62 



minute, much shorter than the sporo- 

 phydium ; bracts as long as or a little 

 shorter than the lateral leaflets ; stem 

 smooth. 53. connivens Salzm., A. Br. 

 Subterranean bulblets multicellular. Stem 

 smooth. Posterior leaflets papillate or 

 obsolete, the anterior 3-5 much shorter 

 than the sporophydium, and the lateral 

 mostly shorter than the bracts. Diam. 

 antherid., 720-800. 54. fragifera Dur. 



* * Monoecious. 



Leaves double corticated. 



Spines of stem largely developed; posterior leaf- 

 lets developed. Nucleus brown, 440-480. 

 55. tennis pina A. Br. 



00 Stem smooth, papillae none or little developed. 

 Q) Nucleus black, 550-770 long. 



1) Stem equally striate. 56. fragilis Desv. 



2) Stem with the secondary cortex series some- 



what prominent; papillae well developed, 

 sometimes aculei-form. 57. (subsp.) 

 delicatula (Ag.) A. Br. 



Q)Q) Nucleus yellowish. 58. leptosperma A. Br. 

 Leaves triple corticated. 59. bracliypus A. Br. 

 ft Gymnopodes; the first segment of the leaves naked, 

 the following triple corticated, rarely all naked. 



(Fig. 54.) 

 * Dioecious. 60. Martiana A. Br. (S. ) 



* * Monoecious. 



Fruit disjoined (Fig. 54.) 61. (Martiana subsp.?) 



sejuncta A. Br. 

 00 Fruit conjoined. 62. gymnopus A. Br. 



a) The lower node of the leaf usually fertile (Podo- 



phorce}. 

 ad] Leaflets equal, or the posterior at length, a 



little shorter. 62a. elegans A. Br. 

 bb] Posterior leaflets shorter than the others. 



i) Posterior leaflets of the lowest node of the 

 leaves ventricose, spreading or retracted 

 like hooks, stem and leaves slender ; 

 nodes of the leaf 13-15. 6zb. tricha- 

 cantha A. Br. 



