ILLUSTRATIONS 



A Fine House of Sweet Peas . . . Frontispiece 



IIG. FACE 



1 Method of Growing Sweet Peas from Seed in 



England 39 



2 Trial Grounds of C. C. Morse & Co. ... 70 



3 Field of Morse's White Spencer .... 70 



4 Sweet Peas and Carnations 89 



5 Root Rot caused by Rhizoctonia .... 99 



6 Root Rot caused by Rhizoctonia .... 99 



7 Hyphae of Rhizoctonia 102 



8 Culture of Sweet Pea Rhizoctonia . . .102 



9 Culture of Fusarium Lathyri 102 



10 Chaetomium Spirochaete 107 



11 Fusarium Wilt 110 



12 Root Rot caused by Thielavia 113 



13 Root Rot caused by Thielavia 114 



14 Mycelium of Thielavia 116 



15 Powdery Mildew 119 



16 Sclerotia of the Sweet Pea Sclerotinia . . .119 



17 Sclerotinia Wilt in Seedlings 120 



18 Root Knot in Sweet Peas 124 



19 True Legume Root-Nodules 124 



20 Greenhouse Thrips 131 



21 Red Spider 132 



22 Triphleps Insidiosus 133 



23 Anthracnose Disease on the Stem . .138 



