Ferns oF Dutcuress County, New York 5 
than in the plants of certain Missouri localities at which 
he has observed the species. 
15. DryoptTreris cristata (L.) A. Gray. Seen only 
once, a few plants growing in a swamp under red maples 
and poison sumac. 
16. DryoprEeris CLINTONIANA (D. C. Eaton) Dowell. 
This, also, was found but once, growing with the preced- 
ing, but more abundant. 
17. DrYOPTERIS INTERMEDIA (Muhl.) A. Gray. Com- 
mon in damp woods. 
18. Fiurx BULBIFERA (L.) Underw. Very abundant 
and well developed, on moist rocks along brooks, the 
fronds freely bulbiferous. 
19. Fiurx rraaiuis (L.) Underw. Much less common 
than the preceding. 
20. Woops1a ostusa (Spreng.) Torr. Occasional on 
rather exposed rocks. 
21. DENNSTAEDTIA PUNCTILOBULA (Michx.) Moore. 
Very abundant, some of the fronds reaching a large size. 
22. ONOCLEA SENSIBILIS L. Common. One colony 
of the plants was extensively infested by a fungus which 
Prof. W. G. Farlow has identified as Uredinopsis mira- 
bilis (Cke.) P. Magn. 
23. PrereTis NopuLosa (Michx.) Nieuwland.! On- 
oclea nodulosa Michx. Fl. Bor. Amer. 2: 272. 1803, 
excluding synonyms; Matteuccia nodulosa Fernald, Rho- 
dora 10: 164. 1915; Matteuccia Struthiopteris and 
Onoclea Struthiopteris of American authors, not Osmunda 
Struthiopteris L. 
In the recently published Flora of the Vicinity of 
New York the New York range of this species is given as 
“The region of the Catskills, in Delaware and Greene 
counties.” The writer, however, found it growing 
abundantly in a wooded swamp near Clove, along with 
opteris cristata and D. Clintoniana. He also saw 
1 Amer. Midl Nat. 4: 334. 1916. 
