1894-] PLANTS OF MONROE COUNTY. 1 33 



1335. A. Boottii Tuckerm. [A. spinulosum var. Boottii Man.) \Dryopteris 



Boottii (Tuckerm.) Under w.] 



Rare. Swamp near Scottsville, M. S. Baxter. 



1336. A. cristatum Swartz. [Dryopteris cristata (L.) A.Gray.] 



Moist and marshy woods and thickets ; not uncommon. 



1337. A. cristatum Swartz var. Clintonianum D.C.Eaton. \Dryopteris cris- 

 tata Clintoniana (D. C. Eaton) Underw.] 



Low rich woods ; not uncommon. 



1338. A. Goldianum Hook. [Dryopteris Goldieana (Hook.) A. Gray.] 



Rich moist woods and shady places ; scarce. 



1339. A. marginale Swartz. [Dryopteris marginalis (L.) A. Gray.] 



Dry woods and rocky banks and hillsides ; common. 



1340. A. acrostichoides Swartz. [Dryopteris acrostic hoides (Michx.) Kuntze.] 

 Christmas Fern. 



Common in rocky woods. Var. incisum Gray is found in Webster by 

 M. S. Baxter. 



502. CYSTOPTERIS Bernhardt Bladder Fern. 



1341. C. bulbifera Bernh. \C. bulbifera (L.) Bernh.] 



Rocky walls and bottoms of shaded ravines, shaded river banks and 

 cold swampy woods ; abundant. 



1342. C. fragilis Bernh. [C. fragilis (L.) Bernh.] 



Common on shaded cliffs, rocky banks, shaded hillsides and banks of 

 brooks. Var. dentata is at Adams Basin, M. S. Baxter ; also reported 

 by Dr. Searing. Var. angustata occurs at Ogden, C. IV. See/ye. 



503. OXOCLEA L. 



1343. O. sensibilis L. 



Moist fields and thickets ; common. The so-called var. obtusilobata 

 occurs in Webster, M. S. Baxter ; also reported by G. T. Fish 



1344. O. Struthiopteris Hoffm. (Struthiopteris Germanica Willd.) [Onoclea 



Struthiopteris (L.) Hoffm.] Ostrich Fern. 

 Rich moist soil, in shaded places ; not rare. 



504. DICKSON I A L'Her. 



1345. D. pilosiuscula Willd. (D. punctilobula Kuntze.) [D. punctilobula 



(Mx.) A. Gray.] Hay-scexted Fern. 



Rare. Vicinity of Rochester, Dr. Booth. Brockport, M. S. Baxter. 

 Holley, Prof. IV. H. Lennon. Ontario, Wayne county, Geo. T. Fish. 



505. OSMUND A L. 



1346. O. regalis L. Royal Flowering Fern. 



In dry or swampy ground, in the open or in light shade; not uncommon. 



1347. O. Claytoniana L. 



Low grounds, in the open or in shade ; common. 



1348. O. cinnamomea L. Cinnamon Fern. 



In similar situations and as common as the last mentioned. Var. 

 frondosa is found at Adams Basin, M. S. Baxter. 



