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BOTANICAL. PEA LEAFLETS 
HARVARD UNIVERSITY 
Campriee, Massacnuserrs, May Ay ‘1941 Voi. 9, No. 9 
PLANTAE MEXICANAE X 
BY 
RicuHarp Evans ScHULTES 
NEW OR CRITICAL SPECIES FROM OAXACA 
DorinG the course of recent botanical and ethnobo- 
tanical studies made in the northeastern districts of the 
State of Oaxaca, Mexico, a number of rare or hitherto 
undescribed plants were collected, some of which are of 
economic importance among the Indians of this region. 
It has also seemed advisable to discuss several of these 
plants because of their taxonomic, phytogeographical, or 
ethnobotanical interest. 
In the following treatment, the families are arranged 
in accordance with the botanical sequence proposed by 
Engler-Gilg. 
All of the localities mentioned in this article are indi- 
cated on the map of northeastern Oaxaca which was 
published in the Botanical Museum Leaflets, Harvard 
University 9 (1941) 109. 
I wish to thank Doctor Paul C. Standley of the Field 
Museum of Natural History, Doctor C. L. Lundell of 
the University of Michigan and Doctor W. H. Camp of 
the New York Botanical Garden for permission to publish 
their manuscript descriptions and comments. 
PINACEAE 
Pinus Strobus Linnaeus var. chiapensis Martinez 
in An. Inst. Biol. 11 (1940) 81. 
[ 165 ] 
