2 FLORA OF BURLINGTON AND VICINITY 



ASPLENIUM L. Spleenwort 



A. acrosticlioides Sw. Silvery Spleenwort. Rich woods; rare. July, 

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



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

 Aug. Shelburne. 



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

 several different forms. July, Aug. 



A. platyueuron (L.) Oakes. Ebony Spleenwort. Rocky open woods; 

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

 ins, occurs, Colchester, (Griffin). 



A. Ruta-inuraria L. Rue Spleenwort. Limestone cliffs; occasional. 

 July. 



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

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

 (Griffin). 



CAMPTOSORUS Link. Walking Leaf 



('. rhizophyllus (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 Brake 

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

 rocks; rare. July. South Burlington, (Perkins). 

 CYSTOPTERIS Bernh. Bladder Fern 



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

 vines; frequent. July. 



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



vines; frequent. June. 



DICKSONIA L'Her. 



D. puiictilobula (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. obtusilobata (Schkuhr) Torr. Burlington, (Miss God- 

 dard) ; South Burlington, (Ross). 



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

 Sterile June; fertile Sept. 



