﻿JANUARY 1 TO MARCH 31, 1917. 19 



44041 to 44056— Continued. 



44046. Pyeus heterophylla Hegel and Schinalh. 



A small tree, ultimately 20 to 30 feet high, native of Eastern Turkestan, 

 with exceedingly variable leaves of two extreme types, either oval and 

 2 to 3£ inches long, or cut back to the midrib into three to seven narrow 

 lobes, which are three-quarters of an inch to 2 inches long. The white 

 flowers, three-quarters to an inch wide, are produced in small clusters, 

 and the fruit is like an ordinary small pear. (Adapted from Bean, Trees 

 and Shrubs Hardy in the British Isles, vol. 2, pp. 284-285.) 



44047. Pyrus korshinskyi Litv. 



A tree native of Bokhara, Turkestan, 20 feet or more in height, or 

 sometimes a shrub, with coriaceous lance-shaped or ovate-oblong, coarsely 

 crenate leaves about 3 inches long, and nearly globose stout-stalked fruits 

 almost an inch in diameter, crowned by a persistent calyx. (Adapted 

 from Bailey, Standard Cyclopedia of Horticulture, vol. 5, p. 2868.) 



44048. X Pyrus malifolia Spach. 



A hybrid of unknown parentage, originally grown in Paris in 1834, 

 where it formed a tree more than 30 feet high with a rounded bushy 

 head. The leaves are oval or roundish, about 3 inches wide, occurring 

 in few-flowered corymbs. The deep-yellow fruit is turbinate and about 

 2 inches long and wide. (Adapted from Bean, Trees and Shrubs Hardy 

 m the British Isles, vol. 2, pp. 286-287.) 



44049. X Pyrus michauxii Bosc. 



A small tree, probably native of the Levant, and said to be a hybrid 

 between Pyrus amygdaliformis and P. nivalis. It has entire oval or 

 oval-oblong, shining leaves up to 3 inches long, white flow T ers in very 

 short corymbs, and globular or turbinate greenish yellow fruits. 

 (Adapted from Bean, Trees and Shrubs Hardy in the British Isles, vol. 

 2, p. 288.) 



44050. X Pyrus oblongieolia Spach. 



A small tree, occasionally 20 feet or more high, said to be a hybrid 



(between Pyrus amygdaliformis and P. nivalis, and common in Provence, 

 France. The leaves are oval or oblong, and the fruits, which are yellow- 

 ish, tinged with red on the sunny side, are about 1J inches in diameter. 

 In Provence it is known as the Gros Perrussier. (Adapted from Beam, 

 Trees and Shrubs Hardy in the British Isles, vol. 2. p. 273, under P. 

 amygdaliformAs oblongifolia. ) 



44051. Pyrus ussuriensis ovoidea Rehder. 



A Chinese tree of pyramidal habit, 30 to 50 feet high, with oval-oblong 

 sharply serrate leaves, 3 to 5 inches long; white flowers in five to seven 

 flowered racemes ; yellow, juicy, somewhat astringent, exactly egg-shaped 

 fruits, up to If inches long. In autumn the foliage turns a bright scar- 

 let, and the flowers appear a week ahead of the other species of pears. 

 (Adapted from Rehder, Proceedings of the American Academy of Arts 

 and Sciences, vol. 50, pp. 228-229, and from Bailey, Standard Cyclopedia 

 of Hoi'ticulture, vol. 5, p. 2869. ) 



44052. Pyrus pashta Bueh.-Ham. 

 A usually spiny tree from western China and the Himalayas, with 



leaves when young three lobed and doubly serrate, becoming glabrous 

 with age. The flowers, an inch wide, are mostly in woolly corymbose 



