103. SELAGINELLA. A 1 , MOXOSTELICAE. a 3 . KADICANTES. 67 



9. Intermedia} leaves blunt or acute, at best shortly acuminate. 



f Blunt or bluntish. (10) S. Brooksii. 



ff Acute or shortly acuminate. 



X Lateral leaves remote on the main stem. (11) S. remotifolia. 

 XX Lateral leaves contiguous or subcontiguous on the main 

 stem. (12) S. confertissima. 



9.9. Intennedial leaves long-acuminate to cuspidate. 



-3. Lateral leaves to 2 mm. long on the branchlets. 



X Lateral leaves of the main stem cuneate or rounded on 

 the upper side at the base. 



+ Lateral leaves ciliate or ciliolate, at least at the base. 

 cf Intel-medial leaves entire, at best denticulate. 



(13) S. rugulosa. 



c? cT Intermedial leaves ciliate or ciliolate, at least on 

 one side at the base. (14) S. acutangula. 



+4- Lateral leaves not ciliate, at best denticulate. 

 9 Intermedial leaves shortly cuspidate. 



(15) S. repens. 

 9 9 Intermedial leaves long-cuspidate. 



(16) S. longirostris. 



XX Lateral leaves of the main stem cordate or truncate on 

 the upper side at the base. 



A Intermedial leaves of the stem rounded or truncate 

 on the outer side at the base. (17) S. langirensis. 

 A A Intermedial leaves of the stem auriculate-cordate on 

 the outer side at the base. 



D Macrospores 4 in a macrosporangium, icith the 

 apex provided with 3 radiating ribs. 



(18) S. brachyblepharis. 



LID Macrospores 12 in a macrosporangium, the 

 apex without radiating ribs. 



(62) S. sungemagneana. 



3.3. Lateral leaves more than 2 mm. long on the branchlets. 

 4. Lateral leaves at best serrulate-ciliolate. 



A Macrospores 1 2 in a macrosporangium, the apex 

 without radiating ribs. 



D Pinnulae simple or forked. (19) S. Springiana. 

 DD Pinnulae l-*-2-pinnate. (54) S. Grabowskyi. 



