48 GARDEN FLOWERS. 



ARGEMONE. [Papaveraceae.] Annuals and perennials, 

 with white and yellow poppy-like flowers. Common garden 

 soil. They will not bear transplanting. The annuals are 

 propagated by seed, the perennials by suckers. The latter 

 require winter protection in the Northern States. 



A. grandiflora (large-flowered) ; hardy perennial ; 2 feet ; 

 flowers white, in July ; Mexico ; 1827. A, intermedia (interme- 

 diate) ; hardy perennial ; 18 inches ; flowers white, in July ; 

 Mexico; 1827. A. Mexicana (Mexican); hardy annual; 2 

 feet; flowers yellow, in July ; Mexico; 1592. A. ochroleuca (yel- 

 lowish) ; hardy annual ; 2 feet ; flowers cream-colored, in July : 

 Mexico ; 1827. 



ARIS^EMA. [Araceae.] Hardy and half-hardy tuberous- 

 rooted perennials, with a curious and spathaceous inflores- 

 cence. Soil, peat and loam. Propagated by division. 



A. dracontinm (dragon) ; hardy tuber ; 2 feet ; flowers green, 

 in June; North America; 1759. A. ringens (gaping); half- 

 hardy tuber ; 6 inches ; flowers in May ; Japan ; 1800. A. ter- 

 natum (ternate) ; half-hardy tuber ; 9 inches ; flowers purple, 

 in May; Japan; 1774. A. tripJiylluin (three-leaved); hardy 

 tuber ; 9 inches ; flowers brown, white, purple, and green, in 

 May ; North America ; 1664. 



This latter species is commonly known as " Indian Tur- 

 nip," "Jack in the Pulpit," or " Wild Arum." In cultivation, 

 it grows very large, and is very curious in flower, and orna- 

 mental in fruit. 



ARISTOLOCHIA. Birthwort. [Aristolochiaceae.] (Dutch- 

 man's Pipe.) Hardy greenhouse or stove herbs or shrubs, 

 often with twining stems. Soil for the hardy sorts, rich 

 loam and sand ; plenty of root-room. Propagated by layers. 

 The twining species are rampant climbers, often growing 

 thirty feet high : they should have plenty of room, to appear 

 to advantage. They are increased by layers and division. 



The following are the hardy and half-hardy species, of 



