192 Fernald—Relationships of some American 
B. pumiza, L., Mant. 124 (1767). 2B. alpestris, Fries, Summ. 
Veg. Seand., i, 212 (1846). . Fruticosa, var. humilis, 
Reichenb. Ie. Fl. Germ., xii, fig. 1280 (1850). B. nana var. 
alpestris, Regel, Mon. Bet. 45 (1861). B. Grayz, Regel, Bull. 
Soc. Imp. Nat. Mose., xxxvili, 406, t. 6, figs. 9-13 (1865).— 
Lasrapor and Nrewrounpianp to Ontario, south to Morris 
Co., New Jersrty, Champaign Co., Onto, Lake Co., Inprana, 
and McHenry Co., ILtrnois; GreENLAND, Scanpinavia, north- 
ern GermMANy, Frnzanp, LapLanp, Russia, Srperta, (Pl. V1, 
figs. 33-38. 
B. pumiLA, var. GLANDULIFERA, Regel in DC., 1. ¢. 173 (1864). 
—Onrario and Micuiean to Minnesota, SasKATCHEWAN and 
British Cotumpra, south in the mountains to Ipano and 
REGON. 
B. euanputosa, Michx., Fl. Bor.-Am., ii, 180 (1803). £. 
nana of various American authors, not L. B. Littelliana, 
upson Srrarrs to KamrsonarKa, and the Altai Mts. of 
Srperia ; south in eastern America to the higher mountains 
of Marve an EW PSHIRE; in the interior to LAKE 
B. GLANDULOSA, var. RoTUNDIFOLIA, Regel in DC., 1. ¢. 172 
(1864). B. abet te Spach, l. c. 194 (1841). B. nana, var. 
sibirica, Ledeb., Fl. Ross., iii, 654 (1849)—GrerEntanp and 
northern Lasrapor to KamrscuarKa, and the Altai Mts. of 
Stperta, south to the higher mountains of Marne and New 
AMPSHIRE, and along the coast of ALaska. Perhaps hybrid- 
izing with B. pendula. (Pl. VI, figs. 41-44.) 
