Salicornia herbacea, L. 

 ♦Polygonum Careyi, Olnev. 



hydropiperoides, Mx. 

 Fagopvrum esculentum, Moench 

 Rumex crispus, L. 

 ♦Urtica gracilis, Ait. 

 ♦Boehmeria cylindrica, Willd. 

 •Peltandra Virginica, Raf. 

 Lemna trisulca, L. 



polyrhiza, L. 

 * •• minor. L. 

 Tvpha latifolia. L. 

 Sparganium simplex 



Samphire 



Polygonum 



Mild Water Pepper 



Buckwheat 



Dock 



Nettle 



False 



Arrow Arum 



Duckweed 



Cat Tail 

 Burr Reed 



Huds. 



var. Xuttallii. Gray. 



•• androcladum, Gray. 

 Xaias Indica. var. gracillima. Braun. Naiad 



Zannichellia palustris, L 

 Zostera marina. L. 

 Ruppia maritima, L. 

 *Triglochin maritimum, L. 

 •Potamogeton natan-. L. 



* Oake-ianus. Robbins. 

 Clavtonii. Tuck. 

 Spirillus, Tuck, 

 amplitblius. Tuck. 

 hvbridus. Mx. 

 perfoliatus, L. 

 pauciflorus, Pursh. 

 pusillus, L. 

 Robbinsii, Oakes. 

 pectinatus, L. 



♦Alisma Plantago, L. 

 Echinodorus parvulus, Engel. 

 ♦Sagittaria variabilis, Engel. 

 •Anacharis Canadensis, Planchon. 

 *Vallisneria spiralis, L. 

 •Habenaria lacera, R. Br. 



* •• psycodes, Gray. 



* •• fimbriata, R. Br. 



* •• Lridentata, Hook 



* •• vircscens. Spren, 

 *Goodvera repens, R. Br. 

 ♦Lilium Philadelphicum, L. 



* •■ Canadense, L. 

 •Eriocaulon ^eptangulare. With 



AUGUST. 



Lechea tenuifolia, Raf. 

 intermedia. Raf. 



Horned Pondweed 

 Eel Grass 

 Ditch ■ 

 Arrow " 

 Pondweed 



Water Plantain 



Echinodorus 



Arrowhead 



Waterweed 



Tape Grass 



Ragged Orchis 



Small Purple 



Great " 



Dwarf " 

 Greenish 

 Rattlesnake Plantain 

 Red Lily 

 Yellow " 

 Pipe wort 



Pin Weed 



