tt Leaves of two kinds, those of the spike scale-like. 
* Spikes sessile. 
5. L. obscurum L. 249. 
Lycopodium obscurum L. Sp. Pl. 1102. Eaton, 
in Gray Man. 696. Underw. in Ill. Fl 1: 41; — 
Nat. Ferns 133; in Britt. Man. 25. Clute, Fern 
All. 99. 
Plants 2--3 dm. high. with creeping rootstocks ; stems 
erect, forking ; branches spreading; leaves linear, 6-8- 
ranked, incurved or appressed, very numerous, 3-4 mm. 
long ; spikes several, 3 cm. or longer, about 5 mm. thick, 
the scale-like leaves ovate-acuminate, scarious. 
In damp woods. August. 
** Shzkes apparently pedunculate. 
§ Leaves uniform. 
6. L. clavatum L. 
Lycopodium clavatum L. Sp. Pl. 1001. Zaton, 1, 
C..007. Underw.in, lil. Met: 425 .Nat. Perms 
134; in Britt. Man. 25. Clute, 1. c. 81. 
Plants with long, creeping stems; branches ascending, 
forking, very leafy ; leaves many-ranked, linear, bristle- 
tipped, 5 mm. or longer, incurved or spreading; fertile 
stems 1 mm. or thicker, 1 dm. or longer including the 
narrow spikes; the latter 2 or more, about 3 cm. long, 
4 mm. or less thick. 
In woods. Autumn. 
Sandy Springs, Md., Palmer; Lanham, Wheeler. 
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