82 



CHAEACTEES OP TKIBES AND GENEEA. 



three following' g-enera. They are all natives of the Old 

 World, not being- represented in America. 



2.— HuMATA, Cav. (1801.) 

 DavaUia in part • Sntith and oilier authors. 



Surculiim slender. Fronds linear, lanceolate, entire, 

 sinuose, pinnatifid, or deltoid bipinuatifid, rigid, g-lossy, 

 rarely squamose, 4 to 12 inches in height. Fg/ns giniple or 

 ibrked, free, often thickened upwards, Sori marginal or 

 antimarginal. Receptacles punctiform. Indusium sub- 

 rotund, or reniform, entirely attached by its generally 

 broad base, shorter or equal with the margin, forming a 

 bilabiate firm cyst. 



Type. DavaUia pedata, Smith. 



Illust. — Hook and Bauer, Gen. Fil., 1. 114 A ; Moore, lud. 

 FiL, p. 74. ; J. Sm., Ferns Brit, and For., fig. 2 ; 

 Hook. Syn. Fil., t. 2, fig. 18, a. b. c. 



Oris. — This genus consists of about a dozen species, 

 natives of the Malayan, Philippine, and Asian Islands of 

 the Pacific Ocean. It is distinguished from true BavalUa, 

 by the indusium being attached by its interior base only. 



Ex. — H. ang-ustata, Wall. ; H. heterojjhylla, 8in. (v v.) ; 

 H. pectinata, Sm. ; H. parallela, Wall. ; H. pedata, Sm. 

 (v V.) ; H. sessilifolia, Bl. ; H. Cumingii, Uoolc. (v v.) ; 

 H. vestita, LI. ; H. Tj-ermani, Moure {^i-pp. Huoh. Si/a. Fd.). 



3. — Davallia, Sni. in part (1703). 



DaVidlia in part, Hooh. Sp. Fit. 



Sarculiun creeping, or sub-erect and sulj-frutescent. 

 Fronds pinnate, bipinnate or deltoid multifid, firm and 



