Synopsis of Chautanqua Ferns 



V. Leaves all alike; sori linear or oblong. 



13. LADY FERN (Asplenium Filix-femina). Sori variously curved ; 



at length confluent. No. 7 Roberts Avenue. 



14. NARROW-LEAVED SPLEENWORT (Asplenium angustifolium). 



No. 6 Pratt Avenue. 



15. SILVERY SPLEENWORT (Asplenium acrostichoides). No. 9 



Bowman Avenue. 



VI. Leaves all alike ; sori round. 



16. COMMON POLYPODY (Polypodium vulgare}. Abundant in 



the woods. 



17. COMMON BEECH FERN (Phegopteris polypodioides}. No. 6 



Pratt Avenue. Several other species occur in the region. 



18. MARSH ASPIDIUM (Aspidium Thelypteris). Near P. R. R. 



freight house; marshy places. 



19. NEW YORK ASPIDIUM (Aspidium noreboracense) . No. 7 



Roberts Avenue. 



20. GOLDIE'S ASPIDIUM (Aspidium Goldianum}. No. 9 Bow- 



man Avenue. 



21. Boon's ASPIDIUM (Aspidium Boottii). No. 9 Root Avenue. 



22. SPINULOSE ASPIDIUM (Aspidium spinulosum). No. 6 Pratt 



Avenue. 

 23 & 24. THE BLADDER FERNS (Cystopteris bulbifera and C. fragilis} ', 



indusium arched, hood-like, or bladder-like. 



25. THE WOODSIAS. Several species; small, tufted, pinnate- 

 leaved ferns. 



93 



