46 AMERICAN FERN JOURNAL 
place I made trips into the Everglades and along the line 
of the Florida Keys 
Commencing our search at Bradentown, on the Man- 
atee River, we readily find Dryopteris patens (Sw.) Ktze., 
D. unita (L.) Ktze., Woodwardia areolata (L.) Moore, 
eridium aquilinum caudatum (L.) Kuhn, and Acrosti- 
chum excelsum Maxon. The last is a giant among ferns, 
growing mostly in salt or brackish marshes, and so has 
been called the salt marsh fern. I found stalks of last 
year’s growth nine feet high, with stipes as thick as a 
_M™an’s finger, and single pinne a foot long, often thirty 
_ pairs of them on a single frond, and very much crowded, 
_ with the sporangia covering the entire back of the frond 
ee agen sometimes on the front also 
abounds } an 
we SVS YY WAL, 
mostly under two feet. _ 
In the hammocks and ‘growing on the trunks sd large 
he lim 
ic 
: 
ae 
aa 
: 
ee is. abundant but does not fruit till later. ; 
teridium aquili 
: ij ‘80 7 well wodiiced that it would deserve specific rank did _ 
pnt rad J insensibly i into the typical form farther north. 
measured old stalks eight feet high, but in dry places : 
rizontal 1 a limbs of oaks, — covering them entirely, 
retty Polypodium polypodioides (L.) Hitch. This 
in the rainy season and then dries and shrivels a 
