ttc SAP in 'TREES. 27 



is to be noticed, that, wherever the fap has afcended, the whole 

 body of the wood is replete with it : That, upon incifion, 

 it ifTues from the wood downwards, and in every other di- 

 rection ; and that this happens before any fap has yet arrived 

 at the upper extremities of the tree. 



APRI L 5. 

 Thermometer, at noon, 50. ; at midnight, 41. 



APRIL 6. 



Thermometer, at noon, 48. ; at midnight, 40. 

 No obfervation was made on thefe days. 



APRIL 7. 



Thermometer, at noon, 49. j at midnight, 42. 

 THE eleventh incifion bled ; and the inverted branch bled at E. 



\ , 



APRIL 8. 



Thermometer, at noon, 48. ; at midnight, 40. 

 THE eleventh incifion continued to bleed. 



APRIL 9. 



Thermometer, at noon, 50. ; at midnight, 44. 

 THE twelfth incifion bled this day. 



APRIL 10. 



Thermometer, at noon, 53. ; at midnight, 49. 

 THE thirteenth incifion began this day to bleed for the firft 

 time ; but all the incifions above it were ftill dry. The invert- 

 ed branch alfo bled at E. 



OBS. 30. This day I attended carefully to the ifluing of the fap, 

 both from the upper and under incifions of the branch B, and 

 found, that it flowed in each incifion, both from the ligneous 

 circles, and from between them. It evidently appeared, how- 



D 2 ever, 



