Mentha arvensis L.

Mentha arvensis L.
No. 219
Nerves of Calyx indefinite, more than 10.
Stamens included. Has maturity of
flowers coming to do with the length of stamens?
odor not distinct. Calyx campanulate, subglobose
Distributed
from
The Biological Laboratory of the Science Society
of China
Collector Chen Jen Field No. 219
Name *Mentha arvensis* R
Locality Nanking ?
Determined by
219
gentilis ?

*Mentha arvensis*

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