Propagation by Cuilini/H. 



207 



tings from the direct rays of the snu. Jlovable screens 

 used during sunshine only, are preferable to whitening 

 the glass, which causes too much shade when the sun is 

 not shining. 



Damping off, a much-dreaded disease causing cuttings 

 to rot at the surface of the bed, is promoted by excessive 

 heat, over- watering, or insufiacieut lightor air; 

 also by decomposing organic matter in the 



material of the bed. 

 Affected cuttings 

 should be piomptly 

 removed and the 

 trouble corrected. 



379. Green Cut- 

 tings should be Pot- 

 ted as Soon as Roots 



Form, which may be 

 detected by their 

 They should first be 

 placed iu small pots, and until they have commenced 

 growth in these, should be treated precisely as before 

 they were potted. 



Propagation by green cuttings includes three divisions, 

 of which the requirements differ in some respects, viz., 

 propagation by cuttings of herbaceous planta, of woody 

 plants and of the leaf or i^arts of the leaf (leaf cuttings'). 

 380. How to Make Green Cuttings of Herbaceous Plants. 

 In herbaceous plants roots develop most readily from the 

 younger and more succulent parts of the stem. Bend 

 the shoot near its terminus in the form of a U, and then 

 press the parts together. If the stems breaks with a 

 snap, it is in the proper condition to root promptly; if it 



Fig. 101. FiG.102. 



Fig. 101. Cutting of chrysanthemum. 

 Fig. 102. Rooted cutting of coleus. (Both 

 after Bailey). 



foliage assuming a bright color. 



