200 



membranaceous; petioles slender, 2-3 cm. C^o'^^i inches) long, 

 slightly wiugeil above; corymljs glabrous or slightly villous, many- 

 flowered ; flowei-s appear in ^hn-, 1.5-2 cm. (1 .>-3j; inch) broad; stamens 

 5-20, usually 5-10; styles and nutlets usually 3 or 4; calyx- lobes lance- 

 olate-acuminate, entire; fruit rijjens in August or September, ellipsoidal 

 or pyriform, scarlet to crimson, often glaucous, 1-1.8 cm. (1.3-^4 inch) 

 thick, flesh succulent, edilile; calyx lol^es persistent, erect or spreading. 



Distribution. — Nova Scotia and Maine to southeastern Minnesota 

 and south in the mountains to North Carolina and Tennessee. 



Usually a large shrub but occasionally a small tree, sometimes 8 m. 

 (25 feet) high, with ascending l:)ranchcs. 



Specimens have been seen from the following counties: Allen (Deam) ; 

 Bartholomew (Deam) ; Clark (Deam) ; Decatur (Deam) ; Fulton (Deam); 

 Hancock (Mrs. Chas. C. Deam); Madison (Deam); Porter (Deam); 

 Randolph (Deam) ; Shelby (Mrs. Chas. C. Deam); Washington (Deam); 

 Wells (Deam); Whitley (Deam). 



Crataegus niacrosperma Ashe. var. niatura (Sargent) Eggleston. 

 Lobes of the leaves acuminate, often recurved; fruit ripens early. 



Distribution. — Known in Indiana onh' from Deam's specimen 

 No. 14187 from Wehs County. 



13. Crataegus basiliea Beadle. (Crataegus alnorum Sargent. 

 Crataegus. Edsoni Sargent). Ed.son's Thorn. Plate 89. Bark brown, 

 scaly; spines 2.5-4 cm. (1-13^2 ijifhes) long, stout, curved; leaves ovate, 

 3-7 cm. (1 14-23^ inches) long, acute at the apex, broadly cuneate 

 or truncate at base, serrate or doublj- serrate with acute lobes, dull 

 dark vellow-green above, paler beneath; corymbs glalirous, manj^ flower- 

 ed ;flowei's 15-20 mm. (5/^-7.^ inch) broad; stamens about 20; anthers 

 pink; styles and nutlets 3-5; fruit subgiobose, slightly angular, dark 

 cherry-red, 12-15 mm. (j^-^g inch) thick, flesh suc^culent; calyx lobes 

 erect or spreading. 



Distribution. — New lOngland to southern Michigan, northern 

 Indiana and Pennsylvania to mountains of North Carolina and Ten- 

 nessee. 



A broad shrub or small tree sometimes 4.5 meters (15 feet) high, 

 branches ascending. 



Specimens examined: Wells (Deam). 



II. Crataegus Jesupi Sargent. Jesup's Thorn. Tavin Moun- 

 tain Thorn. Plate. 90. Bark grayish-brown; spines stout, straight 

 2-4 cm. (34-112 inches) long; leaves elliptical-ovate, 3.5-7 cm. (13^-3 

 inches] long, 2-5.5 cm. (1-2 inches) wide, acute or acuminate at the apex, 

 broadly cuneate^ to truncate-cordate, serrate or doubly serrate, with 4 

 01' 5 pairs of acute lobes, yellow-green above, paler beneath, glabrous; 



