LIST OF ILLUSTRATIONS. 



Page 



Repoet of the Botanist : 



1. TrifoUum fucatum 93 



2. TrifoUum viegacephahan (Large-headed clover) 93 



3. TrifoUum invohicratum 93 



4. TrifoUum stoloniferum (Running buffalo clover) '.!3 



5. TrifoUum CaroUnianum (Southern clover) ^3 



6. Cniciis arvensis (Canada thistle) 93 



7. Arctium Lappa (Burdock) 93 



8. Xanthium Canadense (Clot-bur) 93 



9. Ambrosia ariemisicefoUa (Rag-weed) 93 



10. Chrysanthemum Leucanthemnm (Ox-eye daisy) 93 



11. Abutilon avicennce (Indian mallow) 93 



12. Solanum CaroUnense (Horse-nettle) 93 



13. Echium vulgare (Blue-weed) 93 



14. Riimex acetosdla (Sorrel) 93 



15. Lychnis Githago (Cockle) 93 



16. Chenopodi2im album (Pigweed) 93 



17. Ranuncuhts acris (Tall crowfoot) 93 



18. Ranuncidus bidbosus (Bulbous-rooted buttercup) i)3 



19. Barbarea vulgaris (Winter cress) 93 



20. Chelidonium majus (Celandine) 93 



21. Capsella bursa-pastoris (Shepherd's purse) 93 



Report of the Mycological Section : 



Plate I. — DowTiy mildew of the grape {Peronospora viticola, B. and C.) 138 



Plate II. — Powdery mildew of the grape ( U>icmMZa sjnralis, B. and C.) 138 



Plate III. — Fungus of the black-rot of the grape {Physalospora Bid- 138 



ivellii, Sacc.) 138 



Plate IV. — Anthracnose {Sphaceloma ampelinum, De Bary) 138 



Plate V. — Celery-leaf blight {Cercospora Apii, Fries) 138 



Plate VI. — Orange-leaf scab {Cladosporium sp.) 138 



Plate VII. — Fungus of the potato-rot {Phytophthora infestans, De Bary) 138 

 Plate VIII. — Spot disease of orchard grass (Scolecotrichum graminis, 



Fuckl.) 138 



Maps. — Distribution of the dowmy mildew of the grape 133 



black-rot of the grape 138 



pear-blight 133 



Diagrams. — Shrinkage ia grape crop in Ohio 1---8 



Loss from potato-rot in six States in 1885 138 



Report of the Microscopist : 



Plate I. — Crystalline formations of butter and fats 148 



Plate II. — Crystalline formations of butter and fats, as seen by polarized 



hght and selenite plate 148 



Plate III. — Crystalline formations of butter 148 



Plate IV. — Crystalline formations of " oleo" and butter 148 



Plate V. — Crystalline formations of "oleo "and oleomargarine, boiled 



and raw 148 



(5) 



