MICHIGAN ACADEMY OF SCIENCE. 175 



Stony Creek. Amelanchier florida table 8611 of Curtiss' Botanical 

 Magazine is scarcely the same as Lindley's plate 1589. It has little 

 in common with that outside of the leaf serratures. It agrees ])etter 

 with that of Lindley's A. sanguinea plate 1171 of the Botanical Register. 

 It has the appearance of l)eing the result of a cross between the two; it 

 is briefly characterized as with the foliage of the former and the in- 

 floresence of the latter. 



Amelanchier Canadensis (Lin.) Medic. Var. oligocarpa, (Mx.) T. & 

 G. Fl. No. Amer. 1, 474, 1840. 



Mespilus Canade7isis Lin. var. oligocarpa, Mx. Fl. Bor. Am. 1, 291, 

 1803. 



Amelanchier Bartramiana Roemer Sys. Rosif. 145, 1847. 



A low shrub not over 3 feet high forming dense clumps, having a 

 habit much like that of Rhamnus alnifolius or Jwiiperus communis, var. 

 depressa. The leaves are oval or ellipitical, acute at apex and more or 

 less cuneately acute at base, glabrous; flowers one or two, rarely three, 

 and apparently in the axils of the leaves. Swamps, Farwell No. 52d 

 August 17, 1883, from the Keweenaw Peninsula. 



Amelanchier Canadensis (Lin.) Medic, var. pauciflora N. Var. 



A low tree-like shrub, eight feet or less; leaves ovate, oblong, obovate, 

 oval or elliptical, obtuse or acute and from cuneate to slightly cordate 

 at base; all these variously shaped leaves are to be found on the same 

 twig; they are glabrous or nearly so from the beginning; the flowers 

 are in the axiles of the leaves and single or from two to five in a lax 

 and often a fastigiate raceme. Apparently this is a cross between the 

 varieties rotundifolia and oligocarpa. Moist thickets and swamps. 

 Farwell No. 52, No. 52a, No. 52b, August 15, 1883, and 52c, August 

 17, 1883, from the Keweenaw Peninsula. 



Amelanchier Botryapium (Lin. f.) Borkh. Handb. Forstb. 2, 1260, 

 1803 (?); D. C. Prod. 2, 632, 1825. 



Mespilus Canadensis Lin. Syst. Nat. XII, 343, 1767, in large part, not 

 Lin. Sp. PI. 478, 1753. 



Pyrus Botryapium Lin. f. Suppl. 255, 1781. 



Mespilus Canadensis Lin. b. cordata Mx. Fl. Bor. Am. 1, 291, 1803. 



A tree of generally drier situations than that of the preceding, but 

 may be found in swampy places. Leaves never brownish purple, 

 thicker and stouter, ovate, acute, finely serrate, always densely tomen- 

 tose at flowering time, becoming glabrous or glabrate only with age. 

 Farwell No. 49, August 10, 1883 from the Keweenaw Peninsula; No. 

 49c April 23, 1910 from Rochester, Nos. 3317, 3327, and 3329, May 4, 

 1913 and No. 3613, July 20, 1913, from Parkedale Farm. 



Amelanchier Botryapium (Lin. f.) Borkh. var. obovalis (Mx.) N. 

 Comb. 



