287 
Rhizoclonium, —-Ktz.Rh. fontinale, Ktz., Mountain streamlets.—Rh. 
tortuosum, Ktz. Prince Edward Co., Va.—Rh. fluitans, Ktz. 
Garrett Co., Md. Latter two collected by J. D. Smith.—Rh. 
salinum, Schleich. Marine inlets, N. Jersey.—Rh. hieroglyph- 
icum, var. sfagnale,n. var. Near the typical form, but distinct 
inhabitat. Found a large pond of stagnant water entirely cover- 
ed with a thick floating stratum. 
Rh. major, n. sp.—Rh. strato saturate viridi, trichomatibus 
dense intricatis, subrigidis, filis ramulos breves plerumque tri- 
quadropartitos numerose emittentibus; articulis diametro 
(.0013”—.02”) subaequalibus, vel duplo longioribus ; cytioder- 
mate crasso. Hab. in muris ligneis fluctibus illisis. 
This finely developed, large plant was found growing on the 
wooden piles of the docks at Perth Amboy, New Jersey, July, 
1878. It is most like RA. pannosum, Aresch, and may be a 
variety of it. It differs in size, in the character of the short 
branchlets and in habitat. 
Cladophora, Ktz.—Cl. fracta, var. gossipina, Ktz—Cl. crispata, 
var. virescens, Ktz. Both of these plants are common in 
ponds, etc.—Cl. crispata, var. brachyclados, Ktz. Sluggish 
waters, N. Jersey—Cl. vaucherioides—see BULLETIN, page 
187, November, 1877. Must be corrected to Pithophora 
Oedogonia, var. borealis, see explanation in the introduction, 
Pithophora, Wittr—P. Oedogonia, Mont. var. borealis n. var. 
abundant in pond, Bethlehem, Pa.—P. Cleveana, Wittr. Swampy 
ground, Florida. Coll. J. D. Smith, 1877 and 1878. 
Oedogonium, Link.-—Oed. undulatum, Breb.—Oed. Boscii, Breb. 
—Oed. Braunii, Ktz. The three collected at Darien, Ga., 
by H. W. Ravenel.—Oed. stellatum, Wittr. Florida, J. D. 
Smith.—Oed. Lundense, Wittr—Oed. Borisianum, Wittr.— 
Oed. varians, Wittr & Lund.—Oed. paludosum, Wittr.—Oed. 
sexangulare, Cleve.—Oed. Upsaliense, Wittr.—Oed. platygy- 
num, Wittr.—Oed. MHohenackerii, Wittr.—Oed. giganteum, 
Ktz. These from various localities in New Jersey and Pennsyl- 
vania ; the last one from Iowa. Coll. Dr. Hobbe. 
Hormiscia, Aresch—H. implexa, Ktz. Submarine soil, Florida, 
J. D. Smith. 
Ulothrix, Ktz.—U. radicans, Ktz.—U. crassiuscula, Ktz. These 
two from Aiken, S.C. Coll. H. W. Ravenel.—U. rivularis, 
Ktz.—U. parietina, Ktz. Both from Florida, J. D. Smith.— 
U. compacta, Ktz. Small pool, N. Jersey. 
Schizogonium, Ktz.—Sch. thermale, Menegh. Small mountain 
stream. 
Chroolepus, Ag.—Ch. abietinum, Flotow. Florida, J. D. Smith. 
Stegioclonium, Ktz.—St. debile, Ktz.—St. uniforme, Ag. Both 
from Florida. Coll. J. D. Smith.—St. pusillum, Ktz. On 
stones in streamlet. a 
Chantransia, Fries. —C%. Beards/ei, n. sp.—Ch. caespitulis purpureo- 
roseis, filis ramisque erecto-patentibus vel subadpressis ; fila- 
mentis inferioribus diametro -.o01’—.002” et superioribus 
diametro .0006”——0008”, extremis obtusis; articulis diametro 
