flowers, with a fringed lip, borne in 

 spikes about 12 inches high, in July. 



H. fijnbriata. — Beautifully fringed lilac-purple flowers, borne in 

 long spikes. 



H. psycodes. — Fragrant rosy-crimson flowers, borne in spikes 

 9 inches long. Very pretty. 



Haberlea rhodopensis (Gesneraceae) 



A shade-loving plant, forming rosettes of leaves very like 

 Ra7nondeapyrenaica,hom. which spring slender stalks about 4 inches 

 long, each bearing three to four flowers exactly like a Streptocarpus ^ 

 of a bluish-lilac colour, with a yellow throat. It requires to be 

 grown in fibrous peat, and should be planted in vertical fissures in 

 a northern aspect, where the sun never reaches. It can also be 

 planted on the level, but in such a way that rain cannot lie in the 



