OCTOBER 30, 1908] PrERIDOPHYTES OF THE Horn or NEGROS 
Negros and Mindanao. 
India. 
Stipes very long. 
Asplenium tenerum Forst. 
On mossy boulders and bases of trees, alt. 600 m., No. 98606. 
Throughout the Philippines, common. 
India to Polynesia. 
This collection includes the common form with rounded 
pinnae. With it and connected by gradations is a form with very 
acute, long pinnae and a prominent auricle 5 mm. or more 
long, which, if by itself, would pass easily for a distinct species. 
In more monstrous individuals this auricle becomes almost 
free, and more than 2 cm. long, and finally several lower 
pairs of pinnae may break up into pinnules connected only 
by a wing, each pinnule like a small pinna of a normal 
frond. In such freaks, the basiscopic pinnules are the largest 
ones. 
Asplenium unilaterale Lam. 
On mossy rocks in ravines, alt. 900 to 1200 m. aad in 
moist woods, alt. 1400 m., Nos. 10018, 9602, 10209. ‘‘Bana- 
nat-sa-bato.’’ 
Throughout the Philippines. 
Africa to Hawaii. 
The three numbers of this collection seem to include two 
fairly distinct species, but I am not sure which, if either, 
is real A. unilaterale. No. 9602 is like the Japanese form. 
This group includes, in the Philippines, A. exciswm Presl, A. 
subnormale Copel. (A. mun Presl nomen), and A. filipes 
Copel. 
Asplenium pellucidum Lam. 
In ravines at 600 m. and on ridges at 1200 m., No. 
10256. 
This is the elongated Javan form, not found so well 
devoloped farther north than Negros. 
Asplenium persicifolium J. Sm. 
On mossy bases of trees, alt. 1200 m., No. 9719. ‘‘Locdo- 
magamai." 
Luzon, Mindoro, Bohol (?). 
403 
