ILLUSTRATIONS 



PLATES. 



Page. 

 Plate I. Fio. 1. — Root growth of a blueberry plant in clay mulched with 



leaves. Fig. 2. — Root growth of a blueberry plant in peat 24 



II. Blueberry seedlings in peat and leaf mold 26 



III. Fig. 1.— Formation of kalmia peat, top layer. Fig. 2.— Formation 



of kalmia peat, second layer 34 



IV. Fig. 1.— Formation of kalmia peat, third layer. Fig. 2.— Formation 



of kalmia peat, fourth layer - - - 34 



V. Fig. 1.— Formation of kalmia peat, fifth layer. Fig. 2.— Formation 



of kalmia peat, sixth layer 34 



VI. Fig. 1. — Swamp blueberries from the parent bush of the seedlings of 



1908. Fig. 2. — Seeds of the swamp blueberry 52 



VII. Blueberry seedling four and a half months old 60 



VIII. Cold frames containing one-year-old blueberry seedlings 68 



IX. Large one-year-old seedlings of the swamp blueberry 70 



X. Fig. 1. — Flow'eringbudsandleaf buds on blueberry twigs. Fig. 2. — 

 Flowering buds on a blueberry cutting. Fig. 3. — Flowering buds 



on blueberry cuttings 72 



XI. Yearling blueberry plant with 42 flowering buds 74 



XII. Fig. 1. — Blueberry plant which was wintered indoors beginning 

 growth in the spring. Fig. 2.— Blueberry plant which w'as win- 

 tered outdoors beginning growth in the spring 76 



XIII. Fig. 1. — Blueberry plant which was wintered indoors continuing 



growth in the spring. Fig. 2. — Blueberry plant which was win- 

 tered outdoors continuing growth in the spring 76 



XIV. Irregular flowering of a blueberry plant wintered indoors 78 



XV. Berry ripened on a blueberry seedling at the age of 19 months 80 



XVI. Fig. 1. — Grafted blueberry. Fig. 2. — Blueberry seedling success- 

 fully budded 84 



XVII. Blueberry plants from twig cuttings 86 



XVIII. Blueberry plant from a twig cutting 88 



TEXT FIGURES. 



Fig. 1. Rose cutting in rich garden soil 16 



2. Rose cutting in peat mixture 16 



3. Alfalfa seedlings in rich garden soil 17 



4. Alfalfa seedlings in peat mixture 17 



5. Blueberry seedling in rich garden soil 18 



6. Blueberry seedling in peat mixture 18 



7. Blueberry seedling in peat mixture limed » 23 



8. Blueberry seedling in peat mixture unlimed 23 



9. Blueberry seedling fed with alkaline nutrient solution 30 



10. Blueberry seedling fed with acid nutrient solution 31 



193 9 



