250 JOURNAL OF THE ARNOLD ARBORETl'M [vol. i 



Leaves broad-obovato, 1-2 cm. long; flowers usually solitary; stamens 20; anthers 

 dark rose eolor; a shrub rarely 2 m. hi^h, with conspicuously zigzag branchlets 



covered with spines C monantha. 



Leaves hoary tomentose b.'low earlj' in the season, becoming villose with rufous 

 hairs most abundant on the midrib and veins; stamens 20; anthers deep rose 

 color. 



Leaves oblong-obovate, acute or broad and rounded at apex, often slightly lobed 

 above the middle, lustrous above; pi'dieels villose-pubescent , . . C, rufula. 



Leaves elliptic to oblong-cuneiform, narrowed at apex, dull above; pedicels 

 glabrous C, opaca. 



Crataegus aestivalis Sargent (not Torrcy & Gray). — Mespilus aestivalis 

 Walter, Fl. Car. 148, 1788. — ? Crataegus lucida Elliott, Sketch, i. 548 

 (18^21). 



Leaves oblong-obovate, rounded or acute at apex, cuneate at base, 

 coarsely serrate alcove the middle with glandular teclli, furnished below 

 with small tufts of axillary hairs, otherwise glabrous, dark green and lus- 

 trous above, yellow-green below, 3-5 cm. long, 1-2 cm. wide, short-petio- 

 late, at tlie ends of vigorous shoots often laterally lobed. Fh)Avers 2 cm. in 

 diameter, in 2- or S-fhmered corym]>s; cjdyx-tube narrowly obconic, gla- 

 brous, the lo})es short, acute, glabrous, eglandular; stamens 15-20; anthers 

 pink or j)ale rose color; styles usually 3. Fruit on a short erect pedicel, 

 usually Solitary', short-oblong, 8 -lU mm, long, the calyx persistent with 

 erect lubes. 



A tree 7 or 8 m. high, with a tall stem 15-20 cm. in diameter, covered 

 with pale flaky bark, erect or slightly spreading branches, and slender 

 branchlets ciicstnul-brown and lustrous in their first year, becoming dull 

 gray-brown the foHowing year, and armed with stout spines 1.5-3 cm. in 

 length. 



Georgia : Eflhigham County, banks of the O^eechce River near Meldrim, T. G. 

 Harbison, April VI and May 27, 191G; Lowndes County, near VaKlosta, M. A. 

 Iluger, INIarch, 11)1 k 



SouTU Carotjna: Hampton County, swamps on the Combaliee River, near 

 \emassee, T, G. Harbison, March 15, lOKi; Aiken County, near Aiken, //. W. 

 Ravenely Miireh 18, 1880. 



North Carolina : Craven County, near New Rem, T, G, Harbison, April 20, 1919, 



Crataegus aestivalis var. maloides, n, var. — Crataegus maloides Sargent, 

 Trees and Shrubs, i. 9, t. 5 (1902). 



Differing from the type in the hairs on the upper side of the midrib of the 

 leaves, in the shape of the leaves on the end of vigorous shoots, sometimes 



broad-obovate, rounded and often 3-lobcd at apex, in the longer acuminate 

 calyx -lobes villose on tlie inner surface, and in the dark rose-colored anthers. 



Florida: wet ]>rairies, near Seville, Volusia County, A. II. Curliss, March, June 

 and July, 1900 (No. (>ti79.) 



Crataegus aestivalis var. cerasoides, n, var. — Crataegus cerasoides Sar- 

 gent, Trt^es and Shrubs, ii. 237 (1913), 



Differing from the type in the short white hairs on the upper surface of 

 the young leaves, tlie longer acuminate calyxdobes sliglitly villose on the 

 inner surface, and often minutely serrate near the middle, the dark rose- 



