196 103. SELAGINELLA. A'. MONOSTELlCAE. b*. BEACHYSTACHYAfi. 



\skv, l£oordersii: Differs from the type in having the shoots 

 smaller, to 15 cm. long, with the stem slender, hardly 1 mm. thick, the 

 ultimate branchlets at best 3 mm. broad, the leaves smaller, the spikes 

 short, to 6 mm. long, 1 — 1V.> mm. broad. 



Java. 



A\ PLEIOSTELICAE. 



J. Stems 3-stelical. 



». Leaves spinuloso-lacerafe at the base. (168) S. lacerata. 



».». Leaves not spinuloso-lacerate at tlie base. 



3. At least the lower axillary leaves of the mam rachis roundish., 

 i. e. pi'opmiionally very short and broad, if elongated, then 

 relatively very large when compared with the late)'al leaves. 

 J. Stems rough. _ (169) S. tylophora. 



4.4. Stems not rough. 



s. Lateral leaves of tlie branchlets deairrent at the base. 



(170) S. finium. 



&.S. Lateral leaves of the branchlets not decurrent, though 



not rarely more or less broadly adnate, at the base. 



e. Shoots wide-trailing. (171) S. Mayeri. 



«.«. Shoots at best trailing at the base. 



7. Pinnidae simple, tmder 9 mm-, broad including 

 the lateral leaves. 

 A Lateral leaves quite entire. 



(172) S. axillifolia. 

 A A Lateral leaves not quite entire. 



(173) S. stipulata. 

 9.9. Pinnulae more compound, or more than 9 



mm-, broad including the lateral leaves. 



«. Pinnae linear or linear-lanceolate, articu- 

 late at tJte base. 



(174) S. gastrophylla. 



9.8. Pinnae roundish to ovate, or not articulate 

 at the base. 

 9. Leaves not pellucid-margined. 



