ICONES FILICUM SINICARUM 



3* 





PLATE 16. 



CYRTOMIUM LONCHITOIDES Christ 



POLYPODIACEAE 



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CYRTOMIUM LONCHITOIDES Christ in Bull. Geogr. Bot. Mans (1902) 264; C. Chr. Ind. 



Suppl. 101 (1906-13). ' 



Polystichum lonchitoides Diels in Nat. Pfl. Fam. I. 4. 195; C. Chr. Ind. 585 (1906). 

 Aspidium lonchitoides Christ in Bull. Boiss. 7: 16 (1899). 



Rhizome short, erect, covered with large dark brown lanceolate, membranaceous 

 scales and so is the stipe, scales about 1 cm. long, 3 mm. broad, with entire or scarious 

 margin; stipes 5-10 cm. long, dark stramineous; frond 20-30 cm. long, 4-5 or 6 cm. 

 broad, elongate lanceolate, narrowed downward, pinnate under the deeply pinnatifid 

 short apex; rachis covered with stiff spreading linear-subulate light brown scales; 

 pinnae 16-20 on each side, shortly petiolate or subsessils, remote, subopposite or alter- 

 nate, unequal, patent, the lower ones much reduced, triangular-auriculate with a shard 

 deflexed apex on the upper side, the lower side cut away to the costa, to 3 cm. long, 



1.2 cm. broad, entire or more or less sinuate-crenulate; texture thin herbaceous; vein 

 very oblique, dense, copiously anastomosing usually with one rarely 2 excurrent in- 

 cluded soriferous veinlets in each areola; sort very small, numerous, in 3 rows on each 

 side of the costa, inducium very thin, peltate or reniform. 



. -• > • - ,», 



Distribution: Szechuan, Hupeh, Kweichow, Yunnan. 



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Thjs species was first discovered by Pere Bodinier in Kweichow It is most 

 closely related to Cyrtomium fortunei J. Sm. var. polypterum Diels, differs in elongate 

 lanceolate frond of almost membranaceons texture and numerous smaller undulate- 

 crenate pinnae. 



Plate 16. Fig. 1. Habit sketch (natural size). 2. A pinna, showing venation and sori (x 2), 

 3. A Scales from stipe (x 5). 4. Scales rachis (x 5). 5. A detached sorus with inducium (x 46). 



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