524 LYCOPODIACE^l. [Lycopodium. 



1. LYCOPO'DIUM, L. Club-moss. 



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

 coriaceous, flattened, reniform, 1-celled, 2-valved. — Disirib. Of the Order ; 

 species about 50. — Etym. \vkos and ttovs, from a fancied resemblance to a 

 wolfsfoot. 



* Stem creeping. Capsules in terminal cones. 



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



Heaths and moors, Shetland to Cornwall, Hants, and Essex; ascends to 

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

 flexuous, much branched, densely leafy. Leaves imbricate all round, £-£ in., 

 subsecuud, 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 miuute appressed subulate leaves, cylindric, obtuse; 

 scales appressed, broadly ovate or cordate, acuminate. Capsules orbicular- 

 reniform. — Distrib. Arctic, and N. and S. temp, and cold regions. 



2. L. anno'tinum, L. ; leaves acuminate entire or serrate, cones sessile, 

 scales broadly ovate toothed. 



Rocks and stony alpine moors, from Orkney to the Clyde and Perth; N. 

 Wales, Cumberland, Westmoreland, Lancashire, Leicester; ascends to 

 2,700 ft. in the Highlands ; frt. June-Aug. — Habit of L. clava'tum, but 

 less branched, branches constricted here and there, leaves more lax, ob- 

 scurely 5-farious, sometimes spreading, linear-lanceolate ; scales of obtuse 

 cone broad, abruptly acuminate. — Distrib. Europe (Arctic), N. and W. 

 Asia, Himalaya, America. 



3. L. complana'tum, L. ; leaves 2-4-farious lanceolate quite entire, 

 cones peduncled or sessile, scales broadly ovate subentire. 



Stony moors, heaths, &c, from Shetland to York, Derby, Wales, Somer- 

 set and Hants ; Ireland ; frt. July-Aug. — Stem 6-18 in., rigid, wiry, flexuous, 

 sparingly leafy ; branches fastigiate, much forked, ascending or erect. 

 Leaves §-£ in., dark green, appressed, of 2 sizes; larger (lateral) adnate, 

 subdecurreut, concave, obtuse ; smaller shorter, more subulate, free. Cones 

 h-l in., oblong, obtuse, terete.— Distrib. Temp, and cold regions of the 

 N. hemisphere and mts. of the tropics. 



L. complana'tum proper ; leafy branches longer less crowded, leaves dimor- 

 phic, central ones on the flattened stem more erect and narrower than the 

 lateral, spikes usually several peduncled. Gloster and Worcester. (Temp, 

 regions and mts. of tropics.) 



Sub-sp. L. alpi'num, L. ; leafy branches shorter more crowded not flattened, 

 leaves uniform, spikes solitary sessile. — Common in Wales and N. to 

 Shetland, ascends to 4,000 ft. in the Highlands. (N. temp, and Arctic 

 regions.) 



4. Ii. inunda'tum, L. ; leaves secund on the sterile branches subulate- 

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

 toothed bases. 



Wet heaths and bogs, from Eoss soutbd., local ; Ireland, very rare ; frt. June- 

 Aug.— Stems short, 2-6 in., closely appressed to the ground. Leave 



