CATESB^EA CELERY. 203 



Catesbaea (Lily Thorn). Rubiacea. 



Propagated by cuttings planted in sand in spring, and 

 plunged in heat. 



Catnip, or Catmint (Nepeta Cataria}. Labiata. 



Seeds. Division. 

 Cat-Tail. See Typha. 

 Cattleya. Orchidacea. 



Increased by the pseudo-bulbs. (See under Orchids. ) 

 Cauliflower. See Cabbage. 

 Caulophyllum (Blue Cohosh). Berberidacecz. 



Propagated by divisions of the roots, made in early 

 spring or after flowering. Also by seeds, stratified. 



Ceanothus. Rhamnacece. 



Increased by layers, which is the readiest way of obtain- 

 ing strong plants, or by cuttings, which should be inserted 

 in a coldframe. Stratified seeds. 



Cedar. See Cedrus and Juniperus. 



Cedrela (Bastard Cedar). Meliacetz. 



Increased by large ripened cuttings, placed in sand, in 

 heat. C. Sinensis by root-cuttings. 



Cedronella. Labiates. 



The herbaceous species by division of the roots or by 

 cuttings of young wood. C. triphylla by cuttings. 



Cedrus (Cedar). Conifercr. 



Increased by seeds, which are difficult to extract from 

 the cones. Gather the cones in spring, and sow the seeds 

 immediately in pans. Varieties are propagated by veneer 

 grafts. 



Celastrus (Staff-tree, Bitter-sweet). Celastracecz : 



Propagated by seeds and suckers ; also by layering the 

 hardy species in autumn. Ripened cuttings will root 

 freely in a compost of loam, peat and sand. 



Celery ( Apium graveolens}. Untbelliferce. 



By seeds, as described on pages 5, 22 ; or, for the early 

 crop, sow under glass, as in a hotbed. 



