Lycopodium 



LYCOPODIACEAE-SELAGINELLACEAE 



Selaginella 



Strobili 4-5 cm. long, on peduncles 8-20 cm. long 2. L. clavatum 



Sporangia renif orm, in axils of ordinary lvs 3. L. serratum 



1. Lycopodium cernuum Linn. Staghorn Club-Moss iSU-lH (Ko Shan Lung; the 

 dragon goes over the mountain, the rhizomes creep over the rocks) (Mak. F. 972) 

 Stems 20-40 cm. long; fr. V-XI; lvs. subulate. China, Japan, New Zealand, North 

 and South America; locally in An., Ki. Wooded hillsides. Fig. 2. 



2. Lycopodium clavatum Linn. Common Club-Moss S"^ (Shih Sung; Stone Pine) 

 (G. M. 14) Stems 10-45 cm. long; fr. VI- VIII; lvs. linear, with bristle-tips. America, 

 Asia, Europe, Australia; locally in An., Che., Ki. Moist woods. 



3. Lycopodium serratum Thunb. ^pjp^ (Ch'ien Ts'eng T'a; Thousand-story pagoda) 

 (Mak. F. 971) Stems 8-15 cm. high; fr. IV-X; stem erect. Siberia, China, Japan, 

 Polynesia; locally in An., Che., Ki., Ku. Damp woods, crevices of rocks. 



3. SELAGINELLACEAE Spike-Moss Family #ffi$4 (Chiian Pai K'o) 



Small creeping moss-like plants, or suberect to erect larger plants: lvs. usually 

 dimorphic: sporangia in axils of lvs. (sporophylls), these often in a strobilus, uniform 

 or dimorphic: spores of tivo kinds. One genus. 



1. Selaginella Linn. #ftM (Chiian Pai Shu; Curly Arborvitae Genus) 



Characters of the family. 500 species. (From Selago, an ancient name for 

 Lycopodium.) 



Kky to the Species 



a. Stems densely tufted, rosulate, curling up when dry 1. S. tamariscina 



aa. Stems creeping or erect. 



b. Main stem erect, rooting only at base, 

 c. Stems pubescent. 



With auricles on under-side of lateral lvs 2. S. trichoclada 



Without auricles on the under-side of lateral lvs 3. S. braunii 



cc. Stems glabrous. 



d. Lvs. near base of stem equilateral, directed upwards. 



Lvs. near base of stem distant 4. S. moellendorffii 



Lvs. near base of stem overlapping 5. S. caulescens 



dd. Lvs. near base of stem inequilateral, directed outwards. 



Sporophylls dimorphic, similar to lvs 6. S. labordei 



Sporophylls uniform, different from lvs 7. S. delicatula 



bb. Main stem creeping, rooting at intervals; fruiting stems suberect. 



e. Lvs. uniform, oval; margins ciliate, xerophytic 8. S. sinensis 



ee. Lvs. dimorphic; terrestrial, 

 f. Sporophylls dimorphic. 



Sporophylls in lax strobili 9. S. nipponica 



Sporophylls in compact strobili 10. S. heterostachys 



ff. Sporophylls uniform. 



Lvs. with entire margins: strobili terminal 11. S. uncinata 



Lvs. with ciliate margins: strobili near base of lateral 



branches 12. S. remotifolia 



1. Selaginella tamariscina (Beauv.) Spring (DeV. F. 38) Branches 4-10 cm. long; fr. 

 IX-XI; lateral and medial lvs. alike, bristle-tipped. Asia; locally in An., Ki, Ku. 

 Exposed rocks. 



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