Vegetable Staticks. 6\ 



rious Gardeners about London have agreed 

 to make ufe of Thennometers of this fort ; 

 which are made by Mr. John Fowler in 

 Swithin's- Alley, near the Royal-Exchange • 

 which have the names of the following: 

 plants, oppofite to their refpective mod 

 kindly degrees of heat; which in my Ther- 

 mometers anfwer nearly to the following de- 

 grees of heat above the freezing point, viz. 

 Melon-thiflle 31, Ananas 29, Piamento 26, 

 Euphorbium 24, Cereus 2J~, Aloe 19, In- 

 dian-fig 164, Ficoides 14, Oranges i2 5 Myr- 

 tles 9. 



Mr. Boyle, by placing a 'Thermometer in 

 a cave, which was cut ftrait into the bot- 

 tom of a cliff, fronting the Sea, to the depth 

 of 130 feet, found the fpirit flood, both in 

 winter and fummer, at a fmall divifion above 

 temperate; the cave had 80 feet depth 

 of earth above it. Boyle's Works, Vol. III. 

 p. 54. 



I marked my fix Thermometers numeri- 

 cally, 1, 2, 3, 4, 5, 6. The Thermometer 

 numb. 1, which was (honed, I placed with 

 a South afpect, in the open air; the ball 

 of numb. 2, I fet two inches under ground; 

 that of numb. 3, four inches under ground; 

 numb. 4, 8 inches; numb. 5, 16 inches ; and 



numb. 



