AN ENUMERATION OP CULTIVATED TEENS. 



4. LETJCOSTEGIA, Tresl. 

 Rhizome thick, short, suroulose, sometimes hyppgrcons. 

 Fronds deltoid, tripinnatifid, or 

 niultifid, sometimes lanceolate 

 and bipinnatifid. Veins forked; 

 venules free, the anterior ones 

 often very short. Receptacles 

 terminal, superficial, or immersed 

 on the exterior venules. Sori 

 round. Indusium sub-reniform, 

 oblong, or nearly orbicular, 

 plane, interiorly attached by its 

 broad base, equal with or shorter 

 than the margin, thin, scariose. 



Genus 1.— Fertile pinna. 



* Rhizome epigeeous squamose. 



1. L. hirsuta, J. Sm. En. Fil. Fhilipp. Microlepia hirsuta, 

 Moore. Davallia ciliata, Hooh. Sp. Fil. 1, 184, t. 

 60 A. — Luzon. 



2 L. BomeenEis, /. Sm.; Nephrodhim (Lastrca) Bomeense, 

 Ilook. Sp. Fil. 4, p. Ill; Hook. Ic. PI. t. 993.— Borneo. 



3. L. parvula, /. 8m. Davallia parvula, Wall. ; Hook et 



' Grev. Ic. Fil.f. 138. — Malayan Islands, Singapore. 



4. L. pulehra, /. 8m. Davallia pulehra, D. Don. Acro- 



phorus pulehra, Moore Ind. Fil. (cxcl. syn. Davallia 

 charrophylla). — Nepal. 



5. It. chserophylla, /. Sm. Davallia chawophylla, Wall; 



Hook. Sp. Fil. 1, 167, t. 51 A. Acrophorus chaaro- 

 phyllus, Moore. Humata chserophylla, Mcitin. Fil. 

 Hart. Lips. t. 27,/. 9, 10.— East Indies. T. 



6. L. affinis, J. Sm. Davallia affinis, Hook. Sp. Fil. 1, 158, 



t. 52 B. Acrophorus affinis, Moore. Humata 

 affinis, Mett. Fil. Hort. Lips. t. 27, /. 5, 6.— Ceylon, 

 Singapore, Philippine Islands. 



** Rhizome hypogceous. Fronds deciduous. 



7. L. immersa, Presl. ; J. Sm. ; Hook. Gen. Fil. t. 52 A. 



Davallia immersa, Wall. ; Hook. Fil. Exot. t. 79. 

 Acrophorus immersus, Moore. Humata immersa 

 Mettin. — East Indies. 



