470 LYCOPODTACE^E. [LYCorom. 



1. liYCOPO'DlUM, L. CLUB-MOSS. 



Perennial. Stem erect prostrate or creeping. Leaves small. Capsules 

 of one kind, coriaceous, flattened, reniform, 1-celled, 2-valved. DISTRIB. 

 Of the Order; species about 50. ETYM. AIJKOS and irovs, from a fancied 

 resemblance to a wolfs foot. 



* Stem creeping. Capsules in terminal co-ties. 



1. L. clava'tum, L. ; leaves hair-pointed, cones peduncled. 



Heaths and moors, from Sussex and Cornwall northwards ; ascending to 

 2,500 ft. in Yorkshire ; frt. July-Aug. -Stems 1-3 ft., rigid, flexuous, much 

 branched, densely leafy. Leaves imbricate all round, - in., subsecund, 

 incurved, linear-oblong or lanceolate, acuminate, hair-point variable in 

 length. Cones 1-3 in., solitary or in pairs on a rigid erect peduncle covered 

 with minute appressed subulate leaves, cyliudric, obtuse ; scales appressed, 

 broadly ovate or cordate, acuminate. Capsules orbicular-reniform. Dis- 

 TBIB. Europe (Arctic), N. and S. temp, and cold regions. 



2. Ii. annoti'num, L. ; leaves acuminate entire or serrate, cones sessile, 

 scales broadly ovate toothed. 



Rocks and stony alpine moors, from N. Wales and Leicester northwards ; 

 ascending to 2,700 ft. in the Highlands ; absent from Ireland ; frt. June- 

 Aug. Habit of L.clavatum, but less branched, branches constricted here 

 and there ; leaves more lax, obscurely 5-farious, sometimes spreading, linear- 

 lanceolate ; scales of obtuse cone broad, abruptly acuminate. DISTRIB. 

 Europe (Arctic), W. Asia, Himalaya, N. Asia and America. 



3. L. alpi'num, L. leaves 4-farious lanceolate quite entire, cones 

 sessile, scales broadly ovate subentire. 



Open stony moors, heaths, &c. in alpine districts, from N. Wales, Somerset, and 

 Derby northwards; ascending to nearly 4,003 ft. in the Highlands ; local 

 and rather rare in Ireland ; frt. July- Aug. Stem 6-18 in., rigid, wiry, 

 Bexuous, sparingly leafy ; branches fastigiate, much forked, 4-gonous, 

 ascending or erect. Leaves b~k in., dark green, appressed, of 2 sizes ; larger 

 (lateral) adnate, subdecurrent, concave, obtuse ; smaller shorter, more 

 subulate, free. Cones on rather elongate leafy branches, &-1 in., oblong, 

 obtuse, terete. DISTRIB. W. Europe (Arctic) from LaplanS and Spain to 

 Italy and Austria, N. and W. Asia to the Himalaya, N. America. 



4. Ii. Inunda'ttun, L. ; leaves secund on the sterile branches subulate- 

 lanceolate quite entire, scales of cone subulate with much -dilated 

 spinous-toothed bases. 



Wet heaths and bog.*, from Ross southwards, local ; Connemara only in 

 Ireland ; frt. June-Aug. Stems short, 2-6 in., closely appressed to the 

 ground. Leaves secund, though inserted all round the stem, dark green, 

 midrib indistinct. Cones 1-3 in., fusiform, on strict erect leafy branches, 

 the leaves of which are erect and not secund ; scales erect, narrow, much 

 longer than the leaves, bases sometimes cordate. DISTRIB. Europe, temp, 

 and trop. N. and S. regions. 



** Stem decumbent at the lose. Capsules axillary in the upper leaves. 



5. It. Selago, L. ; branches stout uniform in height, leaves subulate- 

 lanceolate quite entire. 



