626 “CLXIlIl. LYCOPODIACEAE. Lycoropium. 
~ 
3. L. CaRoLiniANuM. ; 
St. creeping; lvs. somewhat 2-ranked, spreading, lanceolate, entire ; ped. 
erect, solitary, elongated, bearing a single spike; bracts sublanceolate, entire — 
In muddy grounds. Both the stem and its branches are prostrate,with erect, 
slender peduncles 3—6’ high. July. 
4. L. sapinzroutium. Willd. (L. alpinum. Mz.) 
St. elongated, creeping ; branches erect, short, dichotomous, with fastigiate 
divisions ; lvs. imbricated on all sides, erect, terete-subulate, aristate-acuminate ; 
spikes peduncled by the attenuated and slightly leafy summits of the branches, 
cylindric, solitary, with cordate, acuminate bracts——White Mts.; extensively 
creeping among the rocks, with erect, numerously divided branches, a few of the 
divisions terminating in spikes an inch in length. July. 
* * Spikes sessile + Leaves surrounding the stem. 
5. L. DENDROIDEUM. Michx. Tyee Club Moss. 
St. erect; branches alternate, crowded, dichotomous, erect; Js. linear-” 
lanceolate, in 6 equal rows, spreading ; spikes numerous, solitary.—An elegant 
little plant, common in woods, readily distinguished by its upright, tree-like 
form. Plant about 8’ high, with branches more or less diverging. These are 
subdivided into numerous, forked branchlets, radiant, so as together to represent 
- aspiral arrangement. Spikes 2—6, an inch long. July. 
6 obscurum. Torr. (L. obscurum. L.) Branches spreading; spike mostly 
solitary. 
6. L. RUPESTRE. Rock Club Moss. 
St. creeping ; branches ascending, subdivided; lus. scattered, imbricate, 
linear-lanceolate, capillaceous-acuminate, ciliate; spike solitary, quadrangular. 
~—A very small species, creeping on rocks, &c. Stem a few inches in length, 
with numerous branches, which are 4—1’ long, clothed with grayish-green 
leaves. Spike 3’ long, 4-rowed, seeming a mere continuation of the branch. Jl. 
7. L. aLopecurdipes. Foz-tail Club Moss. 
St. creeping, subramose; branches simple, long, ascending, bearing a 
single sessile spike at top; Jvs. linear-subulate, ciliate-dentate at base, spread- 
ing; spike leafy—Swamps. Stem extensively creeping. Branches 6—8’ high, 
rarely subdivided, densely clothed with a fine, soft foliage. Spike 1—2’ long, 
very leafy. Aug. 
8. L. annotinum. Interrupted Club Moss. 
St. creeping; branches twice dichotomous, ascending; lws. in 5 rows, 
linear-lanceolate, mucronate, spreading and serrulate near the tip; spike oblong, 
solitary.—In mountain woods, not common. Branches subdivided near their 
base, branchlets simple, 4 or more, 6—S’ high. Leaves at length reflexed at 
end. Spike rather cylindric, an inch in length, distinct from the branches, Jl. 
9. L. inunDAtum. Marsh Club Moss. ‘ 
_ St. creeping, often submersed; branches simple, solitary, erect, with a 
single leafy spike at top; lus. linear. scattered, acute, entire, curved upwards.— 
In swamps, Mass., N. Y., Can., &c. Spikes }—I’ long, at the summit of 
branches which are 5—7’ long, arising from the base of the stem. Bracts of 
the spikes leaf-like, dilated at base, spreading at the end, larger than the stem 
leaves which are 1—2” long. July. . 
10. L. sELAGINdipes. Savin-leaved Club Moss. f 
St. filiform, creeping; branches nearly erect, the flowering ones simple; 
ws. scattered, lanceolate, a little spreading, ciliate-denticulate ; spike solitary, 
leafy.—In moist woods, N. States and Can. Spikes yellowish-green, about 2’ 
long, the bracts foliaceous and twice larger than the true leaves, which are 
about a line in length. Branches 3—6’ high, the sterile ones much divided. Jl. 
* * Spikes sessile. ++ Leaves 2-ranked. 
11. L. apopum. (L. albidulum. MuwAl.) : 
_ » St. branching, prostrate and rooting near the base; Jws. orbicular-ovate, 
acute, membranaceous, alternate, amplexicaul, in 2 rows, with minute, acumi- 
nate, superficial ones in a third row on the upper side; spikes subsolitary—A 
