by T. G. Yuncker
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Revision of the North American and West ...
Plants of Tonga
Revision of the Polynesian species of Pe...
Observations on the teratology of the ge...
Three additional species of Peperomia in...
New species of Piperaceae from Brazil
Seed development in the genus Peperomia ...
Piperaceae novae
The Piperaceae of Jamaica
New species of piper from Panama
Flora Costaricensis