200 AGRICULTURE. 



(2) TIME DEPKNDS UPON: 



(a) Tendency of the Plant to Vary. 



(b) Rate of Development. 



^.PROPAGATION FROM BUDS. 



I. Cutting. 



1. Green Wood Cuttings. 



(1) LEAF CUTTINGS. 



(2) STEM CUTTINGS. 



2. Hard-wood Cuttings. 



(1) STEM CUTTINGS. 



(2) ROOT CUTTINGS. 



II. Budding. 



1. Spring Budding. 



2. Late Summer or Early Fall Budding. 



III. Grafting. 



General principles of. 

 Subdivisions of. 



1. With Reference to Position of the Scion Upon tht 



Stock. 

 (i) ROOT-GRAFTING. 



(a) Whole-root Grafting. 



(b) Piece-root Grafting. 

 (a) STEM-GRAFTING. 



(a) Top-grafting. 



(b) Crown-grafting. 



2. With Reference to Insertion of Scion Into the Stock. 



(1) TONGUE OR WHIP GRAFT. 



(2) CLEFT GRAFT. 



IV. Layering. 



i. Simple Layering. 

 2.. Mound Layering. 



3. Pot Layering. 



C. REFERENCES. 



