— 27 - 



tatae et breve deern-rentes; frondes 3-fidae lobo mediano frondibus 

 simplieibus simili sed non decurrente, lobis lateralibus patentibus, 

 basi breviter decurrentibus, costis subtus + paleaceis, costulis 

 (main veins) manif'estis, areolis primariis utrinque — 7-serialibus, 

 areolas minores et venulas liberas includentibus. Frondes fertiles 

 sterilibus similes sed multo minores. 



Hort. Bog., {? Malesia). — The description is taken from 

 specimens cultivated in the Buitenzorg gardens and probably 

 gathered in one of the malayan islands. — Near L. Harlandii, 

 C. Chr. {Gymnopteris decurrens, Hk., Fil. Exot., tab. XCIV). 



Leptocliilus (Chrysodium) Raapii. v. A. t\ «. 



Ehizoma erectum, paleis erectis, lineari-lanceolatis, obscure 

 fuscis, margine pallide fuscis dense vestitum. Stipites dense 

 fasciculati, 15 — 30 cm. longi, glabri, firmi, erecti, sulcati, fron- 

 dium fertilium longiores. Frondes dimorphae, flaccido-coriaceae, 

 glabrae; frondes steriles simplices, interdum ternatae; segmenta 

 frondium ternatarum frondibus simplieibus similia sed minora; 

 frondes simplices ovato-lanceolatae, elongatae, integrae, 12 — 20 

 cm. longae, 3 — 4 cm. latae, basi + rotundatae vel late cuneatae, 

 apicem versus sensim angustatae, apice brevi-acuminatae, costulis 

 (main veins) nullis, venis reticulatis, areolis iis Acrostichi similibus; 

 frondes fertiles ternatae, segmentis brevi-petiolatis, linearibus, + 

 4 — 6 cm. longis, + 5 m.m. latis, acutis. 



Ba tu Islands (Raap). — Simple fronds with the appearance 

 of the pinnae of Acrostichum aureum, L., but smaller. 



