— 46 — 
• Loftholej eunea Muelleriana is the twenty-ninth species of the Le- 
jeuneae to be recorded for the United States and the twenty-fourth for 
Florida. With regard to this particular group of Hepaticae Florida stands 
far in advance of the other states of the Union, Louisiana coming second 
with only nine species. This condition is of course to be explained by the 
subtropical climate of Florida and its close proximity to the West Indies, 
where the Lejeuneae reach a high degree of development. Of the twenty- 
four species so far recorded three are apparently endemic and nine are tropi- 
cal American species which have not yet been detected in the United States 
beyond the limits of Florida. The remaining twelve species are mostly of 
wide distribution. Yale University. 
HELPFUL HEPATIC LITERATURE. 
Attention has been called to an omission from Miss Haynes’ “Helpful 
Literature for Students of North American Hepaticae,” Bry. Vol. XI, No. 2, 
p. 32, namely “Keys to the Liverworts recognized in the 6th Ed. of Gray’s 
Manual of Botany,” by Edo Claassen. Published in The Ohio Naturalist. 
Vol. V, No. 6; Vol. VI, No. 6 (a correction of the former); Vol. VI, No. 7, 
and Vol. VII, No. 1 (a correction of No. 7). For these keys address the 
author, Mr. Edo Claassen, 18 Fernwood avenue, East Cleveland, Ohio. 
It is only just to Miss Haynes, however, to state that her list was not 
intended to be exhaustive, only giving as she states books and pamphlets she 
has most frequently used. Any other titles that correspondents have found 
useful will be gladly added if sent to the Editor. 
NOTES ON JUBULA PENNSYLVANICA. 
Annie Lorenz. 
In Rhodora, Vol. 7, March, 1905, Dr. Evans describes our eastern 
American form of Jubula as a separate species, namely, J. Pennsylvanica 
(St.) Evans. 
Underwood, in Manual 6, ed. 1890, p. 706, describes this form as var. 
Su l livantii Spruce, but the figure given is typical European J. Hutchinsiae. 
As there is no plate of J. Pennsylvanica as yet, one is presented here- 
with. 
The bracts of J. Pennsylvanica are described as acuminate and entire, 
bat some of the more robust bracts and bracteoles show a tooth on one side 
of each lobe. The antheridial spikes resemble those of Frnllania, Eboracen- 
sis , but larger. Bracts complicate-bilobed, the lobes unequal, ovate, more or 
less acute, and enclosing two antheridia each. 
This species is reported from most of the New England states; evincing 
a preference for those rocks containing potassic compounds. 
Hartford, Conn. 
