﻿256 Farwell: Michigan Species of Polygonatum 



sessile; peduncles up to 30 mm, in length, with equal pedicels 12 

 mm. or less, two-flowered; flowers green, broadly tubular, 12-14 

 mm. long by 4-6 mm. wide. [Plate 17, A.] 



Moist elder thickets. Michigan: Rochester, June, 1914, 

 Farwell S^riYi- 



*^ Polygonatum canaliculatum americanum. (Hook.) comb. nov. 

 Polygonatum latifolmtn Desf. in Pursh, Flor. Amer. Sept. 235. 



Convallari 



z commutata J. 



A.&J 



H. Scult 



Syst. 7: 



1671. 



Polygonati 



m commutatum Dietr. 



in Otto 



& Dietr. 



Garte 



222,. 



835. 











Polygonati 



m miiltiflorum 



^ amen 



canum (in 



part) Hook. F 



Amer. 



2: 176. 1840. 











Polygonatum latifolium v 



ar. commutatum B 



aker, Jou 



r. Linr 



Soc 



Bot. 14: 555- 1875- 

 Polygonatum bifiorum commutattim Morong, Mem. Torrey Glut 



5: 115- 1894- 



Stems 9-12 dm. in height, cyUndrical, about 10 mm. ir 

 diameter, only the lower third naked; leaves eighteen to twenty 

 eight, ovate-lanceolate, 25-60 mm. wide by 7.5-14 cm., with nim 

 to thirty-one more or less conspicuous nerves, peduncles often 5 cm 

 in length with subequal pedicels, 18 mm. or less, two- to eight 

 flowered (generally six- or seven-flowered on the lower peduncles) 

 flowers 14 mm. long by 4 mm. wide. [Plate 17, B.] 



Low wet situations in open fields and thin woods. Michigan 

 Ypsilanti, June, 1893, Farwell 1150; near Rochester, June, 1914 

 Farwell 3675. New Jersey: Franklin, August, 1875, H. H 

 Rushy (distributed as P. giganteum). Ontario: Walkerville, 

 June, 1891, ^. L. Johnson (likewise distributed as P. giganteum). 



' Polygonatum canaliculatum giganteum (Dietr.) comb. nov. 

 Convallaria multiflora L. in Michx. Fl. Bor. Amer, i: 202. 1803, 

 Polygonatum multiflorum Desf. in Pursh, Fl. Amer. Sept. 234, 



1814. 

 Polygonatum giganteum Dietr. in Otto & Dietr. Gartenz. 3: 222 



1835- 

 Polygonatum multiflorum p americanum (in part) Hook, Fl. Bor, 



Am. 2: 176. 1840. 

 Polygonatum biflorum 7 giganteum Wood, Bot. & Flo. 346. 1870 



