478 METASPERMAE OF THE MINNESOTA VALLEY. 



Herb.: Sheldon 875, Sleepy Eye; Taylor 367^, Janes- 

 ville; Taylor 691, Minnesota lake; Taylor 164, Janesville; Bal- 

 lard 513, Prior s lake, Scott Co.; Sheldon 873, Sleepy Eye; 

 Ballard 681, Waconia. (The last two are perhaps var. asiatica 

 Decn.); Oesthmd 230, Hennepin Co.; Sandberg 422, Cannon 

 Falls; OesUund 131, Minneapolis; Bailey 258a, St. Louis river; 

 Sandberg 423, Goodhue Co. ; Ballard 998, St. Paul; Herb. Sheld. 

 187, Minneapolis; Herb. Mayer 176, Montevideo. 



C. RUBIACEAE. Madder Family. 



Endlicher, Oen. PL 520 (1836-40); Lindl., Veg. King. 761 (1846)— Cm- 

 chonaceae; Lindl., 1. c. 768 (1846)— (raMoceoe; Bentham and. Hooker, Gen. 

 Plant, ir, 7 (1873); Baillon, Hist. PI. VII, 257 (1880); Schumann in EngUr 

 and Prantl, Nat. PJlanz. IV, 4, 1 (1891). 



Genera: 300 ±; tropical regions; sparingly in temper- 

 ate zones; N. rather than S. and particularly in W. hemisphere; 

 343 gen. {Schumann); 197 {Baillon); 337 {B. and H.). 



Species: 4500 ±, a few temperate or circumpolar. 



HOUSTONIA Linn. Gen. 70 (1737). 

 Baillon, Hist. PI. VII, 326 [suh Oldenlandia Linn.); Benth. and Hook., 

 Gen. PL II, 60; Durand, Ind. Gen. Phan. 174; Engler and Prantl, NaL 

 PJlanz. IV, 4, 27 (Schumann). 



Living species: 20 ±; W. N. America and Mexico. E. 

 Sts., 6-7; S. Sts. 6; W. Tex., 10. 



Houstouia purpurea Linn. var. ciliolata (Torr.) Gray, 

 Man. 5 ed. 212 (1867). 



H. ciliolata Tour. F1. U. S. I, 174 (1824). 

 Hedyotis ciliolata Torr. Sprenp. Syst. Cur. Post. 40 (1827). 

 Wats, and Coult., Gray's Man. 6 ed. 223; Mac, Fl. Can. I, 199; Upham, 

 Fl. Minn. 68; Gray, Syn. Fl. I, 2,26; Coult, Fl. Tex. 159? 



North America: Ont, Niagara river and L. Huron to 

 Minn, and Ky. 



Minn, valley: Reported from N. edge; infrequent; 

 woods and banks. 



Herb.: ? Sandberg 264, Moose lake; Sandberg 265, 

 N. Pac. Junction. 



* Houstonia purpurea Linn. var. longifolia (Gaertn.) Gray, 

 Man. 7) ed. 212 (1867). 



H. longifolia Gaertn. Fruct. I, 226 (1788). 

 ff. anyusiifolia Puusir, Fl. Am. 106 (1814) irt po?-(. 

 Hedyotis longifolia. Hook. Fl. Bor.-Am. I, 286 (1833). 

 Oldenlandia imrpurta var. longifolia CnAr:M. Fl. S. St. 2 ed. 181 

 (1887). 



Wats, and Coult., Gray's Man. 6 od. 223: Britt.. Fl. N. .7. 125: Mac, Fl. 



