AND VICINITY. 71 



SAURURACE2E. Saururads. 



SAURURUS, L. Lizard 's-tail. 



cernuus, L. Nodding Saururus. 



Swamps and water-sides. Borders of Oneida lake, Knizskern, Gray. Low 

 woods east of Onondaga lake. Swamps southeast of Oswego. Banks of streams 

 between Syracuse and Savannah, Cayuga river marshes. Owasco lake out- 

 let, I. H. Hall. Common along Clyde river. Frequent. July, August. 



CERATOPHYLLACEiE. Hornworts. 



CERATOPHYLLUM, L. Hornwort. 



DEMERSUM, L. Submerged Ceratophyllum. 



var. echinatum, Gray. Rough Ceratophyllum. 



Slow-flowing or still water. Outlet of Canaderaga lake, where it flowers and 

 fruits readily. Penn-Yan, Sartwell in herb. Ham. Coll. 



Infrequent. June, July. 



CALLITRICHACE JG. Wa ter-starworts. 



CALLITRICHE, L. Water-darwort. 



verna, L. Vernal Callitriche. 



Still water beside streams, ponds. Frequent. 



forma terrestris, Engelmann. Uoss Callitriche. 



Muddy banks. Millpond at Cedarville. Uncommon, June - August. 



AUTUMNAlis, L. Autumnal Callitriche. 



River borders. Borders of Canaderaga lake outlet. Alexandria bay, G. W. 

 Clinton. Rare. August. 



PODOSTEMACE^E. River-weeds. 



PODOSTEMON, Michaux. River-weed. 



ceratophyllum, Michx. Horn-leaved Podostemon. 



Stony bottoms of streams. In flowing water, Watertown, Jefferson county, 

 Crawe. Gray in Rare plants of Northern N.Y. Watertown. Crawe in herb. 

 Sartwell Ham. Coll. Rare. July, August. 



EUPHORBIACEtE. Spurges. 



EUPHORBIA, L. Spurges. Euphorbia. 



polygonipolia, L. Polygonum-leaced Euphorbia. 



Shores. Mouth of Genesee river, Sartwell in herb. Ham. Coll. Lake shore 

 at Charlotte, C. M. Booth. Rare. July - September. 



maculata, L. Spotted-leaved Euphorbia. 



Roadsides, banks of streams. Common. July - October. 



hyperictfolia, L. Rypericum-leaved Euphorbia. 



Damp gravelly places, hillsides. Common. July - September. 



HELIOSCOPM, L. Sun-gazing Euphorbia. 



Shores of Onondaga lake; most abundant at its head, Salina. 



Rare. July - October. 



platyphylla, L. Broad-leaved Euphorbia. 



Pastures, roadsides. "Winfield, south Herkimer county. Paris hill. Clark's 

 mills, towards Pratt's settlement. Ocoasional. June - September. 



