BEAL ON MICHIGAN FLORA. 103 



LUDWIGIA L. 



1510. L. alternifolia L. Seed-box. Dr. Wright; near Detroit, Dr. Cooley; near 

 Algonac, C. K. Dodge; S. W., H. S. Pepoon. S. W. 



1511. L. polycarpa Short & Peter. Dr. Pitcher and Dr. Clark. St. Glair Co., A. F. 

 Foerste, C. K. Dodge. C. & S. 



CHAMAENERION Adans. EPILOBIUM L., in part. 



*1512. C. angustifolium (L) Scop. Great Willow-herb. Epilobium spicatum. Lam. 

 E. angustifolium L. Great Willow Herb Fire-weed. Springs up abundantly where for- 

 ests have been burned over, hence one common name. 



1512a. C. angustifolium canescens (Wood.) Trelease. Keweenaw Co., O. A. Farwell. 



EPILOBIUM L. 



1513. E. adenocaulon Haussk. Northern Willow-herb. Trelease, Revision of 

 Epilobium, p. 95. Keweenaw Co., O. A. Farwell. Frequent. 



*1514. E. coloratum Muhl. Purple-leaved Willow-herb. Common. Th. 



1515. E. Hornemanii Reichenb. Hornman's Willow-herb. Upper Wisconsin and 

 Michigan. A. Gray. U. P. 



*1516. E. lineare Muhl. Linear-leaved Willow-herb. Hubbardston; Flint; Alma; 

 Stanton, and north to L. Sup. Infrequent in C. and rare or not at all in S. 



1517. E. palustre L. Marsh Willow-herb. Frequent in swamps. 



1518. E. paniculatum Nutt. Panicled Willow-herb. Britton and Brown. 



*1519. E. strictum Muhl. Soft Willow-herb. Hubbardston; Flint; Ann Arbor; 

 Macomb Co., Alma; northward to Keweenaw Co., 0. A. Farwell. Frequent. 



ONAGRA Adans. CBNOTHEEA L., in part. 



*1520. 0. biennis (L.) Scop. Common Evening Primrose. Oenothera biennis L. 

 Common. Th. 



1521. 0. Oakesiana (A. Gray.) Britton. Oakes Evening Primrose. Oenothera 

 biennis Oakesiana A. Gray. Shores of the Great Lakes. 



OENOTHERA L. 



1522. 0. laciniata Hill. 0. sinuata L. Detroit, O. A. Farwell. Rare. 



1523. 0. rhombipetala Nutt. S. W., H. S. Pepoon. 



KNEIFFIA Spach. CENOTHERA L., in part. 



1524. K. fruticosa (L.) Raimann. Common Sundrops. Oenothera fruticosa L. 

 Palo, Ionia Co.; Flint; Macomb Co.; Ann Arbor, Allmend. Cat.; Keweenaw Co.. O. A. 

 Farwell. Th. 



1525. K. pumila (L.) Spach. Small Sundrop. Oenothera pumila L. Ontonagon 

 Falls, Whitney Cat.; So. Mich., Wr. Cat.; Oscoda, shore Lake Huron. Infrequent. Th. 



HARTMANNIA Spach. CENOTHEEA L., in part. 



1526. H. speciosa (Nutt.) Small. Showy Primrose. Bay City, G. M. Bradford. 



GAURA L. 



1527. G. biennis L. Biennial Gaura. Dr. Wright. Maiden, Ont., Maclagan, Cana- 

 dian Catalogue. Detroit, 0. A. Farwell. 



1528. G. coccinea Pursh. Scarlet Gaura. White Pigeon, W. J. B. 



CIRCAEA L. 



*1529. C. alpina L. Smaller Enchanter's Nightshade. Woods. Common. Th. 

 *1530. C. Lutetiana L. Enchanter's Nightshade. Woods. Very common. Th. 



