CONTENTS. 
Entrodwetion 45 -cecnceaciie ening a eas Rae Rea ed aut hes 
‘Transpiration Studlesy ng. wena rioceatns Gee ARR Wwe ew ES EEE 
Methods’s si tee snc iin oe dae eet iadet as air hy Sct Bada Ma RAD NG AON gale eee tease eae 
POX PET eN CALION 5.25 fionais. <ichecelar sa stusascunoacnas 4 teeta a alee a Raglale aun omdlacew eed 
Observations on transpiration experiments... .......... 00. cee eee ee eee 
Discussion of transpiration experiments............cceec sence eee eee eeee 
Experimentation v.25 asecs cares autes sean nn manne desea ee ee se reeks 
Discussion of stomatal behavior...........0 cece eee eect ete eens 
Daily course of water-content of leaves, twigs, and stems.................. 
EXpPerimMen tations... saree iedeo gaa enw atte ety eawes dace eee ARUN 
DiscUssOns fers sets yeeoot ated pei or Ph pew de Leeda Hie ene Os 
Daily course of leaf temperature. .... 0.0.0 eee eee 
MG OG se. iciensis Cnt esau ey Gun bese eta ake weer se nein reecotusas eh dareieceae 
Experimentation « ic suaiswwavs et ales asl sb OM ee ha anda ead Rik ea leno aes 
Discussions sce caevataniee sania eens dual ee ae eae laees bie eee ee 
Daily course of transpiration under conditions of high and low evaporation.... 
Method ............. Bi cial kdl ce avira yoa eehcbet tenth RNa eet aA Ma a eh eek ns ata 
POXPOLUNONbAtlOM ie 4 eisies casi wai giatecs ¢ alee Bias a wae y saul dce ushers wade ng staanaceoa tees 
DISCUSSION usecase veiias aiats Ga dag dein pace anna eens ah awed Aces 
