~~ Wat I, No. 12.) BULLETIN OF THE TORREY BOTANICAL CLUB. New York, December, 1872, 
ZOSTERA, L.—Z, marina, L, ; common ; in fruit, Easthampton, Suffolk, 
_ .Oo., 7. F. Allen. 
RUPPLA, L.—R, maritima, L.; common ; Spuyten Duyvel, Ze Roy ; on 
ne bank of a brook near Chester, Morris Co., N. J., 1864, 
ustin. 
POTAMGGHTON, Tourn.—P, natans, L. ; common.—P, Cakesianus, Rob- 
bins, Peekskill, Le oy.—P, hybridus, Mchx.; watersof the Hack- 
ensack, Austin ; Staten Islanc, Silver Lake, W. H. L. ; Wading 
River, Jliller.—P, amplifolins, Tuckerman; probably not uncommon; 
Lake Mohegan, W. A. L.—P, gvaminens, 4. ; waters of the Hack- 
ensack, Austin ; Var. graminiiolins, Fries ; Jamaica, W. 2H. L.— 
P. Incens, L. ; waters of the Hackensack, Austin; In creeks, 
Tor. Cat.—P. praelongus, Wulfen ; Piermont, Austin.—P. ; erfolit- 
tus, L. ; common ; Hackensack creeks.—P. trispus, L. ; common 
in Morris Co., and at Piermont, N. J., Austin; Passaic, W. H. L. 
—P. compressus, L. ; waters of the Hackensack, Austin.—P, panei- 
florus, Pursh ; “In the Passaic River and clsewhere,” Zorr. Cat.; 
waters of the Hackensack, Austin.—P. pusillus, L. ; Wackensack 
and crecks, W. //. L., Austin; Train’s Meadow, Ruger.—P. pee- 
linatns, L. ; “Salt water ditches and shallow bays, near New 
York, and on Long Island.” Slate ora ;—waters of the Hack- 
peak, Austin.—P. Robbinsii, Oakes, waters of the Hackensack, 
uslin, 
ALISMACEZE. 
TRIGLCCHIN, 1.—T. palustre, L.; Gray's Manual?—T. maritimum, L. ; 
New York Island, Zorr. Cat.; shores of Long Island. 
ALISMA. L.-—A, Plantago, L. : Var. Amerieanum ; common ;N, Y. 
SMGITTARIA, L.—S, variabilis, Engelm. : common, with most of the va- 
Yeties ; N, Y.—S. ealysina, Engelm.; English Neighborhood, 
Austin ; Peekskill, W. H, L, : Var, spongiosa ; Peekskill, W. H, L. 
—S. heterophylla, Pursh ; Peckskill, W. 4. £.?—%, graminea, Mchx,; 
Jamaica, Flashing, W. H, L—S. pusilla, Nutt. ; Hackensack 
Streams, Zurr, Cat, ; English Neighborkood, Austin; Passaic, 
W. H, L, ; East New York, and Jamaica R. R., Ruger. 
; HYDROCHARIDACE®, > a 
ANACILARIS, Richard—A. Canadensis, Planchon ; commen. Vid, § £6. 
VALLISVERIA, Micheli—Y, spiralis, L,, common, particularly in the 
Waters of the Hackensack and Passaic, _ 
95, Apoeynum, No. 3.—Before proceeding it is necessary to make 
Some explanations in reference to the statements in the previous 
article. ‘The empty space in the upper part of the anther is really 
between the cells of what I called the antherion and an outer ecat of 
the whole anther,which coat is prolonged into a point upward, and 
these points meeting serve, I presume, to shield the parts of the 
flower Within from the weather. Again, the wider part of the base 
the style is not so low down as the base of the anthers, but abcut 
lf way between that and the dissepiment or partition between the 
Upper and lower parts of the style. In speaking of the cell walls of 
the anther, I used the term generally, for convenience of descrip- 
