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; 

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

 Decn.)-, Oesttund 230, Hennepin Co.; Sandberg 422, Cannon 

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

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

 187, Minneapolis; Herb. Moyer 176, Montevideo. 



C. RUBIACEAE. Madder Family. 



Encilicher, Gen. PI. 520 (1836-40); Lindl., V<y. King. 761 (1846) Gin- 

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

 Plant. II, 7 (1873); Baillon, Hist. PL VII, 257 (1880); Schumann in Engler 

 and Prantl, Nat. Pflanz. 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. PL VII, 326 (sub Oldenlandia Linn.); Benth. and Hook., 

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

 Pflanz. IV, 4, 27 (Schumann). 



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

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



Houstonia purpurea LINN. var. ciliolata (TORR.) GRAY, 

 Man. 5 ed. 212 (1867). 



H. ciliolata TORR. Fl. 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. 

 PL 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.: V Sandberg 264, Moose lake; Sandberg 265, 

 N. Pac. Junction. 



Houstonia purpurea LINN. var. longifolia (GAERTN.) GRAY, 

 Man. 5 ed. 212 (1867). 



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

 H. angustifolia PURSH, Fl. Am. 106 (1814) in part. 

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

 Oldenlandia purpurea var. longifolia CHAPM. Fl. S. St. 2 ed. 181 

 (1887). 



Wats, and Coult, Gray's Man. 6 ed. 223; Britt.. Fl. N. J. 125; Mac., FL 



