MATERIALS FOR A FLORA OF FORMOSA. 413 
Ophioglossaceee. 
Botrychium Sw. 
Botrychium ternatum Sw. ; Hayara in Tokyo Bot. Mag. XXIII 
pi 2. 
Distris. Japan and Himalaya. 
Poly podiaceee. 
Acrophorus PRESL. 
Acrophorus stipellatus (Watu.) Moore; Hayata in Tokyo Bot. 
Mag. XXIII. p. 4. 
Has. Randaizan, leg. B. Hayata et U. Mori, 1908 Aug. 
Distris. Monotypic genus. India, Malaya. 
OpsERY. Stipites 45 em. longi, 5 mm. in diametro, stramineo- 
rubescentes, basi dense, sursum parce, squamati, ceterum glabri, 
subnitentes, cicatricibus V-formibus squamarun notati, basi teretes 
medio semiteretes, squamis inferioribus triangulari-ovatis, a basi 
latissimis 1-2 cm. longis, tenuissimis hyalinis. Frondes late trian- 
gulares stipitem in longitudine paullo superantes, 55 cm. longe, 
60 cm. late, apice acute basi truncate, pinnis infimis longissimis, 
partibus infimis quadripinnatis, inferioribus tripinnatis, superiori- 
bus bipinnatis, sursum simpliciter pinnatis, pinnis oppositis utraque 
latere cire. 18, inferiore circ. 11 cm. a se remotis, sessilibus 
transverse divaricatis, plus minus ascendento-arcuatis, pinnis infimis 
ovato-triangularibus apice acuminatis basi obtusis 35 cm. longis, 
23 cm. latis, latere inferiore quam latere superiore latioribus, 
pinnulis utraque latere 18 inferiore 4 cm. a se remotis, pinnulis I. 
