240 



POLYPODIACE.E. 



Fig. 167, Pterls excelvissiina HAYATA ; a, the plant; 

 b, a young specimen ; c, a pinnule of the plant ; d, a por- 

 tion of the same. 



in ambitu late ovata 130 

 cm. longa 90-100 cm. lata 

 apice in ambitu late 

 triangulari-acuta bi-tri- 

 pinnatifida glaberrima 

 subcoriacea vel mem- 

 branaceo-coriacea, p i n- 

 nis utroque latere 9 

 mediis a se 12cm. 

 re mot is lineari-lanceo- 

 latis pinnatifidis, pin- 

 nis infimis a rliachi- 

 bus frondium angulo 

 50 divaricatis lon- 

 gissimis (interdum 2- 

 partitis 60cm. longis 

 18cm. latis lanceolatis 

 subsessilibus ad rha- 

 chin piunatifidis, seg- 

 ment o terminal! longi- 

 ssimo linear! 14 cm. longo 

 1 cm. lato apice longe 

 acuminate basi sequilato 

 inargine integro, seg- 

 mentis juxta terminalem 

 et infimis brevissimis 

 3 cm. longis 1cm. latis 

 triangulari-acutis, pin- 

 uulis mediis longiori- 

 bus 10 cm. longis 1 cm. 



latis apice acuminatis basi decurrento-dilatatis 22 mm. latis cum iis proxi- 

 matis continuis (sinibus inter segmenta obtusis 13 mm. latis) margins integris; 

 pinna terminal! 20 cm. longa cuspidato-ovata 10 cm. lata ad rhachin pinnatifida, 



