v 



176 THE NURSERY LIST. 



Argyreia (Silver- weed). Convolvulacetz. 



Propagated by cuttings, which will do well in sand, 

 with a hand-glass over them, in a little bottom heat. 



Arisaema. Consult Arum. 

 Arisarum. Aroidecz. 



Propagated in spring by seeds or divisions of the root. 

 Aristea. Iridacecs. 



Increased by seeds and divisions. 

 Aristolochia (Brithwort). Aristolochiacecs. 



Propagated by seeds and layers, which are not very 

 satisfactory. Cuttings of tender sorts root freely in sand, 

 with bottom heat. The seeds must be fresh. 



Armeria (Thrift, Sea Pink). Plumbaginacecz. 



Increased by seeds sown in spring, in pots of sandy 

 soil, and placed in a coldframe ; by division, separate 

 pieces being planted as cuttings under hand-glasses. 



Arnebia. Borraginacece. 



Seeds. Cuttings of the strong shoots should be in- 

 serted in pots of sandy soil, and placed in gentle heat. 



Arnica. Composite. 



Propagated by seeds sown in a coldframe in spring, 

 and by divisions, which should be made in spring. 



Arrow-root. See Calathea. 



Artabotrys. Anonacecz. 



Propagated by seeds ; and in the north by cuttings of 

 ripened wood, placed in early spring in sand under a 

 frame, with bottom heat. Similar treatment to Anona. 



Artemisia (Mugwort, Southernwood, Wormwood). Com- 

 posites, 



The annuals by seeds ; the herbaceous ones by divid- 

 ing at the root ; the shrubby kinds by cuttings. 



Arthrostemma. Melastomacece. 



Propagated by cuttings of small, firm side shoots, 

 which will root, in April or August, under a hand-glass 

 in sandy soil. 



Artichoke ( Cynara Sc olymus ) . Composites. 



Grown from seeds. Although the plant is perennial. 



