414 ORDER 15?. LYCOPODIACE.E. 



2 L. lncidiillim MX. Shining C. Ascending, forking, 8 16'; Ivs. it 8 rows, linear- 



lanceolate, denticulate, shining, spreading or reflexed, pointed, large for the genuh 

 (3 4"). the fruitful one? like the rest, as in No. 1. Damp woods. 



3 L. Iiiinidatiiin L. Marsh C. Stem creeping, often submersed, the simple soli- 



tary ped. 1 3' (Conn., Mr. Bowles) or 4 7' (Mass., Dr. Ricard) ; leaves soft and fine, 

 curving upward : spike solitary, 1 \\' long, leafy. Swamps, Can. to Car. 



4 L. alopecuroid.es L. Sterile branches decumbent, shorter than the tall (720') 



erect fertile ones ; leaves crowded, subulate, awned ; spikes leafy, 2 3' long. 

 Swamps in pine-barrens, N. J. to Fla. and La. 



5 L. annotinum L. Creeping, branches twice forked, ascending 68'; leaves in 



5 rows, lance-linear, spreading, denticulate : spikes solitary. Woods. N. 

 f> L. deiidroideiim MX. Tree C'. Ground Pine. Erecl. about 8', with its erect 

 branches spirally arranged, forked and crowded : Ivs. lance-linear, in 6 equal rows ; 

 spikes several but solitary, 1J', yellow-brown. Woods. Very elegant. 

 /3. obMfiirum. Branches spreading ; spikes 1 or 2, greenish brown. 



7 Ei, Carolinianum L. Stem and branches creeping and rooting ; Ivs. appearing 1- 



ranked, the lateral spreading while the others are apprcssed. lanceolate ; pedunc'ea 

 simple. 2 4', bearing each a single spike. Barrens, N. J., and S. 



8 L.. safolnaelollum Willd. Ground Fir. Long, creeping; branches erect, short, 



with fastigiate branchlets ; Ivs. terete-subulate ; ped. short. White Mts.. and N. 



ft li.complaiia.tum L. Festoon Ground Pine. Long, trailing; branches repeat- 

 edly forking, fan-shaped, spreading; leaves 4-ranked, the marginal connate, diverg- 

 ing, the others distinct, appressed ; peduncles long, with 4 6 spikes. Woods. 



1O L. clavatum L. Common C. Extensively creeping, branches ascending ; leavea 

 scattered, incurved, bristly-acuminate; peduncles erect, remotely bracted, 3 5', bear- 

 ing a pair of straight spikes 2' long. In shades : common. 



2, SELAGINELLA, Spr. DWAKF CLUB Moss. Fruits of two kinds, 

 viz., antJicridui, which are 1 -celled, opening at apex ; and oophoridia, larger, 

 containing 1 4 (rarely 6) globous-angular grains. A large genus. The 

 species are cultivated in every greenhouse. Spikes quadrangular, bracts 

 in 4 rows. (Lycopodium L.) 



Leaves all alike and similarly imbricated all around. Native Nos. 1, a 



{ Leares of 2 kinds, in 4 rows, those of the 2 lateral rows larger and spread 



ing. of the 2 intermediate rows superficial, small, appressed. . .(a) 

 a Slender rootlets produced along the steins. x Leaves nnequal-sided..Nos. 3 5 



a; Leaves equal-sided Nos. 6 8 



No rootlets, <fec. y Stems erect, frond-like, simple, stalk-like below. .Nos. 9 11 

 y Stems diffuse, branched from the base Nog. 12, 13 



' S. riipestre (L). Sts. ascending, 2 4'. divided into numerous tufted, mossy branches ; 



leaves crowded, fine, blue-green, ciliate ; spike indistinct, 6". Rocks. 

 2 S. selaglnoides (L). Stem filiform, creeping, branches snberect, 3 6', the fertile 



simple. 1-spiked ; leaves lanceolate, yellow-green, ciliate. Wuods, N. 

 8 S. apus Spr. Stem weak, loosely branched, with hair-1'.ke rootlets near the base ; 



leaves ovate, slightly oblique, acutish, the smaller ones printed. Damp, t 



4 S. STOLONIFERA. Sts. producing long threadform rootlets 6elow, 3-4-pinnately branch- 



ed ; brauchlets 2 4" broad ; Ivs. imbricated, ovate, entire, obtuse,the smaller ones with 

 a filiform straight point. The older stems become zigzag. 6-10'. Com. (S. Mertensii.) 



5 S. DENTICULATA (or Kraussiana). Prostrate, delicate, remotely and somewhat 3-pin- 



nately branched ; leaves 1", oblong-ovate, minutely denticulate, acute, distant on the 



6tm, crowded on the branchlets ; smaller leaves with reliexed points. Very common. 



p. VARIEQATA. Ends of the branchlets with their leaves white. Rootlets hair-lik. 



ft S. IN<-INATA corraeeia). Long-creeping, with hair-like rootiets, 2- 3-pinnately branched. 



