1913] | Hubbard,— Notes on Panicums of Essex County 37 
plant collected with No. 475 and sent to Mrs. Chase for determination. 
No. 475 is P. huachucae Ashe var. fasciculatum (Torr.) Hubbard 
(Var. sylvicola Hitche. & Chase). 
PANICUM HETEROPHYLLUM Bose var. rHINIUM (Hitchc. € Chase) 
Hubbard (P. columbianum Scribn. var. thinium Hitche. & Chase). 
Hitchcock and Chase, l. c. : 248 cite this species from Massachusetts, 
Nantucket, Bicknell, in 1889 and 1904. There is no specimen of this 
species in the Gray Herbarium, but in the Herbarium of the New 
England Botanical Club is a specimen from Winchester, C. E. Perkins, 
Sept. 1, 1882. My specimen is No. 483, sandy hillside back of Dana’s 
Beach, Manchester, Oct. 1, 1912. This number was verified by Mrs. 
Chase. 
While this variety has not been reported from Essex County I know 
that it has been previously collected from the same locality as my 
No. 483 by Miss Cora H. Clarke as I have seen specimens sent by her 
to Mrs. Chase. The variety seems to be rare and only sparingly 
collected from Massachusetts to Virginia always on or near the coast. 
At Dana’s Beach it seemed to be fairly abundant. 
ADDITIONAL NOTES ON PREVIOUSLY REPORTED SPECIES. 
PANICUM TENNESSEENSE Ashe. This very variable species seems 
to be common in Essex County and several additional collections of 
it were made. 
PANICUM LANGUIDUM Hitche. & Chase. This fall I revisited the 
locality where I collected my No. 205 in 1911 and collected other 
material similar to it and also made several collections in Manchester 
which seemed to be the same species. These were sent to Mrs. Chase 
and after a careful study of them she decided that they were a form 
of P. tennesseense Ashe and redetermined No. 205 as the same, so that 
P. languidum must be removed from the list of Essex County Pani- 
cums. 
Mrs. Chase writes me, in part, under the date of November 11, 
1912, “I think it [No. 205] is an unusual specimen of P. tennesseense. 
The panicle of 205 is much longer than characteristic for,P. tennes- 
seense, and the blades less firm. These fall “vernal” culms are very 
deceiving but going over the whole group again, I should call this P. 
tennesseense." 
PANICUM TSUGETORUM Nash. This species is abundant in Essex 
