REPORT OF THE STATE P.OTANIST I907 "Jj 



2 NUTLETS WITH LONGITUDINAL CAVITIES ON THE 



VENTRAL FACES 



X T03IENT0SAE 



Fruit pyriforni to subglobose or short-oblong, 1-1.5 cm in diam- 

 eter, lustrous, orange or scarlet; nutlets 2 or 3, usually obtuse at 

 the ends and prominently ridged on the back. 



Leaves thin, with midribs and veins only slightly impressed on 

 their upper surface ; fruit obovate to short-oblong. 



Stamens 20 



Anthers yellow i C . s t r u c t i 1 i s 



Anthers pink 2 C . f i n i t i m a 



Stamens 10; anthers yellow 3 C. v e n u s t u 1 a 



Leaves thick to subcoriaceous or coriaceous on vigorous shoots, 

 with midribs and veins deeply impressed on their upper surface ; 

 fruit subglobose to short-oblong or ovate, scarlet. 



Stamens 20 

 Anthers pink; leaves nearly glabrous at maturity; pedicels slender 

 Leaves ovate to obovate; flowers 1-1.2 cm in diameter, on slightly 



villose pedicels 4 C. succulenta 



Leaves oblong-ovate to oval, 1.6-1.8 cm in diameter, on densely 



villose pedicels 5 C. admiranda 



Anthers rose color; leaves rhombic to oval or ovate, pubescent below 



at maturity; flowers on stout densely villose pedicels 



6 C. c a 1 V i n i 



Stamens 10; anthers yellow 



Leaves rhombic to oval or obovate; flowers on short pedicels, in 

 compact corym])S ; calyx-lobes densely villose on the inner surface ; 

 fruit at least 1.2 cm in diameter, in drooping clusters; spines stout, 



nearly straight 7 C. ferentaria 



Leaves broadly obovate to elliptic; flowers on long slender pedicels, 

 in wide corymbs; calyx-lobes only slightly villcse on the inmr sur- 

 face; fruit only 7-8 mm in diameter, in erect clusters; spines long, 

 slender, usually curved 8 C . m a c r a c a n t h a 



Crataegus structilis Ashe 



Jour. Elisha Mitchell Sci. Soc. XIX. 12 (r903). Grubcr, r.iicks County 

 (Pcnn.) Nal. Sci. Club I'roc. I. .3. Sarguit, .\ca<l. Sci. Phila. Vroc. (>5() 

 (1905). 



Seneca park, Rochester, B. 11. Slavin, 1906; also in eastern Tenn- 

 sylvania and in Ontario and southern Michigan. 



