228 



Tabular summary of Linsscr's results — Continued. 



Orders, suborders, and species. 



Physiological con- 

 stants for zone A. 



Departures of phys- 

 iological constants 

 for zone B from 

 those of zone A. 



Leaf- Bloom- Ripen- Leaf- Bloom- Ripen- 

 ing, ing. ing. ing. ing. ing. 



Salicacese: 



Populus alba 



Populus balsamifera. 



Populus canescens . . . 



Populus fastigiata ... 



Populus nigra 



Populus tremula 



Amygdaleae: 



Prunus armeniaca _ _ . 



Prunus aviiim 



Prunus cerasus 



Prunus domestica . . . 



Prunus padus 



Prunus spinosa 



Ptelea trifoliata. 



Pyrus communis 



Pyrus cy donia 



Pyrus japonica 



Pyrus malus 



Pyrus spectabilis 



Cupiiliferae: 



Quercus pedunculata . 



Quercus robur 



Quercus sessiliflora . . . 

 Rhamnacese: 



Rhamnus cathartica. . 



Rhamnus f rangula . . . 

 Anacardiacese: 



Rhus cotinus 



Rhustyphina 



Saxifragacese: 



Ribes alpinum .... 



Ribes grossularia 



Ribes nigrum 



Ribes rubrum.. 



Leguminosse: 



Robinia pseudo-; 



Robin ia viscosa . 



Rosacanina 



Rosa centifolia.- 



Rosagallica 



Rubus idsBUS 



Rubus odoratus. 



Salix alba 



Salix capraea. 

 Salix fragilis. 



0.124 



.108 



.110 

 .107 

 .091 



.150 

 .130 

 .186 



.114 

 .128 



.176 

 .147 



.072 

 .051 



.158 

 .147 



.111 

 .104 

 .082 



0.072 

 .068 

 .074 

 .080 

 .093 

 .050 



.123 

 .186 

 .074 

 .160 

 .152 



.230 

 .246 



0.517 

 .300 



.480 

 .175 



.621 

 .421 

 .419 

 .659 

 .545 



037 

 - .013 



033 

 4- .027 



-0.031 



■ .002 



■ .026 



- .050 



- .024 



- .011 



- .050 

 + .010 



- .076 



.136 

 .110 



-1- .011 

 044 

 074 



- .067 



- .048 



- .050 



- .101 



- .072 



- .042 



- .067 



- .027 



