280 



„G amnion Meadow Swett" Americanontm. 



Glabra. Folia brevissime petiolata, 4—5 cm. Jg. 15—17 

 mm. It. lanceolate^ apice basique acuta, serrata v. duplicato- 

 serrata subtus nervis prominentibus. Racemi compositi. Se- 

 pala triangularia margine ciliolata clemum patentia petalis ro- 

 tundis rubicundis 2plo_ breviora. Stamina 30—40 biserialia 

 corollam superantia? Folliculi 5 glabri. 



Eossia media et australis inque omni Sibiria, lac. Baikal. 

 (Patrin! /?. alpestris^ Pallas), Kamtschatka : Tigil (Erman!), 

 Amur (Maxim.!), Coast of Manchuria (C. Wilford a. 1859!) 

 America bor.: New Foundland et Saskatscliawan usque ad 

 Georgiam (Michaux!), Kentuky (Hooker!), Amer. bor. Angl. 

 (Hooker!). Seit 1665 in England. Europa: Carniolia, Carin- 

 thia, Styria!, Bohemia (Sieber!), Hungaria (Sieber!) an spon- 

 tanea an fugitiva ex hortis ? Wg. 



a. linearis Wg. 



Folia 6 cm. lg. 8 mm. It., linearia, serrata. 



Illinois (R. F. Morgan a. 1877!). - 



/3. lanceolata T. et Gr. 415. 



Folia minora 25 mm. lg. 7 mm. It., lanceolata, serrata, 

 ad basin saepe integra. Racemi racemulis laxis compositi. — 

 Flores albi. 



Saskatscliawan (E. Bourgeau a. 1857/58!) Lake Winipeg 

 Valley (Bourgeau a. 1857!). Culta: lit. Berol. ! 



y. paniculata Alton, lit. Kew. 1 ed. II, 189, 2 ed. 

 Ill, 254; Michx. 293; Pursh I, 341; Hooker I, 172; T. et Gr. 

 415 ; Willd. sp. pi. II, 1055 ; Loudon II, 729. 



Sp. alba Duroi, lit. Harbke'II, 403 (1772); Ehrh. Bei- 

 traege VII, 137. 



Folia 5 cm. lg. 15 mm. It. oblonga. Pedunculi racemulo- 

 rum divaricati v. expansi, Flores albi. 



Massachusetts (Robins a. 1819!). Culta: lit. Berol.! lib. 

 Ehrh. ! 



S) lati folia Ait. 1. c; Willd. sp. pi. II. 1056; T. et 

 Gr. 1. c; Mchx., Pursh, Hooker, Loudon 1. c. 



8 p. carpiniiolia Willd. Enum. I, 540, lib. N. 9792 

 fol. 1—4; Guimpel t. 7. 



Folia 35 mm. lg. 15 mm. It. oblongo-ovalia, subinciso- 

 duplicato-serrata. Racemi racemulis laxis compositi. Flores 

 pallido-rosei. Folliculi subdivergentes. 



Amer. bor. (Kinn !), Boston (Boott !), New York (Jacquemont!) 



