(44) 
consulting the Library, more time than usual has been 
devoted to bibliographic research. 
Only three parts of North American Flora have been 
issued during the year: Volume 21, Part 3, in January, 
and Volume 32, Part 1, and Volume 22, Part 6, during the 
closing days of December. The apparent break in pub- 
lication was not accompanied by any cessation of work upon 
the Flora. It was due in part to temporary effects of the 
war—especially at the time of the second draft—upon 
the printers’ trade, and in part to the number of authors 
contributing to Volume 22, Part 6, and the unusual amount 
of careful editorial work required by this part. This 
volume was commenced in 1905, thirteen years ago, and 
the part lately issued consists largely of additions required 
to bring it up to date. Much manuscript for the Flora 
is now in hand, and much more is nearly ready, so that 
the prospects for its rapid appearance are better than 
ever. 
Addisonia has appeared as usual, and the third volume 
is now complete. This young periodical has already 
illustrated, in color, on 120 plates, 122 different flowering 
plants, belonging to 93 different genera, and representing 
51 natural families. The genus most largely represented, 
so far, is Echeveria, with five species; Opuntia and Aster 
are tied for second place, with four species each. Of the 
families, Crassulaceae and Carduaceae are represented by 
fourteen species each, Orchidaceae by eleven, and Cac- 
taceae by ten. A complete list is given on the third and 
fourth cover-pages of the last number, but the list is growing 
so long that the practice of repeating it in its entirety with 
each number must soon be abandoned. 
There have been no extraordinary additions to the 
Library during the year. The most noteworthy ones are 
mentioned specifically in the report of the Librarian. 
Respectfully submitted, 
Joun Henputey Barnuart, 
Bibliographer. 
