BEAL ON MICHIGAN FLORA. 95 



OXALIDACEiE Lindl. Wood-Sorrel Family. 

 OXALIS L. 



1300. 0. Acetosella L. Comnion Wood -sorrel. Macomb Co.: L. Sup. and north- 

 ward. A. Gray. Rare in S. Peninsula. Th. 



1361. 0. corniculata L. Eochester. O. A. Farwell. 



1362. 0. cymosa Small. Tall Yellow Wood-sorrel. :Marqiiette Co., Burt's MS., 

 Rochester, 0. A. Farwell. Southward. Common. 



*1363. 0. stricta L. Upright Yellow Wood-sorrel. Marquette southward. Common. 



1364. 0. violacea L. Violet Wood-sorrel. Winchell Cat.; S. W., H. S. Pepoon. 

 Rare. S. E. 



LINACEiE Dumort. Flax Family. 

 LINUM L. 



1365. L. humule Mill. Belle Isle, rare, O. A. Farwell. 



1366. L. medium (Planch.) Britton. Port Huron, C. K. Dodge; Belle Isle, 0. A. 

 Farwell. 



1367. L. striatum Walt. Ridged Yellow Flax. S. W., H. S. Pepoon. 



1368. L. sulcatum Riddell. Grooved Y'ellow Flax. Dr. Wright; University Herb. 

 Rare. S. 



1369. L. usitatissimum L. Common Flax. Dr. Clark, and Dr. Wright; Keweenaw 

 Co., O. A. Farwell: Alma, C. A. Davis. Escaped from cultivation. Infrequent. 



"1370. L. Virginianum L. Wild Y'ellow Flax. Ann Arbor, Dr. Lyons; S. Mich., 

 Wright Cat.; LenaAvee Co., G. F. Comstock. Infrequent. S. 



RUTACEiE Juss. Rue Family. 

 XANTHOXYLUM L. 



*1371. X. Americanum ^lill. Xorthern Prickly Ash. Toothache-tree. Everywhere 

 aloHg streams and on low ground. L. P. 



PTELEA L. 



*1372. P. trifoliata L. Hop-tree Shrubby Trefoil. Very abundant on the low, 

 rocky islands in the western end of Lake Erie, and frequent along river banks and 

 the shore of the Great Lakes. Occurs in the interior as far north as Montcalm Co. 

 Does not occur at Flint, and is not mentioned in Dr. Cooley's MS. Ciit., but is given 

 in Dr. Wright. Alma, Ann Arbor, C. A. Davis. C. & S. 



SIMARUBACE^ DC. Ailanthus Family. 



AILANTHliS Desf. 



1373. A. glandulosa Desf. Tree-of -Heaven. Port Huron, C. K. Dodge; Detroit, 

 0. A. Farwell. 



POLYGALACEiE Keiclienb. Milkwort Family. 

 POLYGALA L. 



1374. P. ambigua Xutt. Loose-spiked Milkwort. P. rcrticillata ambigua Wood. 

 Ypsilanti, ]\Irs. Lucy Osband: Port Huron, C. K. Dodge. 



1375. P. cruciata L. S. Mich.. Wright Cat. Rare. S. 



1376. P. incarnata L. Pink Milkwort. Port Huron, Walpole Island, C. K. Dodge. 

 Rare. 



*1377. P. paucifolia ^^'illd. Flowering Wintergieen. Fringed Polygala. Common 

 on pine land. Th. 



