FILICES. 617 
Cheilanthes eatoni, Bak. in Hook. et Bak. Syn. Fil. p. 140; Eaton, Ferns N. Am. i. p. 349, t. 45. 
figg. 6-12. 
Cheilanthes bradburii, Hook. Sp. Fil. ii. p. 97, t. 109 B. 
Nort Carouina to Texas and Artzona.—Nortu Mexico, Soledad, Coahuila (Palmer, 
1396), Caracol Mountains (Palmer, 1891), Soledad, Guajuco, Nuevo Leon, and moun- 
tains east and south of Saltillo (Palmer, 1398, 1394, 1397, 1398: eatoni), San Luis 
Potosi (Parry & Palmer, 9994; Schaffner, 910: eatoni), Hb. Kew. 
21. Cheilanthes viscosa, Kaulf.; Hook. Sp. Fil. ii. p. 104, t. 938; Hook. et 
Bak. Syn. Fil. p.136; Eaton in Proc. Am. Acad. xviii. p. 186; Fourn. Mex. Pl. Enum. 
i, p. 123, excl. syn. Liebm. ? 
Cheilanthes tenuis, Presl, Reliq. Henk. 1. p. 65? 
Norta Mexico, Sierra Madre (Seemann, 1944), San Luis Potosi (Schaffner, 926 ; 
Parry & Palmer, 990); South Mexico, between Talea and Hacienda de Gertrudes, 
Oaxaca (Liebmann), around Mexico (Schmitz), Pedregal (Bourgeau, 258); GUATEMALA, 
Motagua valley (Godman & Salvin); Nicaracua, Realejo (Barclay).—VENEZUELA. 
Hb. Kew. . 
Eaton (loc. sup. cit.) states that Pellwa glauca, J. Sm., in no way differs from this. 
22. Cheilanthes wrightii, Hook. var. ?, Eaton in Proc. Am. Acad. xviii. p. 185. 
Nortu Mexico, Soledad, Coahuila (Palmer, 1378). Hb. Kew. 
Typical C. wrightit ranges from Texas to Arizona. 
[ Myriopteris intermedia, Fourn., and Aleuritopteris schaffnert, Fourn. in Bull. Soc. Bot. 
France, xxvii. p. 328, both collected by Schaffner in the State of San Luis Potosi, belong 
to Cheilanthes as limited here, and most probably to some of the foregoing species. | 
17. LLAVEA. 
Llavea, Lagasca ; Hook. et Bak. Syn. Fil. p. 144, t. 8. fig. 28. 
A monotype. 
1. Llavea cordifolia, Lagasca; Hook. Sp. Fil. ii. p. 125, et Ic. Pl. tt. 387, 388; 
Hook. et Bak. Syn. Fil. p. 144; Fourn. Mex. Pl. Enum. i. p.122; Eaton in Proc. Am. 
Acad. xviii. p. 187, 
Ceratodactylis osmundoides, J. Sm. in Hook. et Bauer, Gen. Fil. t. 26; Fée, 5° Mém. Foug. p. 228. 
Allosorus karwinskii, Kunze in Linnea, xiii. p. 138, et Farrnkr. t. 4; Benth. Pl. Hartw. p. 54; 
Mart. et Gal. Foug. Mex. p. 47; Liebm. Mexicos Bregner, p. 69. 
Botryogramme karwinskii, Fée, Gen. Fil. p. 166, t. 15. + 
NortH Mexico, San Luis Potosi (Virlet d Aoust); Guajuco, Nuevo Leon (Palmer, 
1375); Sourn Mexico, Barranca del Encarnacion, near Zimapan, region of Orizaba 
(Bourgeau, 2513), Oaxaca 5000 to 7500 feet (Galeotti, 6351), Vera Cruz to Orizaba 
(Miller), Zimapan (Coulter, 1684), Amatenango, Chiapas (Linden, 1522), Chiapas &c. 
(Ghiesbreght, 235), Sierra San Pedro Nolasco &c. (Jurgensen, 680). Hb. Kew. 
BIOL. CENTR.-AMER., Bot. Vol. ILI., December 1885. 4k 
