1058 



marginato, limbi laciniis subiotundis, rachi supeine akta, inferne stipiteque subnuda 

 pubescente. 



" Habitat in insulis Pbilippinis, verosimiliter in insula Luzon, unde retulit clar. 

 Cuming, et aliis plantis immixtuin sine numero communicavit." — p. 47. 



13. D. undiilatum, Presl. "D. glabeniraum, fronde lanceolata angustato-acumi- 

 nata pinnata, pinnis petiolulatis lanceolatis acutis profundissime pinnatifidis, laciniis 

 linearibus obtusis integerrimis undulatis, soris exsertis subpedicellatis, indusio infun- 

 dibuliformi alato, limbi laciniis ovatis obtnsis, receptaculo setaceo, rachibus stipiteque 

 alatis, ala undulata. 



" Habitat in insulis Pbilippinis, verosimiliter in insula Luzon, unde retulit clar. 

 Cuming, et aliis plantis mixtum communicavit." — p. 48, 



14. D. serrulatum, Presl. " D. fronde ovata acuta aut lanceolata utrinque angus- 

 tata bipinnata, pinnis petiolulatis oblongo-lanceolatis acutis, pinnulis lanceolatis obtu- 

 sis profundissime piunatifidis, laciniis inferioribus bilobis superioribus integris lobisque 

 linearibus sinuato-serrulatis, soris exsertis sessilibus, indusii tubo turbinato-infundibu- 

 liformi limbi laciniis ovatis obtusis eequilongo, receptaculo setaceo indusium duplo 

 superaute, racbibus superne alatis inferne teretibus costisque venisque paleis piliformi- 

 bus adspersis glabrisve, stipite filiformi paleaceo-hirsuto, Cuming, PI. Exs. Philip, 

 n. 221. 



" Habitat in insulis Pbilippinis, ubi legit clar. Cuming." — p. 48. 



**Chilodium. 



15. D. Neesii. Tri. Neesii, Blume. T. denticulatum, Blume, excl. syn. Sio. et 

 Willd. Hym. humile, Nees et Blume, et H. dicbotomura, Nees et Blume, nee Cav. 



16. D. longisetum, Presl. " D. paleaceo-pubescens glabratumve, fronde oblongo- 

 lanceolata acuta bipinnata, pinnis petiolulatis oblongo-lanceolatis acutis, infimis sub- 

 oppositis, pinnulis lanceolatis obtusis inciso-acute serratis basi angustatis, incisuris 

 infimis tri- bidentatis, soris exsertis pedicellatis, iudusii tubo cylindraceo-infundibuli- 

 formi, limbi laciniis rotundatis denticulatis, receptaculo setaceo longissimo, stipite 

 paleaceo-piloso tereti, rhizomate oblique repente. Cuming, PL Exs. Philip, n. 189, 

 et n. 134. 



" Habitat in insulis Pbilippinis, verosimiliter in insula Luzon, ubi legit clar. Cu- 

 ming.'' — p. 49. 



*** Crepidium. 



17. D. humile. Tricb. humile, Forst. 



Genus, Meringium, Presl. 



The reader's attention is particularly invited to a very remarkable 

 character in this genus : the involucre, as will be seen from the an- 

 nexed description, is furnished with two linear-lanceolate, acute, ser- 

 rated bracteas, which are beautifully exhibited in the figure, t. viii./. B. 



" Venae alternae, pinnatim ramosse venulisque subprominulse et apice libero desi- 

 nentes. Sorus lateralis, subpedicellatus, basi bibracteatus. Indusii tubus breviter 

 campanulatus, limbo bipartito, laciniis late ovatis obtusis concavis demum divaricato- 

 patentibus. Capsulae lenticulares, parti inferiori receptaculi filiformis rigiduli crassi- 

 usculi indusio longioris affixaj, sessiles. Rbizoma repens, ramosum, iiliforme, ramisque 

 radicibusque paleis piliformibus horizontalibus rufis hirsutum. Stipes duos — semiter- 



