200 103. SELAGINELLA. A 2 . PLEIOSTELICAE. 



g. Lateral leaves of the branchlets 

 broadly adnate on the lower 

 side at the base. 



(196) S. Hindsii. 



g.g. Lateral leaves of the branchlets 

 not broadly adnate on the lower 

 side at the base. 



(189) S. Engleri. 



f.f. Largest lateral leaves neither plicate 

 nor auriculate on the upper side 

 at the base. (197) S. inaequifolia. 

 1.1. Stems 4 9-stelical. 



2'. Lateral leaves of the branchlets nearly entirely adnate on the lower 

 side at the base. (198) S. Lobbii. 



*'.'. Lateral leaves of the branchlets at best partly adnate on the lower 

 side at the base. 



3'. Pinnulae simple or forked, ultimate branchlets under 9 mm. 

 broad including the latefral leaves. 

 Branchlets to 3 l li mm. broad. 



(199) S. Gaudichaudiana. 



00 Branchlets 4 mm. or more broad. (200) S. bidiensis. 

 . Lower pinnulae pinnately branched, or the ultimate branch- 

 lets more than 9 mm. broad including the lateral leaves. 

 4'. Intermedial leaves not pellucid-margined. 



V Lateral leaves of branchlets cuneate-truncate on 

 the lower side at the base. (194) S. muricata. 

 VV Lateral leaves of branchlets not cuneate-truncate 

 on the lower side at the base. 



(201) S. denuana. 



'.'. Intermedial leaves pettucid-margined by rows of 

 sclerotic cells. 



5'. Lateral leaves revoluto-auriculate on the upper 

 side at the base. (202) S. padangensis. 



&.&'. Lateral leaves not revoluto-auriculate on the upper 

 side at tlw base. 



6. Ultimate branchlets more than 7 l l* mm. 

 broad. (203) S. maxima. 



'.'. Ultimate branchlets under 7V? mm. broad. 



