Genus 6. 



APPLE FAMILY, 



24. Crataegus Macauleyae Sargent. 



Miss Macauley's Thorn. Fig. 2358. 



Crataegus Macauleyae Sarg. Proc. Roch. Acad. 

 Sci. 4: 130. 1903. 



A round-topped tree, sometimes 20° 

 high, with somewhat pendulous branches. 

 Leaves ovate to oval, i2'-2l' long, i:r-2' 

 wide, acute, broadly cuneate or rounded at 

 the base, doubly serrate or lobed, dark 

 yellow-green and shining above, membra- 

 nous, glabrous ; corymbs many-flowered, 

 glabrous; flowers 8"-9" broad; calyx-lobes 

 glabrous or pubescent on the inside, lanceo- 

 late, acuminate ; stamens about 20 ; anthers 

 yellow, small ; styles and nutlets 4 or 5 ; 

 fruit subglobose to short-ellipsoid, dark 

 crimson, 5" or 6" thick, the calyx-tube 

 prominent ; flesh thin, yellow, dry. 



Central and western New York. May ; fruit 

 ripe October. 



25. Crataegus Bicknelli Eggleston. Bicknell's Thorn. Fig. 2359. 



Crataegus rotundifolia var. Bicknellii Eggl. Rhodora lo : 



yg. 1908. 

 Crataegus Bicknellii Eggl. Bull. Torr. Club 38: 244. 1911. 



A round-topped shrubby tree, not more than 10° 

 high with numerous stout spines i'-2¥ long. Leaves 

 ovate or oblong-ovate, li'-j' long, ii'-2l' wide, acute 

 at the apex, broadly cuneate or rounded at the base, 

 sharply doubly serrate with acute lobes towards the 

 apex, dark green and shining atjove, paler and glabrous 

 beneath; corymbs glabrous; flowers 8" or 9" broad; 

 stamens about 10; anthers light purple; siyles and nut- 

 lets 4 or 5 ; calyx-lobes long-acuminate, laciniate; fruit 

 globose, red, about s" thick; calyx-lobes reflexed, per- 

 sistent, conspicuously lobed ; flesh soft at maturity. 



Nantucket Island, Massachusetts. June ; fruit ripe Sep- 

 tember. 



26. Crataegus Oakesiana Eggleston. Oakes' 

 Thorn. Fig. 2360. 



C. Oakesiana Eggl. Torreya 7: 35. Feb. 1907. 



A round-topped shrub or tree, sometimes 20° high. 

 Spines numerous, f'-ii' long. Leaves ovate to broadly 

 ovate, acute or acuminate at the apex, gradually or 

 abruptly cuneate at the base, doubly serrate towards the 

 apex, i'-2f' long, i'-2i' wide, slightly pubescent above, 

 becoming glabrate, paler and glabrous beneath; corymbs 

 slightly villous ; flowers about 10" broad ; calyx villous, 

 its lobes glabrous outside ; stamens about 20, anthers 

 yellow; styles and nutlets 3-5; fruit pyriform-ellipsoid, 

 slightly angular, yellowish-red, about 10" thick, calyx- 

 lobes deciduous; flesh soft, mealy, light yellow. 



Locally common along the Connecticut River in Essex 

 Co., Vermont. May ; fruit ripe August. 



