212 Baker . — A Summary of the new Ferns 
27*. Cheilanthes Thwaitesii, Mett. An earlier name is C. laxa , 
Moore, Ind. Fil. 245. 
28 *. C. patula, Baker, in Journ. Bot. 1888, 225. Western China, 
Dr. A. Henry , 3998. Near C. subvillosa , Hook. 
28 *. C. Krameri, Franch. et Savat., Enum. Jap. Ill, 619. Japan. 
Near C. subillosa. Not seen. 
29*. C. albomarginata, Clarke, in Trans. Linn. Soc. Bot. ser. 2 , 
I, 456 , tab. 52 . Eastern Himalayas. Cutting of C.farinosa, 
but denuded, with white-edged paleae. Beddome now places 
C. Dalhousiae , Hook, as a variety of farinosa . 
34. C. tenuifolia, Sw. It seems impossible to draw any definite 
line of demarcation between tenuifolia and Sieberi. I cannot 
separate specifically C. Kirkii, Armst., in Trans. New Zeal. 
Instit. 1880, 36, non Hook.; C. javensis, Moore, Ind. Fil. 244 ; 
Pteris alpina, Field, Ferns New Zeal. 97 , tab. 98, fig. 3 ; nor 
C. exilis, Moore & Houlston. 
34*. C. viseida, Davenport, in Bull. Torrey Club, VI, 192 . Sierra 
Nevada, California. 
Subgenus Physapteris. 
35*. C. flexuosissima, Baker, n. sp. Stipes densely tufted, cas- 
taneous, naked, \ ft. long. Frond deltoid, decompound, 3-4 
in. long, fragile, membranous, glandulose-puberulent on both 
surfaces. Segments round or obovate, bullate, J line broad, 
flabellately toothed in the upper half. Sori placed all round 
the segments except the base. Indusium continuous, scariose. 
South Brazil, Glaziou , 7482. 
36 *. C. recurvata, Baker, in Journ. Bot. 1878, 299. Paraguay, 
Balansa , 35 . Near C. regnelliana , Mett. 
37*. C. Bolusii, Baker, in Hook. Ic. tab. 1636. Cape Colony : South 
Western province, Bolus , 2801. Near C. induta , but 4- 
pinnatifid, with a black rachis and stipe and small round 
bullate segments. 
38 *. C. Parishii, Davenport, in Bull. Torrey Club, VIII (1881), 
61, tab. 8. California, W. P. Parish . 
43*. C. albida, Baker, n. sp. Stipes tufted, wiry, slender, slightly 
scaly, 2-5 in. long. Frond oblong-lanceolate or oblong-deltoid, 
tripinnate, 2-3 in. long, densely white-hairy on both surfaces, 
with densely imbricated bright brown paleae on the midribs of 
