III. OLEIC HEIXIACE^IlE. 



r. GLEICHEINI.^, Smith. 



2. EUGLEICHENIA. 



(1) Gr. circinata, Sw. 



Omit this name, it should be G. microphylla R. Br. 



(1) fir. inicropbyllii, K. Br., Hk., Spec. Fil., I, 3; G-. circinata, 

 auctt. phu". (not S'W.)\ — var. semivestita; G. semivestita, Lab., Hk., I.e., 

 tab. II A. 



Forma typica: Pinnae (ultimate branchlets) with the rachis (costa) 

 naked or nearly so, soon giabrescent; leaflets flattened, with the edges 

 slightly recurved. 



War. seiuiveisti(.<' : Pinnae (ultimate branchlets) with the rachis 

 (costa) provided beneath with dark or fusco-ferrugineous, deeply fimbriate 

 (substellate) scales; leaflets slightly convex. 



Malaya; Australia, Tasmania, Neio Caledonia, Neiv Zealand. 



(2a) Gr. dicarpa, R. Br. 



Omit this species as being not Malayan. 



§ 3. MERTENSIA. 



(3a) d. opposita, ». A. ». n., in Bull. Btz., 1913, XI, 13. 



Fronds forked ; fork-branches slightly flexuose, + 50 cm. long, pinnate, 

 forked at the apex. Pinnulae (including the apical fork-branches ; secondary 

 branches) only leafy, opposite or nearly so, linear-lanceolate, + 20 — 25 

 cm. long, 2 — 5 cm. broad, narrowed towards the apex, deeply pinnatifid, 



