AN ENUMEEATrON OF CULTIVATED PiSEKS. 



77 



4. LEUCOSTEGIA, PresL 

 Rhizome thick, short, surciilose, sometimes hypogfeona. 

 Fronds deltoid, tripinnatifid, or 

 multifid, sometimes lanceolate 

 and bipinnatitid. Veins forked; 

 venules free, the anterior ones 

 often very short. BiBceptadss 

 terminal, superficial, or immersed 

 on the exterior veliules. 8ori 

 round. Ind/asivmi sab-reniform, 

 oblong, or nearly orbicular, 

 plane, interiorly attached by its 

 broad base, equal with or shorter 

 than the margin, thin, scariose. 



Genns 4. — Fertile pinna. 



* MJiizome epigmous squamose. 



1. Ii. hirsuta, J. Sm. En. Fil. Philipp. Microlepia hirsiita, 

 Moore. Davallia ciliata, Hooh. 8p. Fil. 1, 184, t. 

 60 A. — Luzon. 



2 L. Borneensis, J. 8m.; Nephrodium (Lastrea) Bomeense, 

 Hooh. 8p.Fil. 4, p. Ill; nook. Ic. PZ. 1 993.— Borneo. 



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



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



4. L. pulclira, /. 8m. Davallia pulchra, D. Bon. Acro- 



phorus pulchra, Moore hid. Fil. {excl. syn. Davallja 

 chserophyUa) . — Nepal. 



5. L. chserophyUa, J. 8m. Davallia chserophyUa, Wall.; 



Hooh. 8p. Fil. 1, 157, t. 51 A. Acrophorus chasro- 

 phyllus, Moore. Humata chEerophylla, Mettim. Fil. 

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



6. L." aflO-nis, J. 8m. Davallia affinis, Hooh. 8p. Fil. 1, 158, 



t. 52 B. Acrophorus affinis, Moore. Humata 

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

 Singapore, Philippine Islands. 



** Rhizome hypogceous. Fronds deciduous. 



7. L. immersa, Presl. ; J. Sm. ; Hooh. Gen. Fil. t. 52 A'. 



Davallia immersa, Wall; Hooh. Fil. Fxot. t. 79. 

 Acrophon.i=i immersus, Moore. Humata imnsersa 

 Mettin. — Bast Indies. 



