238 Davie.—Comparative List of Fern Pinna-traces , with 
Microlepia hirsuta (J. Sm.), Pr. 
Odontosoria acuteata (L.), J. Sm. 
Odontosoria chinensis (L.), J. Sm., var. Veitchii. 
Odontosoria uncinella (Kze.), Fee. 
Coniogramme japonica (Thbg.), Diels. 
Notholaena marantae (L.), R. Br. 
Notholaena sinnata (Lag.), Klf. 
Onychium japonicum (Thbg.), Kze. 
It is noticeable that none of these species retain the generic names 
given them when they were first described. In some of the genera the 
species which have been examined have been named by different authors. 
This is not the case for all, however, for the three species of Leptochilus in 
the list on p. 243 have been named b.y Christensen (whose determinations in 
the genera Dryopteris , Polystichum , and Aspidium agree so closely with the 
grouping based on the type of pinna-supply found in the species), and three 
out of five of the species of Onychium , including the divergent O.japonicum i 
have been named by Otto Kunze. 
In some of the ten species named above, the divergence in the type 
of pinna-supply is paralleled by divergences in other features. Microlepia 
hirsuta , for example, has been shown by Professor Bower 1 to stand aloof 
from other species of Microlepia in its soral and sporangial characters. 
Balantium stramineum has been placed in the genera Dicksonia (Labill.), 
Sitolobium (Brack.), and Dennstaedtia (J. Sm.). In Balantium culcita 
(L’Herit.), Klf., and B. coniifolium (Hk.), J. Sm.,the marginal type of pinna- 
supply is found ; the extra-marginal type occurs in B. stramineum and in the 
species examined of Dicksonia , Sitolobium , and Dennstaedtia. Leptochilus 
tricuspis has the marginal type of pinna-supply ; the extra-marginal type is 
found in other species of the genus. Professor Bower has recently shown 2 
that L. tricuspis differs in its ‘ diplodesmic structure’ and in its/advanced 
perforation of the solenostele * from other species of the genus. He separates 
this species as a member of a monotypic genus, under the name Gymnopteris 
tricuspis (Hook.), Bedd. Odontosoria aculeata (L.), J. Sm., O. chinensis (L.), 
J. Sm., var. Veitchii , O. uncinella (Kze.), Fee, were placed with the species 
of Microlepia by Mettenius in 1856; O. bifida (Klf.), J. Sm., O. clavata (L.) ; 
J. Sm., O. meifolia (H. B. K.), C. Chr., O. retusa (Cav.), J. Sm., have been 
placed in various genera, but not in Microlepia. O. aculeata> O. chinensis , 
var. Veitchii , and O. uncinella have, like the species of Microlepia , the 
extra-marginal type of pinna-supply ; the other species have the marginal 
type. The generic name Coniogramme was proposed by Fde for several 
species now reduced to C. fraxinea (Don), Diels. C. japonica (Thbg.), 
Diels, has been variously assigned to Hemionitis (Thbg.), Gymno - 
gramma (Desv.), Diciyogramme ([Pr.], Fde), and Notogramme (Pr.), 
1 Ann. of Bot., vol, xvii, p. 732. 2 Ibid., vol. xxxi, p. 36. 
