CONTENTS. 



PART II. 



PAPERS ON PHYSIOLOGICAL HORTICULTURE. READ BEFORE THE 



HORTICULTURAL SOCIETY ......... 172 



XVI. OBSERVATIONS ON THE MEANS OP PRODUCING NEW AND EARLY 



FRUITS. Read November 4, 1806 172 



XVII. DESCRIPTION OF A FORCING-HOUSE FOR GRAPES, WITH OBSERVA- 

 TIONS ON THE BEST MODE OF CONSTRUCTING HOUSES FOR OTHER 



FRUITS. Read May 3, 1808 179 



XVIII. ON THE MANAGEMENT OF THE ONION. Read April 4, 1809 . . J81 



XIX. ON POTATOES. Read February 0, 1810 182 



XX. ON THE CONSTRUCTION OF PEACH-HOUSES. Read April 3, 1810 . 186 



XXI. A CONCISE VIEW OF THE THEORY RESPECTING VEGETATION, LATELY 

 ADVANCED IN THE PHILOSOPHICAL TRANSACTIONS, ILLUSTRATED 



IN THE CULTURE OF THE MELON. Read January 2, 1811 . . 189 



XXII. ON THE ADVANTAGES OF EMPLOYING VEGETABLE MATTER AS 



MANURE IN A FRESH STATE. Read January 6, 1812 . . . 193 



XXIII. ON FACILITATING THE EMISSION OF ROOTS FROM LAYERS. Read 



February 4, 1812 195 



XXIV. ON THE PREVENTION OF THE DISEASE CALLED THE CURL IN THE 



POTATOE. Read February 2, 1813 197 



XXV. ON THE EARLY PUBERTY OF THE PEACH-TREE. Read March 2, 



1813 199 



XXVI. ON THE CULTURE OF THE PEAR-TREE. Read May 18, 1813 . 201 



XXVII. ON THE PREVENTION OF MILDEW IN PARTICULAR CASES. Read 



May 4, 1813 204 



XXVIII. ON THE CULTURE OF THE SHALLOT, AND SOME OTHER BULBOUS- 

 ROOTED PLANTS. Read December 6, 1813 . . . .209 



XXIX. ON THE APPLICATION OF MANURE IN A LIQUID FORM TO PLANTS 



IN POTS. Read May 17, 1814 ....... 211 



XXX. ON THE ILL EFFECTS OF EXCESSIVE HEAT IN FORCING-HOUSES 



DURING THE NIGHT. Read June 17, 1814 .... 213 



XXXI. ON THE MODE OF PROPAGATION OF THE LYCOPERDON CANCELLA- 

 TUM, A SPECIES OF FUNGUS, WHICH DESTROYS THE LEAVES AND 



BRANCHES OF THE PEAR-TREE. Read December 5, 1815 . . 217 



XXXII. ON THE EFFECTS OF DIFFERENT KINDS OF STOCKS IN GRAFTING. 



Read February 6, 1816 .221 



XXXIII. ON THE VENTILATION OF FORCING-HOUSES. Read May 7, 1816 . .224 



XXXIV. UPON THE PROPER MODE OF PRUNING THE PEACH-TREE, IN COLD 



AND LATE SITUATIONS. Read May 6, 1817 .... 226 

 XXXV. OBSERVATIONS ON THE PROPER MANAGEMENT OF FRUIT TREES, 



WHICH ARE INTENDED TO BE FORCED VERY EARLY IN THE 



ENSUING SEASON. Read June 3, 1817 . . . . . 228 



XXXVI. UPON THE PROPAGATION OF VARIETIES OP THE WALNUT-TREE BY 



BUDDING. Read April 7, 1818 . . 231 



