2 FLORA OF BURLINGTON AND VICINITY 



ASPLENIUM L. Spleexwort 



A. aerostic'hoides Sw. Silvery Spleeiiwort. Rich woods; rare. July, 

 Aug. Shelburne, (Bates); Burlington, (N. F. F.). 



A. aiigustifoliiim Michx. Narrow-leaved Spleenwort. Rich woods; rare. 

 Aug. Shelburne. 



A. Filix-femiiia (L. ) Bernh. Lady Fern. Moist woods; common in 

 several different forms. July, Aug. 



.\. phitj neuron (L. ) Oakes. Ebony Spleenwort. Rocky open woods; 

 occasional. July, Aug. A form near var. ixcisum (Howe) Rob- 

 ins, occurs, Colchester, (Griffin). 



.V. liuta-niuraria L. Rue Spleenwort. Limestone cliffs; occasional. 

 July. 



A. Tricliomanes L. Maidenhair Spleenwort. Shaded rocks; occa- 

 sional. July. A form near var. ixcisum Moore occurs, Colchester, 

 (Griffin). 



CAMPTOSORUS Link. Walkixg LE.^F 



('. rhlzopliyllus (L.) Link. Shaded rocks, especially limestone; occa- 

 sional. Aug. Forms occur with the fronds forked at the tip and 

 with the auricles greatly elongated. 



CRYPTOGRAMMA R. Br. Rock Br.\kE 

 C. Stelleri (Gmel.) Prantl. Slender Rock Brake. Moist limestone 

 rocks; i-are. July. South Burlington, (Perkins). 

 CYSTOPTERIS Bernh. Bladder Ferx 



C. bulbifera (L.) Bernh. Common Bladder Fern. Moist shaded ra- 



vines; frequent. July. 



0. fragilis (L.) Bernh. Fragile Bladder Fern. Rocky woods and ra- 

 vines; frequent. June. 



DICKSONIA L'Her. 



D. punctilohula (Michx.) Gray. Hay-scented Fern. Moist shaded 

 places; occasional. Aug. 



ONOCLEA L. 



0. sensibilis L. Sensitive Fern. Moist meadows and thickets; com- 

 mon. Sterile June; fertile Sept. Sports are occasional, — the so- 

 called var. oBTusii.OBATA (Schkuhr) Torr. Burlington, (Miss God- 

 dard) ; South Burlington, (Ross). 



0. Struthiopteris (L.) Hoffm. Ostrich Fern. Alluvial soil; common. 

 Sterile June; fertile Sept. 



