ROSACE AE 175 



the time of unfolding, later bright green; petiole channeled above, at 

 first pubescent, 1-3 cm. long. Flowers 3-7 in a fascicle, white or pink, 

 fragrant, 3.5-4 cm. in diameter; calyx acute or acuminate, pedicel and 

 calyx tube reddish-purple; petals 15-18 mm. long, ovate-obtuse; stamens 

 usually 20; styles 3, rarely 4. Fruit globose, apex marked by calyx scar, 

 8-12 mm. in diameter, greenish yellow, tinged with red, mostly 3 celled. 

 Seeds triangular, ovate, about 5 mm. long. 



Chekiang, Kiangsu, Hupeh, Shensi, Szechuan, Yunnan south to 

 Assam. Closely related to Malus halHana. A very handsome species 

 with pink or white, fragrant flowers on showy red pedicels. 



CRATAEGUS 



Deciduous shrubs or small trees, usually spiny. Winter buds small, 

 globose with numerous imbricated scales. Leaves alternate, simple, 

 serrate or lobed or deeply pinnatifid, especially on vigorous or sterile 

 leading branches, with petioles and stipules. Flowers usually white, in 

 some varieties pink or reddish, in terminal corymbs, with deciduous 

 bracts; petals 5; calyx lobes 5, campanulate or cup-shaped, adnatetothe 

 carpels; stamens usually 10 or 20, but sometimes 5-25, ovary composed 

 of 1-5 carpels, inferior, or its apex free; styles free, 1-5, persistent on 

 the mature carpels; ovules 1 in each carpel, or if 2, dissimilar, that is, 

 one sessile and fertile, the other stalked and sterile. Fruit a pome with 

 1-5, 1-seeded bony nutlets or stones. 



A very large genus, over 600 species having been described, widely 

 distributed throughout the temperate zone but most abundant in the 

 United States of America. Very many species are cultivated as 

 ornamental subjects. They are mostly shrubs or small trees with hand- 

 some foliage not subject to insect attacks and have usually showy 

 flowers. In China one species is cultivated for its fruits. 



Crataegus pinnatifida Bunge. 

 Large Fruited Haw. 



Shrub or small tree up to 20 m. tall. Branchlets glabrous. Leaves 

 elliptic-ovate, pinnately 5-9 cleft or lobed, serrate, cuneate at the base, 

 dark shiny green above, glabrous beneath, about 6 cm. long with slender 

 petioles. Flowers white, long pedicelled in few-flowered cymes. Fruit 

 globose or pear shaped, with persistent calyx teeth, dark red, spotted, 

 12-20 mm. long; nutlets 3-5. 



