463 
N.C. (Small and Heller); at 2,700 in Garrett county, Md. (J. 
D. Smith); at 2,000 feet at Onteora, N. Y. (Miss Vail); at 1,000 
feet in Northern Vermont (Brainerd). [Lowistanian ; Carolin- 
tan, Alleghanian; Canadian. | 
Dryopreris Novesoracensis (L.) A. Gray. Ranges from sea 
level along the Atlantic coast, from N. C.,northward,to 5,000 feet 
on White Top Mt., Va. (Mrs. Britton); occurs at 650-900 feet 
in Northern Alabama (Mohr); at 2,200 feet, near Marion, Va. 
(Mrs. Britton); at 2,700 feet in Garrett county, Md. (J. D. 
Smith); at 2,000 feet on the Pocono Mt., Pa. (Porter); at 
2,200 ft., Onteora, N. Y. (Miss Vail); at 1,500 feet in Northern 
Vermont (Brainerd). : [ Alleghanian ; Canadian? | 
DRYOPTERIS SPINULOSA (Retz.) Kuntze. Ranges from near sea 
level in New York and New Jersey to 2,600~5,000 feet on 
White Top Mt., Va. (Mrs. Britton); occurs at 2,700 feet in 
Garrett county, Md. (J. D. Smith); at 2,200 on the Pocono 
Mt., Pa. (Porter); at 2,000 feet at Onteora, N. Y. (Miss Vail) ; 
at 500 feet in Northern Vermont (Brainerd); at 5,000 feet on 
Mt. Adams, N. H. (Deane). [Aleghanian ; Canadian.]| 
. DRYOPTERIS SPINULOSA, var. DILITATA (Hoffm.) Underw. Ranges 
from 500 feet in Northern New Jersey, northward to 6660 feet 
on Clingman’s Dome, N. C. (Beardslee and Kofoid); occurs at 
6,000 feet on Grandfather Mt., N.C. (Small and Heller); at 
_ 5678 feet on White Top Mt., Va. (Miss Leeming); at 2,300 
feet on the Pocono Mt., Pa. (Porter); at 2,600 feet at Ava- 
lanche Pass, N. Y., (Britton) ; at 4,500 feet on the mountains 
of New England (Deane, Faxon, Brainerd, Pringle). [-A/e- 
ghanian; ; Canadian.]| 
_DRYOPTERIS SPINULOSA, Var. INTERMEDIA (Muhl.) Underw. Ranges 
from near sea level from New Jersey northward to 5,000 feet 
on White Top Mt., Va.(Mrs. Britton); occurs at 2,000 feet on 
the Pocono Mt., Pa. (Porter); at 2,000 feet at Onteora, N.Y. 
(Miss Vail); at 5,000 feet on the mountains of New England © 
(Faxon, Brainerd, Pringle, Deane). [ Alleghanian ; Canadian. | 
Dryorreris THELYPTERIS (L.) A. Gray. Ranges from sea level _ 
along the Atlantic coast to 2,000 feet in Northern Vermont 
(Brainerd); occurs at 300 feet in Baltimore county, Md. (J. D. 
