478 METASPERMAE OF THE MINNESOTA VALLEY. 
_Hers.: Sheldon 875, Sleepy Eye; Taylor 367%, Janes- 
ville; Taylor 691, Minnesota lake; Taylor .164, Janesville; Bal- 
lard 618, Prior’s lake, Scott Co.; Sheldon 873, Sleepy Eye; 
Ballard 681, Waconia. (The last two are perhaps vay. asiatica 
Decn.); Oestlund 230, Hennepin Co.; Sandbery 422, Cannon 
Falls; Oestlund 131, Minneapolis; Bailey 258a, St. Louis river; 
Sandberg 423, Goodhue Co.; Ballard 998, St. Paul; Herb. Sheld. 
187, Minneapolis; Herb. Moyer 176, Montevideo. 
C. RUBIACEAE. Madder Family. 
Endlicher, Gen. Pl. 520 (1836-40); Lindl., Vey. King. 761 (1846)—Cin- 
chonaceae; Lindl., 1. c. 768 (1846)—Galiaceae; Bentham and Hooker, Gen. 
Plant. If, 7 (1873); Baillon, Hist. Pl. VII, 257 (1880); Schumann in Engler 
and Prantl, Nat. Pflanz. 1V, 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 #.). 
Species: 4500+, a few temperate or circumpolar. 
HOUSTONIA Linn. Gen. 70 (1787). 
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. 1V, 4, 27 (Schumann). 
Living species: 201+; 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. F1.U.S. I, 174 (1824). 
Hedyotis ciliolata Torr. Spreng. Syst. Cur. Post. 40 (1827). 
Wats. and Coult., Gray’s Man. 6 ed. 223; Mac., Fl. Can. J, 199; Upham, 
F). 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. 5 ed. 212 (1867). 
HI, longifolia GAERTN. Fruct. I, 226 (1788). 
H. angustifolia PursH, FI]. Am. 106 (1814) in part. 
Hedyotis longifolia Hook. FI. Bor.-Am. I, 286 (1833). 
(1887) Oldenlandia purpurea var. longifolia CHArM. Fl. S. St. 2 ed. 181 
Wats. and Coult., Gray’s Man. 6 ed. 223; Britt.. Fl. N. J. 125; Mac., Fl. 
