ORNAMENTAL TREES, SHRUBS, ETC. 91 



A. Millefolium riibrum. Red-Flowered Yarrow. Deep red ; 15 inches. 

 June to August. 



A. Ptarmica, var. fl. pi. Double-fowering Sneezeavort. Pretty, double 

 white flowers. Valuable for cutting. 



ACONITUM. Monkshood, or Wolfsbane. 



Erect growing plants, with palmately divided foliage. Flowers in racemes, blue r 

 purple, yellowish or white. 



A. Californicum. California Monkshood. Pale blue, veined with pur- 

 ple ; robust ; 2 to 3 feet. September to October. 



A. Japonicum. Japan Monkshood. Deep blue; 18 inches. August. 



A. lebeginum. White, bordered with blue. 



A. Napellus. Common Monkshood. Pale azure, tipped with yellow; 18 

 inches. June. 



A. septeiltrionale. Purplish blue, edged yellow ; 18 inch as. August. 



A. temiifolium. Deep azure; 12 inches. July. 



ACORUS. Sword Grass. 



Marshy plants of easy culture. 



A. graminea variegata. Variegated Sword Grass. Foliage distinctly 

 striped with white. 



ACTiEA. Baneberry. 



A. raeemosa. Spikes of white flowers. 4 to 6 feet. June and July. 



ABONIS. 



A. vernalis. One of the finest spring-flower- 

 ing plants, with finely divided leaves, and growing 

 about six inches high. Flowers bright yellow, 

 about two inches in diameter. 50 cents. 



AIRA. 



A. foiiis variegatis. A distinct yellow 

 striped grass. One of the finest hardy grasses ; use- 

 ful for edging. 



AJUGA. Bugle. 



Pretty dwarf plants, with flowers in whorls in the 

 axils of the leaves. 



A. pyramidalis. Fineblue flowers, 3 inches. 

 May and June. adonis. 



A. reptans var. rubra (Ked-leaved Bugle). Flowers blue, foliage purple 

 spreading. May. 



ALSTRCEMERIA. 



A. aurantiaca. A vigorous species, flowering in summer and autumn, in um- 

 bels. Flowers orange ; 2 to 4 feet. • 



AMSONIA. 



Native plants, with alternate leaves, and terminal panicles of pale blue flowers. 



A. salicifolia. Willow-leaved Amsonia. Pale blue, star-shaped flowers; 

 2 feet. Mav. 



