Mufhrooms conduct Galvamfm, xvii. a. 5 



ftone, xvii. 2. 5, 



N 



Nerves of vegetables, viii. i, 

 Nevil-Holt v^rater, x. 7. 8. 

 Nitre, proflu6lion of, x, 7, 4. 

 Nutritious parts of Vegetables, xix. 6. t. 

 Nut-tree twigs their armour, xiv, 3. 2. 

 Nymphsea alba, ix. 2. 5. xvii. 2. 3. 



..,.•.•♦ nelumbo eaten in China, xi. 2 , 5. 



4 



INDEX, 



Oxygen lit vegetable fluids, whence ? x. 



frofn decompofed carbonic acid, x* 



4. 8. xiii. r. 2. 

 from decompofed water, x, 3, J» 



xiii. 1.2. 

 loofely combined in nitre, x. 8. 4* 



, promotes vegetation, x. 2* 8* 



abounds by etiolation, xix. I. 



dcflroys plants by excefs, xiv. 2. 7. 



as a caufe of irritabihty, xiv. i. i. 



Oxygenated muriatic acid, x. 2.8. xiv. 2. 5, 

 perfpirable matter, xiii. I, 2, 



xiii. 1.4. 



O. 



Oaks and willows why barked in fpring, iii. 



5. xvii, 3. 2. 

 , . . . fl^ouid be felled in winter, iii. ^. ix. %. 



8. xviii. 2. II. 

 , . . . barked produce more flower-buds, ix. 



a. 8. XV. 2. 3. 



, . . . planted with pines, xviii. 2. 2, 



. . . . 600 years old, xviii. 2. i6, 



Oats lefs profitable provender than beans, 



xvh 6, 2, 

 .... improve by keeping, xvi. 6. 4. 

 Ochre red, as a manure, x. 7. i. 

 Oils eflential, agreeable or poifonOUs, vi. 



8.3. 

 .... fixed in a boiling heat, xvii. 2 5. 

 .... ufcd to poifon weapons and pools of 



water, vi. 8. 3. 

 .... exprefled, not narcotic, vi. 4. 2. 



Old corn preferable to new, xvi. 6 4, 



Onions, roots of, ix. 3. 2. 



magical, ix. 3. 4. 



Orange bears by ingrafting, xv. t. I. 



Orchis for falep, xvi, 3. 4. Xvii. I. 5. 



, ... how to ripen the feeds, ix. 3.2. xi. 



2. 4- 



Organs of reprodu6lion, vii. 

 ...... lateral in buds, vii.' I. 



fexual in flowers, vii. 2. 



Owls fhould be encouraged, xiv. 4. i. 

 Oxydes of metals, x, 2. 3. x. 7. i. 



Oxygen, x. 2. x. 7. 2. 



^ ..... . abounds in rain water and in fnow^ 



xiii* 2.2. 



P. 



Papin's digcfler, x. 9. 3. 



Papyrus, xvii. 37. 



Paring and burning, x. 5^. 4- 



Pafturage compared to agriculture, xvi. g. i. 



Paufe in vegetation at Midfummer, iii. 2. 8. 



ix. 2. 9. 



Pear-tree in part decorticated, ix. 2. lo, xv. 



2. 3. 

 compreffed by wire, xv. 3. 4. 



bears at the extremities, why? ix. 



2. 7. 



ripens by baking, x. ^* i. 



Peas grow in water, xi. 3. 4. 



. . . . rows of from fouth-eaft to north -werty 



xiii. 2. 2. 

 .... contain more meal than oats, xvi. 6. 2« 



.... boil foft, xvi. 4. 2. 



. . . . mule, vii. 2. 6. xvi. 4. i. 



.... their pods nutritious, xi, 3. *2. 



. . . . economical provender, xvi. 6. 2. 



Penetrability of foils, x. 3. 6- 



Perfpiration vegetable oxygenated, xiii. i. 4. 



Petals are refpiratory organs, iV. 5. i. vii, 



2. 3. 



Phofphorus in rotten wood, x. 5, i. 



in all vegetables^ x. 5. 3, 



hejv.r of, X. 6. 3- 



give's folidity to timber, x. 5. 6. 



Phofphate of lime, x. 5. 5. x. 7.6. 



in the gluten of wheat. Additional 



note vi. 

 Pignut, bunium, xvii. i, 3* 



4 K 2 Pine- 



■ t 



v 



