AGERATUM ALISMA. 1 63 



Ageratum, Cselestina. ComposiUe. 



Sow the seeds in January, in Iieat, in sandy soil. When 

 large enough, pricl; them off into thumb pots, and keep 

 in heat till they grow freely ; then place them in a cooler 

 house. Cuttings are commonly used for propagation. 



Agrostis (Bent Grass). Gramineirc . 



Increased easily by seeds, sown in spring in the open 

 border. 



Ailanthus (Tree of Heaven). Siniarubacea:. 



Propagated by suckers ; and by pieces of the roots 

 planted in a pot with their points above the ground, and 

 placed in a hotbed. Seeds are used when large quanti- 

 ites are desired. 



Ajuga (Bugle). Labialcr. 



Perennials, propagated by seeds sown in the open bor- 

 der, during spring or autumn ; by divisions. Annuals, by 

 seeds. 



Akebia. Bcrbcridacac. 



Seeds. Layers of young or ripe wood. Dormant (or 

 firmwood) cuttings, under glass in summer. 



Albuca. Liliacea:. 



Propagated by seeds and by offsets (bulbels) from the 

 old bulb. 



Alchemilla (Lady's Mantle). Rosacea:. 



Propagated by seeds or by divisions of the roots. 

 Alder. See AInus. 

 Aleurites. Euphorbiacca;. 



Propagated by ripe cuttings in sand, under a hand- 

 glass. Do not remove leaves. 



Alexandrian LaureL See Ruscus. 

 Alfalfa. See Medicago. 

 Algaroba Bean. See Carob. 

 Alhagi (Manna Tree). Legnininosa:. 



Increased by seeds sown in a hotbed ; and by cuttings 

 rooted in sand, with a bell-glass over them, in heat. 



Alisma (Water Plantain). Alismacccc. 



Increased by seeds, which should be sown in a pot 



