FERNS OF SOUTHERN CHINA. 
283 
Polypodium maculosum Christ. 
Dunn 3812. Fokien Province. 
Described from Yunnan. Mr. Dunn’s plants agree with the published descrip- 
tion, except that the spots on the upper surface opposite the sori, which give the 
species its name, are not, in these specimens, really conspicuous. 
Polypodium trabeculatum Copel. sp. nov. 
Iihizomate repente, 3 mm crasso, paleis nigris peltatis apiculatis argute 
clentatis 2-3 mm longis dense vestito; stipitibus 1-2.5 cm altis, validis, 
nigris vel sursum vi ri descent! bus ; lamina 12-18 cm alta, sicca vix ultra 
2 cm lata, margine integro, viva fere duplo latiore, margine crispo, 
utrinque sensim angustata, acuta; paleis nigris minutis peltatis orbicu- 
laribus vel saepius caudato-ovatis utroque latere satis numerosis; planta 
viva carnoso-coriacea, venis principalibus nullis, venulis inclusis irregu- 
laribus, sicca lignosa, venatione omnino occulta; hypodennate hyalino 
nullo, cellulis palisadiformibus trabeculato-incrassatis ; soris in seriem 
unam apud costam instructis, globosis, 4 nun latis, vix i miner sis, a paleis 
cinctis, paraphysibus aliter paucis, supra pallido-cinctis. 
Kwangtung Prov., China, ad arbores muscosos. Matthew 31. 
A species of the P. lineare group, best marked by the large costal sori and 
very black pale® on all parts of the plant: these are characteristically toothed by 
the black excurrent walls. The numerous thickened lines on the palisade paren- 
chyma walls, running perpendicularly to the surface, prevent any great collapse 
in that direction with loss of water; but the lateral shrinkage is such as I have 
never seen approached by any other fern. There is also a shortening of about 
15 per cent. The stomata are superficial. Dr. Christ, to whom I sent a specimen, 
does not regard this as safely separable from P. lineare Thunb., but it seems to 
me sufficiently easily distinguishable by other characters, if the scales on the frond 
be ignored. 
Polypodium hastatum Thunb. 
Dunn 3815. The commonest form, hardly at all hastate; but peculiar in being 
decidedly glaucous. 
Dunn 3808. Hastate-tripartite: peculiar in its almost membranaceous lamina. 
Polypodium macrophyllum (Bl.) Reinw. 
Matthew 44: Kwangtung Prov. Typical plants. 
Dunn 3895. The margin crisped, and the largest frond abruptly contracted at 
the base of the lamina proper, approaching the following. 
Polypodium macrophyllum (Bl.) Reinw. var. fokienense Copel. var. nov. 
Foliae lamina propria basi valde hastata, rarius pinnatifida, deinde ad 
stipitem dec-urrente. 
Dunn 3757, Fokien. I am not positive that this is not Selliguea cochlearis 
Christ Ac. Geog. Bot. (1907) 142. 
Polypodium Pteropus Bl. 
Kemp s. n. The trifid, dark-green form, with sori all elongate along the 
veins, not too certainly identical with the Javan plant. 
Cyclophorus assimilis (Baker) C. Chr. 
Matthew 30. Kwangtung Prov., on limestone. Known only from China. 
