tt Leaves of two kinds, those of the spike scale-like. 
* Stikes sessile. 
5. L. obscurum L. Pl. 9. 
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 
Pills 20: 
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. 
** Spztkes apparently pedunculate. 
§ Leaves uniform. 
6. L. clavatum L. 
Lycopodium clavatum L. Sp. Pl. 1001. Zaton, 1. 
c. 697. Underw. in Ill. Fl. 1: 43; Nat. Ferns 
124 Anas nitt Vian 25. elures lac. .ol, 
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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