290 T. Nakai. 
II. Adiantum (p. 20) has 7 genera of 3 families; the species are 
1. Adiantum Capillus-Veneris, A. caudatum, A. curvatum, A, fla- 
bellatum, A. glaucinum, A. latifolium, A. macrophyllum, A. pe 
datum, A. pulverulentum, A. rhixophorum. 
. Davallia canariensis. 
. Dennstaedtia cieutarva. 
. Lindsaya orbiculata. 
. Hymenophyllum ciliatum. 
. Trichomanes digitatum. 
. Lygodium scandens. 
YO © IN 
III. Scolopendrium (p. 20) has 5 species of 2 families; the species are 
1. Asplenium Nidus. 
2. Phyllitis Hemionitis, P. scolopendrium, P. scolopendrium var, 
_ crispum, P. scolopendrium var. ramosum. 
3. Stenochlaena sorbifolia. 
4, Marattia fraxinea. 
The recommendation of Scolopendrium is another failure of the 
Brussels’ congress. Hırı's Phyliitis is based on the single species Phyllitis 
vulgaris (Scolopendrium vulgare, or Phyllitis scolopendrium), and is clearly 
exhibited by a coloured plate. Altough Scolopendrium has been used more 
often than Phyllitis, ancient botanists used it in very broad sense. For 
example, Rora (Tentamen Florae Germanicae III.) meant 
Scolopendrium Phyllitis Phyllitis scolopendrium 
> Ceterach Ceterach officinalis 
> septentrionale Asplenium septentrionale 
Ruta-muraria > Ruta-muraria 
alternifolium > germanicum 
and Pres (Tentamen Pteridographiae) meant 
Scolopendrium officinarum  Phyllitis scolopendrium 
> sagittatum >» Hemionitis 
» Hemionitis » > 
longifolium Triphlebia longifolia 
Durvillei Stenochlaena sorbifolia. 
We scientists should be always careful to adjust the former mislead- 
ings. If science gives in the habitual use, is better no science at all. 
IV. Aika (p. 20) is equally bad as Thelypteris. It has 44 genera Of 
2 families; the species are 
. Alsophila glabra, A. infesta, A. leucolepis, A. sp.? (sterile). 
5 Asplenium forsiacum, A. fontanum. 
3. Athyrium Filix-foemina. 
