ICONES FILICUM SINICARUM 



IOI 





• 



PLATE 



50. 



(Bl 



Presl 





POLYPODIACEAE 



IA 



ICUSP1S 



(Bl.) 



Presl 



y 



Epim. 



189 



(1839); 



Christ, Farnkraut. 



Erde 



128 



$ 





fig. 360; Diels in Nat. Pfl. Fam. 1. 4. 336, fig. 175; C. Chr. Ind. 181 



(i9°5) • 





- t 





■ 



Polypodium bicuspe Bl., Enum. 12 



(1828) 



y 



Fl.Jav. Fil. 



B. 





* 





Anapausia bicuspis Moore, Ind. XXI (1857). 



• 



'. 





Acrostichum bicuspe HK. Sp. Fil. 



271 



> 



Syn. Fil. 421 



Gymnopteris vespertilia HK. in Lond. Journ. Bot. 



193 



} 



(1846). 



Cheiroplenria vespertilia Presl, Epim. 190 



o 



49)- 









Rhizome woody, thick as man's small finger, short-creeping, densely clothed with 



yellowish silky hairs; stipes several together, those of barren frond 30 



cm 



or more long 



• 



terete below, broadly grooved above 



y 



dark 



stramineous, shining; barren frond 10-15 cm 



long and a little less broad in the entire portion, ovate, rounded at the base, the upper 



part consisting of 2 



broad 



divaricated deltoid 



acuminate 



lobes 



with 



broad 



rounded 



- 



sinus 



een 



y 



margin entire; texture thick coriaceous 



y 



shining green above, pale below 



y 



mam 



veins palmate, radiating from the. apex of the stipe to 



glabrous on both surfaces; 



the upper edge, with copious areolae between them; fertile fronds 



15 





2 



cm. long 



y 



1.2 



cm. broad, ligulate lanceolate, tapering on both 



ends 



y 



simple 



> 



with 



prominent ribs,; 



sort dark brown 



y 



covering the whole under surface except the midrib and 



very 



. 



narrow free margin, the stipe 45 cm. or longer. 





Distribution: Java, Formosa, Liu-kiu 



Isles 



y 



mes 



y 



Sumatra 



y 



Japan 



» 



China : 



Kwangsi. 





It is interesting to note here that the genus Cheiropleuria 



was 



not 



known from 



China 



prior 



to 



the 





Academia Sinica Kwangsi Expedition 



y 



1928 



y 



when 



was 



discovered by me for the 



first 





time 



in N. Kwangsi on the border 



of 



Kweichow, in the 



chink of rather exposed limestone cliff. 



verv rare 



fern 



in the 



region. 



Oi 



1 



Chinese 



plant matches Brume's type very well in having bilobed frond. 



The 



var. 



integri folia 



l~*tx\* 



with 



simple 



entire ovate-acute 



or 



short acuminate barren 



leaves 



y 



commnon 



in 



Formosa, is not yet known in this country. — R.C.C. 



6). 



25). 



Plate 50. Fig. 1. Habit sketch (natural size). 2. A portion of sterile frond, showing venation 



portion of cross section of fertile frond, showing disposition of sori and paraphyses 



3- 



Hair from rhizome 



25). 



sporangium 



100). 



6. Paraphyses 



40). 







• 



