herbaceous plants. 3" 



arockery or in moist lawns. P. Caroliniana is au Ameri- 

 can plant about twice as tall as the preceding one. Stems 

 simple, one-leaved, bearing one solitary large white flower 

 with greenish veins. Hoot leaves orbicular or reniform. 

 Banks of meadow-brooks. Flowers in July. 



Alum Root, Heuchera. — Most of the species of this 

 fjeuus are of no importance as ornamental plants. The 

 Mexican alum root (H. sanguined) is, however, an exceed- 

 ingly beautiful plant with tufted, heart-shaped or rounded, 

 slightly lobed leaves and leafless peduncles bearing a panicle 

 of bright red flowers. A fine plant for moist places in rock- 

 eries. Grows best in a mixture of sandy loam and leaf mold. 



Saxifrage, Saxifraga. — Very handsome plants growing 

 in alpine meadows or in the crevices of rocks in high 

 mouutain regions. The following are true rock plants and 

 should be planted or sown in the crevices of rocks well 

 filled with a compost of rich, sandy loam, leaf mold, and old 

 mortar or brick rubbish. If grown in very dry positions, 

 an occasional soaking will be very beneficial, especially in 

 places where there is no dew : *S'. aizoides, leaves linear- 

 oblong, in crowded masses; flowers golden-yellow, half au 

 inch in diameter, very 

 numerous in summer. 

 Height two or three 



inches. S. Bur* r'niint, r ^^$^jk$ 



FIQ. 140-— BURSER'S SAXIFRAGE (SAXIFRAGA 

 BURSERIANA). 



leaves sharply three '-^^B* 



angled in rosettes ; plant 



densely tufted with large, creamy white flowers. 8. ccesici; 



leaves linear-oblong, grayish ; flowers milky white, in small 



panicles. Height one to three inches. 8. Camposii, leaves 



