LIST OF HIGHER SEED-PRODUCING PLANTS. 423 
ASCLEPIAS Linn. Gen. 185 (1737). 
Otaria HBK. Nov. Gen. et Spec. IIT, 192 (1818). 
Gomphocarpus, Xysmalobium, Kanahia R. Br. Mem. 
Wern. Soc. I, 37, 38, 39 (1808). 
Krebsia, Mackenia Harv. Gen. 8. Afr. Pl. ed.2, 233 (1868). 
Pachycarpus, Parapodium, Schizoglossum, Aspidoglos- 
sum, Logarinthus E. Mey. Comm. Pl. Austr. Afr. 200-221 (1837). 
KRhinolobium ARN. Mag. Zod]. and Bot. IT, 420(1838). 
Canahia SPRENG. Syst. I, 526 (1825). 
Asclepiodora Gray, Proc. Am. Acad. NII, 66 (1877). 
Anantherix and Stylandra Nutt. Gen, I, 169, 170 (1818). 
Polyotus Nutr. Trans. Am. Phil. Soc. V, 199 (1839). 
Podostigma and Acerates Ext. Sk. I, 316, 326 (1821). 
Schizonotus A. Gray, Syn. Fl. IT, 1, 10u (1886). 
Funastrum Fourn. Anno. Sci. Nat. 6, NIV, 388 (1882). 
Baillon, Hist. Pl. X, 245; Benth. and Hook., Gen. Pl. 1, 752-755; Du- 
rand, Ind. Gen. Phan. 268; Schenck, Palaeophyt. 770. 
Living species: 180; cosmopolitan except in polar and 
sub-polar regions. N. America, 55; S. and HE. 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. Lyc. N. Y. IT, 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. Ill.; 8. 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 Rar. 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. I, 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. IT, 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. 
Hers.: Type,—Sheldon 1105, Springfield; Sheldon 
1387, Lake Benton; Ballard 383, Jordan, Scott Co.; Sheldon 
