TY  - JOUR
T1  - Observations on Stomata
JF  - Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character (1896-1934)
VL  - 190
SP  - 531
EP  - 621
PY  - 1898/01/01/
UR  - http://dx.doi.org/10.1098/rstb.1898.0009
M3  - doi:10.1098/rstb.1898.0009
AU  - Darwin, F.
ER  -