. NUMBER 5 
BOTANICAL (GAZETTE 
MAY, 1902 
THE STARCH OF EVERGREEN LEAVES AND ITS 
RELATION TO PHOTOSYNTHESIS DURING be 
ER. > 
KIICHI MIYAKE. 2 a 
Sacus* suggested that in evergreen leaves the staith included a3 
chloroplasts might be stored there throughout the winter, — 
‘seems that he did not make any observations of it. Mer, 
xa ining the contents of some evergreen leaves, found that a ae 
ch disappears at the end of October, to reappear again 
the next March. Haberlandt3; states that he found few : 
granules in the palisade parenchyma of the leaves of lease - 
made a more extended study of the reserve siparenals . 
leaves in winter. He examined about a hundred _ 
nts, comprising both gymnosperms — and angi ie 
i f the gymnosperms studied were found to be free : 
farch except Gnetum Gnemon, in which the green cells | cot oe 
Some starch-granules. Among the angiosperms all mono- 
and some dicotyledons were free from starch, while — 
"8 dicotyledons contained more or less starch in the : oo 
"Many species, however, the starch was found only i . 
} Seana a, Flora 20: Last 1862. - 30 00) 
* Gy Vergleichende Anatomie des assimilation | vs web 
rb, Wiss. Bot. 13 74. T882. oo 
io eber “opt maa in ee Blittern, Flare re 223. 
321 
