388 CRYPTOGAMIA LYCOPODINE&. 



3. L. complanatum : stem trailing, with dichotomous 



branches ; leaves 2-rowed, connate, superficial 

 ones solitary ; peduncles elongated, supporting 4 

 cylindrical spikes. 

 HAB. Woods. Aug. Stem 2 — 10 ft. long ; branch . 

 repeatedly forked ; leav. small, pung. 



* * Spikes sessile ; leaves surrounding the stem. 



4. L. dendroideum : erect ; branches alternate, crowd* 



ed, dichotoraous, erect ; leaves linear-lanceolate, 

 in 6 equal rows ; spikes numerous, solitary, ses- 

 sile. 



HAB. Woods. July. About a span high ; branch, 

 numerous ; spikes 3 — 4 on each plant. 



/3. obscurum : branches spreading; plant mostly 1- 

 spiked. 



HAB. Woods. Branch, diverging, loose ; spike as 

 in the preceding. 



5. L. annotinum : stem creeping ; branches ascending, 



dichotomously branched; branchlets simple; leaves 

 in 5 rows, linear-lanceolate, mucronate, serrulate, 

 spreading; spikes oblong-cylindrical, solitary, ses- 

 sile, terminal. 



HAB. Rocky and mountain woods. Aug. About 

 a span high ; branch. 4 — 8 ; spik. 1 in. long, 

 ft. L. inundatum : stem creeping ; branches simple, 

 solitary, erect, with a single sessile leafy spike at 

 . the extremity ; leaves linear, scattered, acute, en- 

 tire, curved upwards. 



HAB. Low wet grounds. July. Stem 3 — 4 tit. 

 long ; flowering branch, subradical. 

 7. L. selaginoides : stem creeping ; branches ascend- 

 ing, simple ; leaves scattered, lanceolate, some- 

 what spreading, ciliate-denticulate ; spikes termi- 

 nal, solitary. 



HAB. Mossy woods. July. 

 3. L. alopecuroides : stem creeping, somewhat branch- 

 ed ; branches nearly simple, elongated, ascending, 

 with a sessile leafy spike at the summit ; leave* 

 linear-subulate, ciliate-dentate at the base, spread- 

 ing. 



HAB. Sandy and sphagnous swamps. Oct. Stem 



