308 METASPERMAE OF THE MINNESOTA VALLEY. 



Cemsus horealis Michx. F1. Bor.-Am. I, 286(1803). 

 Pi-unus horealis PoiR. Enc. Meth. \, 674 (1804). 

 P. persicifolia Desf. Hist. Arb. II, 205 (1809). 

 Cerasus persicifoUa Loisel. Nouv. Duharu. V. 9 (1814), 

 Wats, and Coult., Gray's Man. 6 ed. 152; Britt., Fl. N. J. 92: Upham, 

 Fl. Minn. 48; Chap., Fl. S. St. 120; Coult., Fl. Colo. 77; Mac, Fl. Can. I, 

 125; Wats., Bibl. Ind. I, 306; Sarg.. N. Am. Silva, IV, 35. 



North America: Newf., N. S., N. Br. to Man., Brit. 

 Col. and Coast range; N. to Hudson Bay; S. to N. Eng., N. J. 

 and mts. of N. Car.; W. to Minn., Colo., Tenn. and Kan. 



Minn, valley: Forest district; in dry woods, hillsides 

 and river banks; N. E. and E. ; N. edge. 



Herb. : Ballard 347, Helena, Scott Co. ; Ballard 156, 

 Chaska; Sheldon 658, Waseca; Bailey 169, Vermilion lake; Bailey 

 351, Mud river; Herrick 83, Minneapolis; Sandbercj 152, Red 

 Wing; Herh. Moyer 250, Montevideo. 



LII. LEGUMINOSAE. Pulse Family. 



Endlicher, Oen. PI. 1253 (1840); Lindl. Veg. King. 544 (1846)-i?'«/x(ceae; 

 Benth. and Hook., (?e?i. PL I, 434 (1865); Baillon, Hist. PI. 11,21(1869, 

 1870); Taub8rt in Engler and Prantl, Nat. Pflanz. 3, III, 70 (1891). 



Genera: 400 ±; cosmopolitan, except in far antarctic 

 islands and rare in New Zealand; sub-family Mimosoideae cen- 

 ters in tropical America; sub-family CaeHalpinioideae, in Brazil; 

 Papilionatae in the steppes of Asia where there are 1250 species 

 of Astragalus ( Tragacantha) alone. Fossil genera; 6 doubtful; 

 1 described; Tertiary and Quaternary. 



Species: 7500 ±, 80 per cent. +, in the Papilionatae; all 

 regions of the earth. 



ACUANIA Med. Theod. Sp. Pg. 62 (1786). 



Desmaiitlius Willd. Spec. IV, 1044(1805) in part. 

 Darliiifftonia DC. Ann. Scl. Nat. Ser. 1, IV, 97 (1824). 

 Baillon, Hist. PL II, 67; Benth. and Hook., Gen. PL I, 592; Durand, 

 Ind. Gen. Plian. 109; O. Kuntze, Bev. Gen. I, 158; Engler and Prantl, Nat 

 Pflanz. 3, III, 117 (Taubert). 



Living species: 10; N. and S. America; 1 sp. around 

 the world in tropical regions. North America, 8-9; W. Tex.. 

 8; E. Sts., 2; S. Sts., 1; PI. Wheel., 2; mostly subtropical. 



Acuaiiia illinoeiisis (Michx. ) OK. Rev. Gen. I, 158 (1891). 



Mimosa illinocnsis Miciix. Fl. N. Am. II, 254 (1803). 



Acacia hrachyloha Willd. Spec. IV, 1071 (1805). 



Darlingtonia hrachyloha DC. Mem. Leg. 427 (1824). 



D. hrevifolia Raf. N. Fl. I, 42 (1836). 



Desmanthus hrachylohus Benth. Hook. Journ. Bot. IV, 358 (1842). 



D. illinoen.'iis MacM, MSS. (1889). 



