74 MICHIGAN ACADEMY OF SCIENCE. 



CORISPERMUM L. 



919. C. hyssopifolium L. Bug-seed. Frankfort, C. A. Davis; Detroit, O. A. Far- 

 well; S. Haven, L. H. Bailey; and northward to L. Superior, along the shores of the 

 Great Lakes. 



SALSOLA L. 



920. S. Tragus L. Russian Thistle. 8. Kali Tragus Moq. Well scattered over 

 the State. 



AMARANTHACE^ J. St. Hil. Amaranth Family. 



AMARANTHUS L. 



*921. A. blitoides S. Wats. Prostrate Amaranth. Lately introduced from the west, 

 spreading rapidly along railroad tracks. 



*922. A. graecizans L. Tumble-weed. A. alius L. Fields and gardens. Frequent. 

 Th. 



923. A. hybridus L. Slender Pigweed. A. hypochondriacus L. A. chlorostachys 

 Wilid. Scarcely escaped from gardens. Ann Arbor, Miss Clark; Detroit, 0. A. Farwell. 

 *924. A. retroflexus L. Rough Pigweed. A common weed in gardens. Th. 

 925. A. spinosus L. Spiny Amaranth. Detroit, 0. A. Farwell. 



ACNIDA L. 



*926. A. tamariscina concatenata (Moq.) Uline & Bray. Frequent in Grand River 

 Valley; Detroit, 0. A. Farwell. 



*927. A. tamariscina tuberculata (Moq.) Uline & Bray. Low grounds. S. Mich., 

 Winch. Cat.; Ionia Co.; Macomb Co. Frequent. C. & S. 



PHYTOLACCACEiE Lindl. Pokeweed Family. 



PHYTOLACCA L. 



*928. P. decandra L. Garget. Poke. Scoke. Pigeon-berry. Fields. Frequent. C. 

 & S. 



NYCTAGINACE^ Lindl. Four-o'clock Family. 



♦ ALLIONIA Loefl. Oxyphabus L'Her. 



929. A. hirsuta Pursh. Hairy Umbrella-wort. Oxybaphus albidus Choisy. Grand 

 Rapids, C. W. Follass. 



*930. A. nyctaginea Michx. Heart-leaved Umbrella-wort. Oxybaphus nyctagineus 

 Sweet. Richmond, W. A. Brotherton. 



AIZOACE^ A. Br. Carpet-weed Family. 



MOLLUGO L. 

 *931. M. verticillata L. Carpet-weed. Roadsides and sandy fields. Common. C. & S. 



PORTULACACE.S Eeiclienb. Purslane Family. 



CLAYTONIA L. 



932. C. Caroliniana Michx. Carolina Spring-beauty. Only found in the northern 

 part of the State. Frankfort, E. J. Parker; Mackinac, July, 1888, G. H. Hicks; 

 Keweenaw Co., O. A. Farwell; Alpena, C. A. Davis. 



*933. C. Virginica L. Spring- beauty. An early and very pretty spring flower. Com- 

 mon. Th. 



PORTULACA L. 



934. P. grandiflora Hook. Garden Portulaca. Ypsilanti, Detroit, O. A. Farwell. 

 *935. P. oleracea L. Purslane. Pussley. Very tenacious of life — a vile weed in 

 gardens. Very common. 



