CLUB-MOSS FAMILY. 41 
O 3. Lycopodium inundatum L,. Bog Club-moss. 
(Fig. go. ) 
es 
Lycopodium tnundalum I, Sp. Pl. 1102. 1753. 
Plants small, 1/-5’ long, with creeping flaccid forking 
brittle sterile stems closely appressed to the earth. Fer- 
tile stems erect, solitary, 1/-6’ high, terminated by a short 
thick spike ; leaves lanceolate or lanceolate-subulate with 
hyaline margins, those of the spike similar to those below, 
acute, soft, spreading, mostly entire, those of the sterile 
stems curved upward; spikes rarely two together, 9’/-18/’ 
long, yellowish; sporanges tranversely oval, splitting 
nearly to the base; spores large, reticulated. 
In sandy bogs, Newfoundland to western Ontario and Mich- 
igan, south to Florida. Ascends to 2000 ft. in eastern Pennsyl- 
vania. Also in Europe and Asia. Larger forms with fertile 
stems 5'-7' high and more pointed serrate leaves have been 
separated as var. Bigelovii. Aug.—Oct. 
4. Lycopodium alopecuroides L. Fox-tail 
Club-moss. (Fig. gr.) 
Lycopodium alopecurotdes VY. Sp. Pl. 1102. 1753. 
Plant stout, densely leafy, the sterile branches 
flaccid, recurved and creeping, sometimes 10’ long. 
Fertile stems stout, rigid, erect, 6’—-20’ high, termin- 
ated by a spike 9’’-1 14’ long, and, including its leaves 
4//-5’’ thick ; leaves narrowly linear-subulate, those of 
the spike similar to those below, spinulose-pointed, 
spreading, conspicuously bristle-toothed below the 
middle, those of the spike with long setaceous tips; 
sporanges transversely oval, splitting to near the base. 
In pine-barren swamps, New Jersey to Florida, near the 
coast, west to Mississippi. Aug.—Oct. 
5. Lycopodium obsctrum ],. Ground Pine. (Fig. 92.) 
Lycopodium obscurum V,. Sp. Pl. 1102. 1753. 
Lycopodium dendrotdeum Michx. Fl. Bor. Am, 2: 282. 
1803. 
Stems erect, 6’-12’ high, bushy-branched, the 
branches fan-like, the rootstocks subterranean, 
nearly horizontal. Leaves lanceolate-linear, acute, 
entire, S-ranked on the main stem, those of the 
branches 6-ranked, with the two upper and the two 
lower ranks shorter and appressed, or all alike and 
equally incurved-spreading, densely clothing the 
stems up to the bases of the spikes ; spikes 1-10 on 
each plant, %/’-1!%4’ long, composed of many- 
ranked ovate scarious-margined bracts (scale-like 
leaves), each with a transversely oval sporange in 
its axil. 
In moist woods, Newfoundland and Labrador to 
Alaska, south to the mountains of North Carolina and 
to Indiana. Ascends to 4o0o ft. in Virginia. Also in 
Asia. July—Sept. 
