17 



PONTEDERIACEAE 

 Pontederia L. Pickerel Weed. 



cordata L. 



cordata L. var. angustifolia Torr. 

 Heteranthera R. and P. Mud Plantain. 



dubia (Jacq.)"MacM. 



JUNCACEAE 

 Juncus [Tourn.] L. Rush. Bog Rush. 



bufonius L. 



tenuis Willd. 



fihfortnis L. Hadley meadows, E. Tuckerman. 



effusus L. Common or Soft Rush. 



brevicaudatus (Engelm.) Femald. Mt. Toby, H. G. Jesup. Spring- 

 field, L. Andrews. 



canadensis J. Gay. Mt. Toby, H. G. Jesup. 



pelocarpus Meyer. Shores of Lock's pond, etc., E. Tuckerman ; 

 Leverett pond, H. G. Jesup. Indian Orchard. 



nodosus L. Hockanum, Whitmore's Ferry, etc., E. Tuckerman. 



acuminatus Michx. 



articulatus L. Mill Hollow, Amherst, etc., E. Tuckerman and H. 

 G. Jesup. 



marginatus Rostk. Amherst, etc., E. Tuckerman. 

 Luzula DC. Wood Rush. 



saltuensis Femald. 



campestris (L.) DC. 



LILIACEAE 

 Veratrum [Tourn.] L. False Hellebore. 



viride Ait. American White Hellebore. Indian Poke. 

 Uvularia L. Bellwort. 



perfoliata L. 

 Oakesia Watson. 



sessilifolia (L.) Watson. 

 Allium [Tourn.] L. Onion. Garhc. 



tricoccum Ait. Wild Leek. 



canadense L. Wild Garlic. 

 Hemerocallis L. Day Lily. 



FULVA L. Common Day Lily. Escaped from cultivation. 

 Lilium L. Lily. 



philadelphicum L. Wild Orange-red Lily or Wood Lily. 



superbum L. Turk's-cap Lily. 



canadense L. Wild Yellow Lily. 



