280 MANUAL OF GARDENING 



Primula cortusoides. — Height, 9 inches ; third week of May ; flowers, 

 small, deep rose, in compact heads. 



Pyrethrum (or Chrysanthemum) uliginosum. — Height, 4 feet ; Sep- 

 tember ; flowers, large, white with yellow centers, and borne singly 

 on long stems. 



Rvdbeckia laciniata^ (Golden Glow). — Height, 5 to 6 feet; August; 

 flowers, large, lemon-yellow, double, and borne on long stems. 

 One of the best of lately introduced perennials, t 



Rvdbeckia maxima.^ — Height, 5 to 6 feet ; July and August ; flowers, 

 large, with a long cone-shaped center and bright yellow rays, and 

 borne singly. The whole plant is very striking. 



Scabiosa Caucascia. — Height, 1 § feet ; first week of July ; flowers, 

 large, light blue, and borne singly on long stems, very freely through- 

 out remainder of the summer. 



Solidago Canadensis * (Golden-rod) . — Height, 3 to 5 feet ; first week of 

 August; flowers, small, golden yellow, and borne in dense pani- 

 cles. 



Spircea (properly Aruncus) astilboides. — Height, 2 feet ; fourth week 

 of June ; flowers, small, white, very numerous, and borne in many 

 branched panicles. Both foliage and flowers are ornamental. 



SpircBa (or Ulmaria) Filipendula. — Height, 2 to 3 feet ; third week of 

 June; flowers, pure white, borne profusely in loose panicles. The 

 foliage of this species is also very good. There is a double flowered 

 variety which is very effective, f 



Spircea {Ulmaria) purpurea var. elegans. — Height, 2 to 3 feet; first 

 week of July ; flowers, whitish with crimson anthers, borne very pro- 

 fusely in panicles. 



Spircea Ulmaria ( Ulmaria pentapetala) . — Height, 3 to 4 feet ; second 

 week of July ; flowers, very numerous, dull white, borne in large com- 

 pound heads, having a soft, feathery appearance. 



Spircea venusta {Ulmaria rubra var. venusta). — Height, 4 feet; second 

 week of July ; flowers, small, bright pink, borne profusely in large 

 panicles, t 



Statice latifolia. — Height, 1| feet; first week of July; flowers, small, 

 blue, borne very profusely in loose panicles. Very effective in the 

 border. 



Thalicirum aquilegifolium. — Height, 4 to 5 feet ; fourth week of 



