86 Prof. Kunze on some Fite of the United States. 
abc below. Swartz, in his Synopsis, p. 79, and 272, re- 
rs “cha plant, together with the q 2% ions, to 9 A. polypo- 
dioides ; but he seems to have had apt > other j plant in view, in 
pat» up his deseript ion, perhaps a of A. pg or to 
have mainly Puumdcocd Plukenet’ s Ady as he says, pinne basi 
utrinque se aurite, and as he leaves out Michaux’s words, 
« fructificatione lineis brevissimis, ” and as he says in the. descrip- 
tion, “‘sori lineares, brevissimi, ad latera costa utrinque puncta 
Polypodii mentientes, etate confluentes.” Schkuhr ant ‘only 
sori confluent - 
manoides of the gardens i met s nothing but A. Twidbiahenie i 
As Swartz’s pe Ai e is entirely gratuitous, 
the latter must be restored to = cae 
A. melanocaulon, W. and A. Trichomanes,*are united by 
Hooker, nor can I pepe distinguish them. A. monta- 
_aum, W., which is considered a rare plant, has been ec 
in abundance i in N. Carolina, by Rugel, and in Georgia, by hy Dae 
rich.* A, Adiantum nigrum, Michx., belongs he I have 
seen any American specimens of the true A. Filia feemina ; j eal 
ars to be represented by A. Michausii, Spr. (A. Filix foeniina, 
lich., Aspid. angustum, W.), and by A. Athyrium, Spr. ( Aspid. 
asplenivides, W. ), the latter extends as far north as Labrador and 
¥ 
Newfoundland, Both these species, which are certainly well 
Mexican 
distinguished, are thrown together by Hooker. 'The 
A, Michaucii, Mart. and Gal., is a distinct species which I have 
‘named, A. Martensi. My A. ‘Sibinicum ( ee crenatum, 
merfelt) may yet be discovered in arcti 
Preris.—P. pedata, of the North Oe soe iia Som I have notas 
yet seen, so. ae unable to say to which of the lately distin- 
species it may belong, probably to P. geraniifolia; R 
P. atropurpurea as well as P. gracilis, must ‘be referred to the 
. genus Allosurus.. P. caudata of the United States, is not the true 
Linnean plant which is common in South America, and the West 
Indies, and is-distinguished by the nodose base of the rhachis, as 
has already been stated by J. Agardh, Monogr. Pterid. 49, but 
a variety of P. aquilina, L., Schk., t. 96. b., peculiar to North 
America, which Desvanx, Prodr,, Fil. p- 303, has distingnished un- 
der the name of P. latiuse: males § and which ought to be more 
closely studied. It occurs more or less hairy. 
Attosurus.—{ Cryptogranuna, Br.) A. gracili s, Kaulfuss , Pte 
ris, Mich., is ci ae to A, i, though distinet. I have 
Ee ic ta ——— 
* And ‘even sis far dngh-na/Billehare , North Garclimn/ palin Mr. C1 r 
% 
