102. LYCOPODIUM. 1. RHOPALOSTACHYS. a*. CERNUA. 49 



leaves thicker, very rigid, those of the ultimate branchlets conspicuously 

 unfinate, the spikes somewhat larger, to 20 mm. long, 3Vz 5 mm. diam. 

 Malaya to Polynesia, Central America, West India. 



(44) Ei. easuarinoides, Spring, Mon., I, 94; Bk., Fern All., 

 24; Hk., Icon. PL, X, tab. CMLXVIII. 



Shoots wide-scandent, the branches copiously compound; ultimate 

 branchlets sometimes 1525 cm. long, pendulous, very slender. Leaves 

 of the stem scattered, peltate near the base, with the basal portion 

 similar to the apical but shorter; of the branchlets variable, conspicuously 

 decurrent, firm, green or reddish, sometimes remote, with only a minute, 

 persistent, free blade with a long, subulate, hyaline, deciduous or 

 persistent, membranaceous, entire, toothed or lacerated apex, sometimes 

 closer, with a lanceolate-aristate, arcuate free blade 3 mm. long. Spikes 

 by themselves on special branchlets, panicled, cylindrical, 2V 7V cm. 

 long, 4 mm. diam.; sporophylla broadly ovate, ascending, cuspidate- 

 acuminate, with scariose cusp and edges. 



Malaya; North India, South China, Assam, Bhotan. 



b. Ilipliasiuiii. 



1. Main stem decumbent, copiously foliate, with few short, simple, decum- 

 bent branches. (45) L. carolinianum. 

 J.f . Main stem creeping, erect or scandent, sparsely foliate, with several to 

 many elongated, decompound, erected or ascending branches. 

 2. Leaves with a long, subcapillary, scariose apex. 



(46) L. penicilliferum. 

 2.2. Leaves without a long, subcapillary, scariose apex. 



3. Barren and fertile regions not separate, the latter springing 

 from the former. 



&. Leaves 4-farious, the largest laterally, the smallest dorsally 

 and ventrally arranged. 



&. Spikes 1 2 on a simple or forked peduncle from 



the apex of a branchlet. (48) Wightianum. 



5.5. Spikes 2 16 on a branched peduncle from the axis 



of a branch. (47) L. complanatum. 



FERN ALLIES. 4 



