84 ROCHESTER ACADEMY OF SCIENCE. [Oct. 8, 



242. PTEROSPORA Nutt. 



612. P. Andromedea Nutt. Pine-drops. 



Dry slopes, bluffs ; rare. Bluff at the northern extremity of Ironde- 

 quoit bay, Webster, Prof. Leiinon and M . S . Baxter. Seneca point, 

 Canandaigua lake, Mrs. M . E. Streeter. 



243. MONOTROPA L. 



613. M. uniflora L. Indian Pipe. Corpse-plant. 



Deep rich woods ; frequent. 



614. M. Hypopitys L. {Hypopitys Hypopitys (L.) Small.] Pine-sap. 



Rich woods ; infrequent. 



PRIMULACEk. 



244. TRIENTALIS L. 



615. T. Americana Pursh. Star-flower. 



Cool woods and ravines ; common. 



245. STEIRONEMA Raf. 



616. S. ciliatum Raf. (Lysimac/iia ciliata L.) [Steironema ciliaiiim (L.) 



Baudo.] Low grounds and along streams ; common. 



617. S. lanceolatum Gray. {Lysimachia laiiceolata Walt.) [ Steironema lance- 



olatuvi (Walt.) A. Gray.] 



246. LYSIMACHIA Tourn. [L.] 



618. L. quadrifolia L. 



Woods, banks, slopes of ravines, etc.; frequent. 



619. L. stricta Ait. [L. terrestris (L.) B.S.P.] 



Marshy places ; frequent. 



620. L. NUMMULARIA L. MONEYWORT. 



Abundant on the flats along the Genesee river, in Seneca park. 



621. L. thyrsiflora L. [Naumbergia thyrsifiora (L.) Duby.] 



Wet meadows, marshes ; infrequent. 



247. ANAGALLIS Tourn. [L.] 



622. A. arvensis L. Common Pimpernel. 



Infrequent. Sandy fields, Greece. Alluvial soil, Irondequoit. Near 

 Highland park. Rochester, Scottsville, Canandaigua, and elsewhere. 



248. SAMOLUS Tourn. [L.] 



623. S. Valerandi L. var. Americanus Gray. [S '. floribundus H.B.K.] 



Frequent in wet meadows and along rivulets. 



OLEACE^. 



249. FRAXINUS Tourn. [L.J 



624. F. Americana L. White Ash. 



Woods; common. 



625. F. pubescens Lam. \F. Pennsylvanica Marsh.] Red Ash. 



Low woods ; infrequent. 



