
1905. | On Vegetable Assimilation and Respiration. 447 
Experiment XIX.—Cherry-laurel (December 7, 1904). Weight of leat, 
2°15 grammes; Area, 62 sq. cm. 





Time. TOs supplied. CO, absorbed. 
11.15—noon ... .. Prelimiinary 
12—1 ...... 0:0378 0:0095 
1—2 oe. 0°0393 0-0102 
a ee 0:0384 0:0104 
B—4 ... eee 0:°0371 0:0094 
Mean apparent FSSIMIAtION .......5...0.e.eeessene cee 0-0099 
Respiration, 5.30—11.30, 0:0066 in six hours ... 0°0011 
ikealassimilation: per leak, ..2.ciuissc .oareseee ss 0:0110 
@ 5 Per OO SG" CM eases... dedeedens 0:0089 
Hxperiment XX.—Lomarea (December 8, 1904.) Weight of leaf, 
1-40 grammes; Area, 51°7 sq. cm. 





Time. CO, supplied. CO, absorbed. 
11.15—noon ...... | Prelimiinary 
| re 0-0360 0-0092 
Ne Dae ims 0:°0336 0-0083 
Da ane ae 00352 0:0081 
i ee 0:°0352 0-0076 
Mean apparent assimilation ........:ceseeseesesees  0°0083 
Respiration, 6—12 night, 00027 in six hours ... 0°0005 
Real assimilation per leaf... .................0.c cece eee 0-0088 
3 » per, OO SO.) CMe 5s. .te se races ce ; O-OO8D 
Hxperiment XXI.—Aponogeton (December 10, 1904). Weight of leaf, 
1°60 grammes; Area, 39°5 sq. cm. 





Time. CO, supplied. CO, absorbed. 
122907 TD 2024) | Prelimjinary 
1.15—2.15...... 0-0400 0-0072 
2 O— 3 LD a4... 0:0410 0:0066 
4,.45—5.45...... | 0:0418 0-0066 
Mean apparent assimilation ...... Showa [ud gaetiibs - 0°0068 
Respiration, 7.20—11.20, 0°0015, in four hours... 0-0004 
Real assimilation per leaf............ Hires ea a uneN, O20072 
4 38 Penro Or sqe/ emi 12.8 BO. 6 ene 0:0091 
