338 METASPERMAE OF THE MINNESOTA VALLEY. 



PTELEA Linn. Gen. 78 (1737). 



Bellucia Adans. Fam. PI. II, 344 (1763). 

 Baillon, Hist. PI. 1\, 482; Benth. and Hook., Gen. PI. I, 301; Durand, 

 Ind. Gen. Phan. 55; Gray III. Gen. II, 149; Schenck, Palaeopliyt. 534; Sarg. 

 N. A. Silva I, 75. 



Living species: 7; temperate N. America and S. Mex- 

 ico. W. Tex., 2; Mid. Calif., 1; S. Sts., 4; E. Sts., 1; Canada, 

 1; Rocky mts., 1; PL Wheel., 1; PL King, 1. 



Fossil species: 7-10; Tertiary; Oligocene, Europe 

 (Heer) ; Greenland (Reer) ; Sagor (Ettinghausen) ; Hungary ( Unger), 



Ptelea trifoliata Linn. Spec. 118 (1753). 



P. pentaphylla Fabr. Enum. PL Helmst. 416 (1759). 

 P. viticifoUa Salisb. Prodr. 68 (1796). 

 P. tomentosa Raf. FL Lud. 108 (1817). 

 Wats, and Coult., Gray's Man. 6 ed. 107; Britt., FL N. J. 74; Wats., 

 Bibl. Ind. I, 154; Upham, FL Minn. 37; Chap., FL S. St. 66; Mac, FL Can. 

 I, 93, £05; Coult., FL Tex. 54; Sarg., Silva, I, 76; Cov., FL Ark. 171. 



North America: S. Ont. and Long Island to Fla. ; W. 

 to Minn., Ark. and Cent, and W. Tex. 



Minn, valley: S. E. districts?; doubtful, but reported 

 from S. E. j)ortion of State. No Minn, specimens have been 

 seen. 



LVII. POLYGALACEAE. Polygala Family. 



Endlicher, Gen. PI. 1077 (1840); Benth. and Hook., Gen. PI. I, 134 

 (1862); Baillon, Hist. PI. V, 71 (1874). 



Genera: 11; temperate and warmer regions. 

 Species: 400; principally small herbs. 



POLYGALA Linn. Gen. 567 (1737). 



Solomonia Louk. Coch. FL 14 (1790). 



Psycanthus and Triclisperma Raf. Speech. 116, 117 (1814). 



£pirliizanthiis Blume, Cat. Buit. 25 (1823). 



Badiera, BrachytropLs, Cliamaebiixus, Senega DC. Prodr. 

 I, 321 seq. (1824). 



Isolophus, Tricolophus Spach, Suit. Buff. XI, 112 (1842). 



Senieiocardiuni IIassk. Ilort. Bogor. 227 (1844). 



Phylace Noit. ex Hassk. 1. c. (1844). 



Acaiithocla<lu.s Klotzscii, PL Sell. (1846?). 



Penaea Plum. Gen. 22 (1703). 

 Baillon, iii,sL2^J.V, 87; Benth. and Hook., Gen. PI. I, 136, 137, 974i 

 Durand, J?jd. Gen. Phan. 27; Gray, iW. Gen. II, 221. 



Living species: 275 ±; cosmopolitan. Europe, 21; 

 Russia, 8; Russian Europe, 8; N. America, 36; S. Sts., 26-28; 

 Calif., 3; Canada, 6; E. Sts., 15-17; PL Wheel., 2; W. Tex., 8. 



