188 
BOTANY OF PORTO RICO AND THE VIRGIN 
ISLANDS 
he appearance on August 10 of the first part of the ‘‘ Botany 
of Porto Rico and the Virgin Islands” marks an important step 
in the aaa ne of the results of the ‘Scientific Survey of 
Porto Rico and the Virgin Islands,” of which series this botanical 
of the Descriptive Flora by Dr. Britton and Mr. Percy Wilson. 
f the enemas into the Amaryllis 
Family, the peo groups included being the Grass Family 
(Arecaceae), ie amily (Araceae), and the Pine-apple 
amily (Bromeliaceae) species are described as new, 
but most of the novelties had already been published by 
Britton and others in pre pa the Botany 
to completion are ee to follow little delay 
The scientific survey of por rto boas an e Virgin qiinde was 
begun in 1913 unde the di i mmittee of the New York 
American Museum oF Natural History, The New York Botanical 
Garden, and some of the scientific departments of Columbia 
University and of other institutions. The to Rico Govern- 
mi as isted t nterprises su appropriations 
coéperated. Volume 1 of the scientific results of the survey 
appeared in four parts. Part 1 (1919) includes a ‘‘History of 
hb 
the Survey y Dr. N. ritton, an “Introduction to the 
Geology of Porto Rico” by Professor Charles P. Berkey, a 
‘“New Base Map of Porto Rico” r ester A. Reeds and 
by Dr. Douglas R. Semmes; Part 2 (1920), consists of ‘The 
Geology of the Coamo-Guayama District’? by Dr. Edwin T. 
Hodge; Part 3 (1922) contains ‘‘ Geology of the Ponce District” 
D : 
Physiography of Porto Rico” by Dr. Armin K.Lobeck. Volume 
