Vegetable Stanch. 23 



garden pots ufually have; fo that all the 

 moifture, which was wanting in them upon 

 weighing , muft neceffarily be imbibed, by 

 the roots of thofe plants , and thence per- 

 fpired off thro' their leaves, 



A diary of the perfpirationofthe Mufa ArJ 

 bor, or Plantain-tree of the Weft-Indies. 

 The whole fur face of the plant was 14 

 fqnare feet , S -f- f inches. The diffe- 

 rent degrees of heat of the air, are here 

 noted by the degrees above the freezing 

 point in my Thermom. defer ib'd in Exp. 20. 



1726 



Weight 





Weight 



gl 





at 1 





 —t 



at 12 







May. 



Morn. 



B 



Noon. 



3 





pd. ou. 





pd. ou. 





17 



38 j 



3i 



38 



3^ j 



18 



37 15 



z 9 



37 $ir 



45 



*9 



37 4 



32 



37 2 



?S 



20 



36 14 



34 



36 12 



48 



21 



36 10 



30 



37 



5<> 



22 



36 14 



3i 







23 



36 6 



32 



36 *? 



324 



Weight' H 

 at 6 

 Even, 

 pd. ou 

 37 H 34 

 37 3f.3i 



37 « 



36 1 



36 r 



36 u*35 



2v\ 3. This plane 

 (food in a ftove, with a 

 fmall fire in it; rhe zf- 

 pe6l of the ftove was 

 South-eaft. 



A hot clear day. This 

 morning he obferved 

 large drops of water at 

 che extremity of every 

 leaf, and we may obfcrve 

 r hat it perfpires very 

 much this day. 



An extream hoc clear 

 hy. 



Moderately hot but clear. 

 This morn. 12 ounces of 

 water poured into the 

 por.Mixcureof Sun and 

 Clouds. 



Much thunder, fome rain 

 and hail at a diftance. 

 A gloomy day but nq 



This evening 12. ounces of water were poured into the pot; and it was 

 removed from the ftove into a cool room, where it had a free air but no 

 £un, the windows being North-weft. 



C 4 Calm 



