446 ART. I.—B. HAYATA : 
Polypodium quasidivaricatum [layara n.n. Polypodium diva- 
ricatum Hayara in Tokyo Bot. Mag. XXILL. p. 78, (non Foury.) 
Polypodium Engleri Lurnss. ; C. Cunisrensen Ind, Fil. p. 525. 
Has. Randaizan, leg. T. Kawakami, (No. 7079), 
Disrris. Japan. 
Polypodium Hancockii Baker; Marsum. ct Hayara Enun. PI. 
Formos. p. 631. 
Has. Kusshaku, leg. G. NaKAHARa. 
Polypodium Engleri Lurrss. var hypoleucum Hayara n. y. 
Rhizoma repens 25 mm. in diametro dense squamatum, squamis 
tenuibus semi-hyalinis (primum rubro-fulvescentibus demum 
ferrugineis), acuminato-ovato-lanceolatis 4 mim. longis 1 mm. latis 
basi peltatis, partibus infra insertionem 1 mm. longis rotundatis, 
squamis ad apicem alabastrorum frondium acuminato-linearibus 
6 mm. longis #mm. latis a basi peltatis, partibus infra inser- 
tionem 3-lobatis 4 mm. longis. Stipites basi squamati supra basin 
subito nudi glabri straminei vel plus minus purpurascentes sub- 
teretes facie sulcati 7 cni. longi 1 mm. in diametro.  Frondes 
lineari-lanceolatee 22 cm. longwe 2 cm. late apice acuminate basi 
obtuse plus minus attenuate chartaceo-membranacee margine re- 
pandato-undulate, undulis 7 mm. latis, costis purpurascentibus 
vel stramineis, supra planis distincte conspicuis, subtus clevato- 
prominentibus, venis distinctis exsiccato indico-coloratis tenuibus 
subrectis a costa angulo 50° divaricatis ad sinum undularum vix 
attingentibus apice ramosis prope marginem eyanescentibus a se 
5mm, remotis, venulis inter venas costa parallelis reticulatis, 
areolam formantibus, (areolis oblique quadrangularibus 2-3 mm. 
longis totiusque latis venulis liberis apice ramosis ramis recurvis 
