ILLUSTRATIONS. 



Page. 



Plate I. Neocosmospora (uov. gen. ) 51 



II. Fuugus of the melon and cowpea wilt 56 



III. Fuugus of the melon aud cotton wilt 58 



IV. The watermelon wilt 60 



V. Fungus of the cotton, okra, and melon wilt 62 



VI. Healthy watermelon vines 64 



VII. Wilted melon vines 66 



VIII. The melon wilt in seedlings 68 



IX. The melon wilt 70 



X. The melon wilt 72 



6 



