LIST OF HIGHER SEED-PRODUCING PLANTS. 423 



ASCLEPIAS LINN. Gen. 185 (1737). 



Otaria HBK. Nov. Gen. et Spec. Ill, 192 (1818). 



Gomphocarpus, Xysmalobium, Kaiiahia K. BR. Mem. 

 Wern. Soc. I, 37, 38, 39 (1808). 



Krebsia, Mackenia HARV. Gen. S. Afr. PL ed.2, 233 (1868). 



Pachycarpus, Parapodium, Schizoglossum, Aspidoglos- 

 sum, Logarinthus E. MEY. Cornm. PL Austr. Afr. 200-221 (1837). 



Khiiiolobium ARN. Mag. Zool. and Bot. II, 420(1838). 



Caiialiia SPRENG. Syst. I, 526 (1825). 



Asclepiodora GRAY, Proc. Am. Acad. XII, 66 (1877). 



Anantherix and Stylandra NUTT. Gen. I, 169, 170 (1818). 



Polyotus NUTT. Trans. Am. Phil. Soc. V, 199 (1839). 



Podostigma and Acerates ELL. Sk. I, 316, 326 (1821). 



ScMzonotus A. GRAY, Syn. Fl. II, 1, 100 (1886). 



Fuiiastrum FOUKN". Ann. Sci. Nat. 6, XIV, 388 (1882). 

 Baillon, Hist. PL X, 245; Benth. and Hook., Gen. PL I, 752-755; Du- 

 rand, Ind. Gen. Phan. 268; Schenck, Palaeopliyt. 770. 



Living species: 180; cosmopolitan except in polar and 

 sub-polar regions. N. America, 55; S. and E. E. Sts., 28; S. 

 Sts., 30; W. Tex., 21. 



Fossil species: Tertiary, Japan (Unger)', Portugal, 

 Greenland, Rhone, Oenigen (Heer)-, 5 sp. described. 



Asclepias lanuginosa NUTT. Gen. I, 168 (1818). 

 A. nuttalliana TORR. Ann. Lye. N. Y. II, 218 (1834). 

 Acerates lanuginosa DECN. DC. Prodr. VIII (1844). 

 A. monocephala LAPHAM, Gray's Man. ed. 2, appx. (1852). 

 Wats, and Coult., Gray's Man. 6 ed. 343; Webb., Fl. Neb. 141; Upham, 

 FL Minn. 115; Coult., Fl. Colo. 242. 



North America: Mont, to Wise, and N. 111. ; S. to Neb. 

 and Colo. 



Minn, valley: Blue Earth Co. W. to Dakota line; S. 

 Central, S. W. and N. W. districts; prairies and hillsides. 



HERB.: Gedge 12', Riverton, Clay Co.; Holzinger 191, 

 Winona; Herb. Moyer 210, Montevideo. 



Asclepias viridiflora RAF. Med. Repos. XI, 360 (1808). 

 Acerates viridiflora ELL. Sk. I, 317 (1821). 



Polyotus heterophyllus NUTT. Trans. Am. Phil. Soc. V, 522 (1840). 



Wats, and Coult., Gray's Man. 6 ed. 343; Britt, FL N. J. 169; Mac., 



Fl. Can. 1,320; Upham, Fl. Minn. 115; Webb., FL Neb. 141; Coult., Fl. 



Colo. 242; Cov., Fl. Ark. 203; Chap., Fl. S. St. 365; Gray, Syn. FL II, 1, 99; 



Coult., Fl. Tex. 268. 



North America: Niagara river to Rocky mts. ; S. to 



N. J. and Fla. ; W. to Dak., Neb., Colo., Ark. and Tex. 



Minn, valley: Throughout; dry places and banks of 

 streams. 



HERB.: Type, Sheldon 1105, Springfield; Sheldon 

 1387, Lake Benton; Ballard 383, Jordan, Scott Co.; Sheldon 



