85 
in July and August or in November and December at the close 
of the two rainy periods, but before the effects of drouth become 
too pronounced. For visiting either of these regions saddle and 
pack animals would be necessary. As there are no roads and 
but few trails, progress would be necessarily slow. Two or three 
months would probably be required for a satisfactory reconnais- 
sance of either of those regions. 
F. S. Earce, 
Assistant Curator. 
THE JENMAN COLLECTION OF FERNS. 
Negotiations have been in progress for nearly a year, looking 
toward the acquisition for the Herbarium of the New York 
Botanical Garden of the collections of ferns and fern-allies made 
in Jamaica and British Guiana by Mr. Jenman. Through the 
liberality of Mr. D. O. Mills, President of the Garden, they have 
at last been secured, and have been recently received. e col- 
cies in sixty different genera. Sufficient has been seen of the 
collection to realize that it is a valuable addition to our her- 
barium, not only in the number of type specimens which it con-_ 
tains, but also in the number of duplicates, which will enable us to. 
make several valuable exchanges. The collection includes mostly 
ferns from Jamaica and British Guiana, with a few from Trinidad 
and Cuba, and a few North American species obtained by exchange 
with B. D. Gilbert. The largest number of species is in : Polypo- 
dium, 1335; , Mephrodium, 106 ; Acrostichum, 74; Trichomanes, 59 ; 
named species of /soetes, Chara and Nitella. In most cases the 
labels are fairly complete, giving sufficient data as to place and 
time of collection, but in some instances these facts are not re- 
corded. In the case of type specimens, a clipping from the 
original place of. publication is usually preserved on the same 
sheet as the specimen. The specimens are mounted ona thin 
quality of standard size mounting paper, and equal in bulk about 
