Lysimachia. 277 



sc. phys. VII. (1820) 193; A. Gray in Proc. Amer. Acad. XII. (1877) 63; Synopt. Fl. 

 North Amer. II. 1. (1886) 61; Chapman, Fl. South. Un. St. ed. 3. (1 897; 298; Small, 

 Fl. S.-E. U. St. (1903) 904. — Planta glabra. Caulis erectus, parce ramosus, sub- 

 angulatus, 0,5 — 1,3 in altus. Folia opposita, rarius singulis internodiis abbreviatis sub- 

 quakema, ovato-lanceolata , acuminata, integerrima , glaberrima, margine minutissime 

 ciliata, breviter petiolata petiolis 1 — 2 cm longis, ciliatis. Flores axillares. Pedicelli foliis 

 vulgo subduplo breviores, interdum ea longitudine aequantes, leviter fiexuosi, 2 — 6 cm 

 longi. Calycis usque ad basin partiti, corolla subduplo brevioris laciniae lineari-lanceo- 

 latae, acuminatae; corollae aureae, fere usque ad basin partitae lobi late ovati, dcnticu- 

 lati; stamina corollae basi afßxa, libera, lobis subduplo breviora; antherae magnae, fila- 

 mentis aequilongae; staminodia parva, filamentis 2 — 3-plo breviora. 



Atlantisches Nord-Amerika, von Neu-Schottland bis Georgia, westlich bis 

 Brit. Columbia und Neumexico, in Gebüschen und auf trockenem Boden: New 

 York (Cooper!, Pearson!), Yersey (v. Rabenau, Fl. Verein. Staat.!); Pensylvanien 

 (Barbour, PI. West. Pensylv. n. 38!, Moser, Unio Hin. a. 1832); Maryland (Eimer, 

 Fl. of Whitman County n. 137!jJ Ohio (Frank!, Drege!, Schrader! , Krebs n. 33"!); 

 Indiana (Matthes, N. Am. PI. coli, in Ind. n. 77!); Minnesota (PI. of Minnesota!); 

 Missouri, St. Louis (Eggert, Herb. Amer.', Kansas (Norton, PI. of Kans. n. 322!); 

 Arkansas (Rafinesque!); Arizona (Rusby, Fl. of Ar. n. 715!); Mississippi (Lamarre- 

 Picquot; Virginia Murrill!); Nord-Carolina Schweinitz!, Biltmore Herb. n. 3477 b!); 

 Idaho (Palmer in PI. of Idaho n. 449! ; Washington (Oregon Bound. Comm. a. 

 1859! a. 1861 !); Saskatschewan (Palliser's Brit. N. Am. Exp.!;. In Europa durch 

 Samen eingeschleppt in Belgien, Dept. Lüttich zwischen Verviers und Limburg (Le- 

 jeune in Reichenbach, Fl. Germ. exs. n. 1010!, in Deutschland bei Spaa und 

 Malmedy (nach Hallier, Fl. v. Deutschland ed. 5. XIX. (1884) 168), Nord-England, 

 Dept. Cumberland bei Carlisle Backhouse a. 1844), Süd-Schottland am Firth of 

 Clyde bei Dumbarton Ball, West. Highlands of Scotl. a. 1850!). 



43. L. tonsa Wood in sched. — Steironema tonsum Bicknell ex Britton-Brown, 

 111. Fl. N. U. S. II. (1897) 590; Harper in Bull. Torr. Bot. Club XXVIII. 1901] 477; 

 Small, Fl. S.-E. U. St. (1903) 904. — Steironema intermedium Kearney in Bull. Torr. 

 Bot. Club XXI. (1894) 264; Mohr in Bull. Torr. Bot. Club XXIV. (1897) 25. — PI. 

 glabra. Caulis erectus, strictus, parce ramosus, laevis aut subangulatus , 45 — 60 cm 

 altus. Folia opposita, superne saepe quaterna, omnia lanceolata, acuta, integerrima, 

 glaberrima, inferiora et media breviter petiolata petiolis 1 cm longis, vix alatis, glabris, 

 superiora sessilia. Flores axillares. Pedicelli folia longitudine subaequantes, 2 — 1*/| cm 

 longi. Calycis usque ad basin partiti, corolla subduplo brevioris laciniae ovato-lanceo- 

 latae vel lanceolatae, acuminatae, acutae; corollae aureo-luteae, fere usque ad basin 

 partitae lobi rotundato-ovati, eroso-denticulati, acuminati; stamina corollae basi affixa, 

 libera, lobis subduplo breviora; antherae magnae, filamentis aequilongae; staminodia 

 brevissima, obcuneata vel rhomboidea, saepe eroso-denticulata; Stylus filiformis, stamina 

 longitudine aequans. 



Var. a. typica R. Knuth. — Caulis ramosus, strictus. 



Südöstliches atlantisches Nord-Amerika: Georgia, Cobb County, auf 

 trockenen Hügeln, 330 m (Harper, Georg. PI. n. 208!). Nach Kearney auf trockenen 

 Sandsteinfelsen, 300 — 500 m, in Virginia (Aikin); Kentucky, Harlan Co. (Kearney 

 n. 121); Tennessee, Knox Co. Kearney); Alabama, Talladega Co. (Mohr), Clay 

 Co. (Mohr). 



Nota. Varietas similis speciei L. radicans, a qua diversa caulo erecto, foliis superioribus 

 quaternis, floribus maioribus, intensius coloratis. 



Var. ß. simplex (Kearney) R. Knuth. — Steironema tonsum var. simplex Kearney 

 in Bull. Torr. Bot. Club XXIV.' (1897 571; Harper in Bull. Torr. Bot. Club XXVIli. 

 (1901, 477. — Caulis simplex, 20 — 30 cm altus, laxus. Petioli breves, ad 15 mm 

 longi, basi vix ciliati. Foliorum laminae 1 — 4 cm longae, 15 — 25 mm latae, late 



