338 BOTANICAL GAZETTE [May 
At1Ip.M., January 24, 1899 (half cloudy, temperature outside _ 
7°), four plants were examined. The results are as follows: 
Name Observed facts Stomata 
( oe a valine paper took place within 
Ternstroemia a few s on the under side of the oe Distinctly 
japonica....... while it eos blue on the upper for open. 
| long time. 
pend ap reddening seemed to occur after ? : 
Thea japonica. .... } time, but it is doubtful. 
Fetsia japonica...... Same as preceding. ? 
esuonce a ae oe i No reddening occurred on either side. Closed. 
se 
At 2-2:30 p. m. January 31 (clear, temperature 6°), the follow- 
ing plants were examined: 
Name Observed facts 
beara! ew — paper quite red after two | ( 
Raphiolepis japonica. : 
Old 3 —no redde ening after thirty minutes. | \~ 
Ternstroemia japonica ‘ane red after three minutes. 
Osmanthus fragrans..| Reddening clearly seen pod six minutes. 
Sciadopitys verticillata} No reddening for a long tim 
Pinus densiflora Reddening after four einai ——. 
Quercus glauca......| Reddening clearly seen after four minutes. _ 
Quercus Vibrayeana..| Reddening — seen after five minutes. — 
_ Quercus phillyraeoides} Reddening a minutes. 
— glabra.......| Reddening sees five minutes. 
‘At 2 P.M. February 1 (rather clear, temperatur 2 
above four species of Fagaceae were examined again, an 
found that all of them had the stomata open as before 
The next day at 3 p.m. (temperature 8 pe the 
observations were made: Ee 
Name s Observed facts 
_ Thea japonica, a Faint reddening after some time, but rate a 
doubtful. a8 
Thea ja ja ponica, b ‘Same as above. Ae 
_ Thea japonica, ¢ d 
Juni niperus chinensis 
procumbens | Reddening after a few minutes. 
