158 Rhodora [JULY 
July, 1908, C. K. Dodge, no. 72: St. Clair Co. Port Huron, woods and 
river bank, May, 1838, D. Houghton: Ingham Co. near Lansing, 
May & August, 1887, L. H. Bailey: Wayne Co. vicinity of Linden 
Park, Detroit, 1893, Farwell, no. 53: Gratiot Co. river banks, Alma, 
July, 1893, C. A. Davis. INDIANA:— Porter Co. Dune Park, 1903, 
Agnes Chase, no. 2053. ILLINors: — Cook Co., Evanston, P. Price. 
Wisconsin: — Racine or Kenosha Cos. May, 1900, S. C. Wadmond: 
Jefferson Co. woods, Jefferson Junct., July, 1903, H. Eggert. Mis- 
SOURI: — Iron Co. Pilot Knob, July, 1888, L. H. Pammel. Kansas: 
— Cherokee Co. rocky woods, 1897, A. S. Hitchcock. 
Forma NITIDA. 
NEWFOUNDLAND: — St. John's, August, 1911, Fernald & Wiegand, 
no. 5567: Glenwood, July, 1911, Fernald & Wiegand, nos. 5528, 
5638: Bishop’s Falls, July, 1911, Fernald & Wiegand, nos. 5592, 
5593: Grand Falls, August, 1911, Fernald & Wiegand, nos. 5548, 
5601: Rushy Pond, August, 1911, Fernald & Wiegand, no. 5542. 
8. A. Barrramrana (Tausch) Roemer. 
Mespilus canadensis 8 oligocarpa Michx. Fl. Bor. Am. p. 291 (1803). 
Pyrus Bartramiana Tausch, Flora xxi. 2, p. 715 (1838). A. canadensis 
é oligocarpa T. & G. Fl. N. A. i. p. 474 (1840); Gray, Man. ed. 1-5. 
A. oligocarpa Roem. Fam. Nat. Syn. Rosif. p. 145 (1847); Gray, 
Man. ed. 6, p. 167 (1889); Brit. & Brown Ill. Fl. ii. p. 239 (1897); 
Brit. Man. p. 518 (1901); Robinson & Fernald in Gray's Man. ed. 7, 
p. 460 (1908). A. Bartramiana Roem. Syn. Rosif. p. 145 (1847). 
A. arguta Nutt. in Brit. Man. ed. 3, p. 1076 (1907). 
Shrub, 0.5-2.5 m. high; stems several together, loosely cespitose- 
fastigiate (alder-like): leaves thin or firm, elliptical, varying to elliptic- 
oval or elliptic-oblong (average blade 3-5 (7) em. long, by 15-30 (40) 
mm. wide); apex from rounded to very acute; base more or less 
acuminate; margin sharply, often doubly, serrate to below the middle 
or nearly to the base; teeth very variable, fine, usually abruptly and 
obliquely acuminate from a broad base, rarely muticous, the point 
strongly ascending, sinus usually sharp, sometimes rounded (6-12 
teeth per cm.; 17-52 teeth on each side, or 4-15 on each side of leaves 
at ends of shoots); not conduplicate when young but flat or revolute, 
glabrous from the first except the slightly silky petioles, half-grown 
at flowering time, at maturity slightly glaucous; mid-rib unusually 
broad and conspicuous on the upper side; veins indistinct, very 
irregular, the primary pairs 12-17, irregularly distant, with shorter 
ones between, often crowded, sinuous, gradually and irregularly 
curved upward, anastomosing and indistinct in the outer third, the 
uppermost widely spreading; petioles stout and very short, 2-7 (10) 
mm. long: flowers 1-2, rarely 3, on each branchlet, one terminal, with 
others in the axils of the upper foliage leaves: pedicels glabrous, 10-25 
