LIST OF HIGHER SEED-PRODUCING PLANTS. 169 



Platanthera tipuloides LINDL. Orch. 285 (1846). 

 Gymnadenia tridentata LINDL. Orch. 227 (1846). 



Wats, and Coult., Gray's Man. 6ed. 506; Britt., Fl. N. J. 234; Upham, 

 Fl. Minn. 133; Mac., Fl.Can. II, 13; Cov., Fl. Ark. 223. 



North America: Newf. N. Br., Q., Ont. to L. Huron 

 and L. Superior; S. to N. Eng., N. J. and N. Car.; W. to 

 Minn., Ind. and Ark. 



Minn, valley: N. E. district; infrequent; damp woods 

 and near springs. 



HERB. : Bailey lOa, White Bear lake. 



POGONIA Juss. Gen. 65 (1789). 



Nervilia GAUD. Freyc. Bot. Voy. 422 (1826). 



Corclylia BLUME, Bij. 416 (1826). 



Bophostemon BLUME, Fl. Jav. 6 (1828). 



Aplostellis THOU. Orch. He. Afr. t. 24 (1806). 



Haplostellis ENDL. Gen. 219 (1838). 



Cleistes L. C. RICH. Mem. Mus. Par. IV, 31 (1818). 



Triphora NUTT. Gen. II, 192 (1818). 



Codonorchis LINDL. Gen, et. Spec. Orch. 410 (1840). 



Isotria and Odonectis RAF. Desf. Jour. Bot. I, 220, 221 (1808). 



Didymoplexis GRIFF. Gale. Journ. IV, 383 (1844'. 

 Benth. and Hook., Gen. PL III, 615; Durand, Ind. Gen. Phan. 401; 

 Engler and Prantl, Nat. Pflanz. 2,VI, 106. 



Living species: 43; cosmopolitan. N. America, 6; E. Sts., 

 5; Canada, 3; S. Sts., 4. 



Pogonia ophioglossoides (LiNN.) KER. Bot. Reg. 148(1816). 



Arethusa ophioglossoides LINN. Spec. 951 (1753). 



Wats, and Coult.,, Gray's Man. 6 ed. 505; Upham, Fl. Minn. 141; Mac., 

 Fl. Can. II, 11; Britt., Fl. N. J.233; Chap., Fl. S. St. 457; Engl. Pfltzer, 

 Nat. Pflanz. II, 6, 106. 

 Japan? 



North America: Newf., N. S., N. Br., Q., Ont.; S. to 

 N. Eng., N. J, and Fla.; W, to N. Ind. and Minn. 



Minn, valley: N. E. and N. W. districts; local, bogs 

 and tamarack swamps. 



HERB.: Oestlund 193, Ramsey Co.; Herrick 294, Minne- 

 apolis; Kassube 229, Minneapolis; Sandberg 549, Chisago Co.; 

 Sandberg, 550, Chisago Co.; Herb. Sheld. 1756, Ramsey Co. 



ARETHUSA LINN. Gen. ed. V, 905 (1754). 



Benth. and Hook., Gen. PL III, 614; Durand, Ind. Gen. Phan. 401; 

 Engler and Prantl, Nat. Pflanz. 2, VI, 107 (Pfltzer). 



Living species: 2; Japan, 1; Atl. N. Amer., 1. 



Arethusa bulbosa LINN. Spec. 950 (1753). 

 Wats, and Coult., Gray's Man. 6 ed. 504; Britt., Fl. N. J. 232; Upham, 



