308 METASPERMAE OF THE MINNESOTA VALLEY. 
Cerasus borealis MicHx. FI. Bor.-Am. I, 286 (1803), 
Prunus borealis Potr. Enc. Meth. V, 674 (1804). 
P. persicifolia DEsr. Hist. Arb. IT, 205 (1809). 
Cerasus persicifolia LoIsEL. Nouv. Duham. 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 H.; N. edge. 
Hers.: Ballard 347, Helena, Scott Co.; Ballard 156, 
Chaska; Sheldon 658, Waseca; Bailey 169, Vermilion lake; Bailey 
351, Mud river; Herrick 83, Minneapolis; Sandberg 152, Red 
Wing; Herb. Moyer 250, Montevideo. 
LIl. LEGUMINOSAE. Pulse Family. 
Endlicher, Gen. Pl. 1253 (1840); Lindl. Veg. King. 544 (1846)— Fabaceae; 
Benth. and Hook., Gen. Pl. I, 434 (1865); Baillon, Hist. Pl. IT, 21 (1869, 
1870); Taubert 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 Caesalpinioideae, 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 MeEp. Theod. Sp. Pg. 62 (1786). 
Desmauthus WILLD. Spec. IV, 1044 (1805) in part. 
Darlingtonia DC. Ann. Sci. Nat. Ser. 1, IV, 97 (1824). 
Baillon, Hist. Pl. I1, 67; Benth. and Hook., Gen. Pl. I, 592; Durand, 
Ind. Gen. Phan. 109; O. Kuntze, Rev. 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; Pl. Wheel., 2; mostly subtropical. 
Acuania illinoensis (MicHx.) OK. Rev. Gen. I, 158 (1891). 
Mimosa illinoensis Micux. Fl. N. Am. II, 254 (1803). 
Acacia brachyloba W1LLD. Spec. IV, 1071 (1805). 
Darlingtonia brachyloba DC. Mem. Leg. 427 (1824). 
D. brevifolia Rar. N. FI. 1, 42 (1836). 
Desmanthus brachylobus BENTH. Hook. Journ. Bot. 1V, 358 (1842). 
D., illinoensis MACM. MSS. (1889). © 
