103. SELAGINELLA. A 1 . MONOSTELICAE. b 3 . SUBEROSAE. 177 



5. Lateral leaves minutely denticulate throughout. 



(151) S. elegantissima. 



5.5. Lateral leaves at least partly entire, and whether 

 or not dilate or ciliolate. 

 6. Lateral leaves at best 1 mm. long. 



(152) S. ketra-ayam. 

 6.6. Lateral leaves at least 1 mm. long. 



9. Lateral leaves more or less ciliate or 

 ciliolate. (153) S. Schefferi. 



7.9. Lateral leaves not ciliate or ciliolate. 



(154) S. lepida. 



3.3. Intel-medial leaves distinctly cuspidate. 

 4'. Sj)ikes 3 mm. or more broad. 



V Sporophylla of the Imcer plane heteromorphous, the 

 lower quite different from the following. 



(155) S. cerebriformis. 

 VV Sporophylla of the loicefr plane isomorphous. 



O Lateral leaves denticulate on both sides 

 throughout. (162) S. strobiformis. 



OO Lateral leaves at least partly entire and 

 whether or not ciliate or ciliolate. 



(156) S. suberosa. 

 <f '. <*'. Spikes to 3 mm. broad. 



&'. Lateral leaves of the stem ciliate or ciliolate, at 

 least on 1 side at the base. 



O Intermedial leaves of the stem 2-auriculate- 

 coi'date at the base. (157) S. myosuroides. 

 OO Intermedial leaves of the stem at best semi- 

 cordate-auriculate at the base. 



(158) S. subcalcarata. 

 5 .5 . Lateral leaves of the stem entire, at best denticulate. 



6. Fully developed plants more than 15 cm. long, 

 the intermedial leaves of the main rachis 

 cordate or semicordate at the base. 



(159) S. chrysocaulos. 

 6.6'. Fully developed plants to 15 cm. long, or tfte 



intermedial leaves of the main rachis cuneate 

 or rounded at the base. 

 PERN ALLIES. 12 



