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latéral ones not invariably blunt, the others rather triangular- 

 elongatecl; latéral leaves of the branchings subspreading, more 

 or less imbricated, rounded or rotundato-ciineate on the upper side 

 at the base, cordate or truncato-cordate on the lower side; leaves 

 of the upper plane of the branchings contiguons or slightly 

 imbricated, parallel, the lower to 3 mm long, obliquely cordate, 

 the higher obliquely rounded at the base. — Two forms : 



Forma viridifolia (typica ?) : Leaves bright-green above, pale- 

 green beneath; branchings 4 — 6 mm. broad incl. the latéral leaves; 

 spikes green; macrospores yellowish-white, finely verruculose (in 

 the examined spécimens). 

 var. aeiieifblia: Folia supra aenea, subtus olivacea; 



spicae aeneae; macrosporae atrofuscae, graciliter verruculosae vel 

 ruguloso-verruculosae (in speciminibus examinatis). 



Sumatra. 



