CLOVE DOUBLE-WORKING. 339 



Clove. One of the small separable portions of a composite 

 bulb, as in the garlic. 



Corm. A solid bulb-like tuber, more or less covered with a 

 sheathing or enwrapping tissue, as in the crocus and 

 gladiolus ; bulbo-tuber. Fig. 25. 



Cormel. A small corm borne about another or mother 

 corm. Page 31. Fig. 25. Sometimes called spawn. 



Crown. A detachable portion or branch of a rootstock bear- 

 ing roots and a prominent bud. Page 32. 



That portion of the plant at the surface of the ground 

 which stands between the visible stem and root ; collar. 



Crown-grafting. Grafting upon the crown or collar of a 

 plant (z. e., at the surface of the ground). Page 107. 



Also applied to bark-grafting (but improperly). Page 

 129. 



Cuttagc. The practice or process of multiplying plants by 

 means of cuttings, or the state or condition of being 

 thus propagated. [First used by the present author in 

 26th Report of the State Board of Agriculture of Mich- 

 igan, p. 432 (1887). Equivalent to the French boutu- 

 rage.~\ See Chapter IV. 



Cutting. A severed portion of a plant, inserted in soil, 

 water, or other medium, with the intention that it shall 

 grow; a slip. See Chapter IV. 



Cutting-bench. A bed or table in a glass-house, or under 

 cover, used for the rooting of cuttings. Fig. 58. 



Cutting-grafting. The grafting of a cion upon a cutting. 

 Page 131. Figs. 105, 137. 



Damping-off . The rotting away of the tissue of plant stems 

 at or near the surface of the ground. It is the work of 

 fungi or of germs. Page 23. 



Division. Propagation of plants by means of severed por- 

 tions of the root system or of subterranean stems. 

 Pages 32 and 58. 



Double- working. Grafting or budding upon a plant or shoot 

 which is itself a graft or bud. Page 133. Fig. 140. 



