﻿THE FERN BULLETIN 



55 



from America f. Boottii (A. Br.) is from Mas- 

 sachusetts. — Isoetes Boottii A. Br. ; f. Flettii 



(A. A. Eaton) is from Washington and British 

 Columbia. — Isoetes Flettii A. A. Eaton ; 

 f. maritima (Underw.) is from Vancouver 

 Island. — Isoetes Maritima Underw. ; f.muricata 

 (Dur.) ranges from Nova Scotia to New Jer- 

 sey. — Isoetes muricata Dur. ; f. robusta En- 

 gelm. is from New Hampshire and Vermont. 



280. Isoetes Engelmanni A. Br. Common; in shal- 

 low water or on moist banks of streams. Maine 

 to Delaware and Missouri. 



The forms Caroliniana A. A. Eaton from 

 Carolina, f. fontana A, A. Eaton from Penn- 

 sylvania and f. Georgiana Engelm. from 

 Georgia have been reported ; f. graci is Engelm. 

 is found with the type. 



281. Isoetes flaccida Shuttlew. Not uncommon ; in 

 ponds and streams, Florida. 



The forms Chapmani Engelm. and rigida 

 Engelm. have been reported w^th the type. 



282. Isoetes foveolata A. A. Eaton. Rare. New 

 Hampshire and Massachusetts. The form 

 plenosporaA. A. Eaton is reported with the 

 type. 



283. Isoetes Gravesii A. A. Eaton. Rare. Connecti- 

 cut. — Isoetes valid a Gravesii (A. A. Eaton.) 

 Isoetes Eatoni Gravesii (A. A. Eaton.) 



284. Isoetes hieroglyphica A. A. Eaton. Rare ; in 

 lakes. Maine. Possibly a' form of Isoetes 

 Tuckermani. 



