174 BRITISH BOTANY. 



In hedges and woods. Tree ; flowers in May ; fruits in August. 

 P. avium, L. Wild Cherry. — e.b. 706. l.b.s. 316.^ 



A. 16. C. 60. Lat. 50-58°. Alt. 0-150 yds. Tern. 51-46°. 



A tree 30-40 feet in height, or more, with the epidermis (outer 

 bark) often peeling off in circular zones ; in old trees the bark is 

 very rough ; branches spreading, never pendulous, the whole form- 

 ing a round head. Leaves obovate or obovate-oblong, glandular, 

 usually downy below, in tufts, with longer leaf-stalks than those 

 in P. Cerasus. Flowers on very long pedicels (2 inches), 3-5 in 

 each umbel. Petals flaccid, scarcely spreading (Bromfield) . Ovary 

 turbinate, ribbed, with a somewhat longer neck than in P. Cerasus. 

 Fruit roundish or round, and sub-cordate at the base. Nucleus 

 (nut) round and smooth. 



Woods. Tree ; flowers in May, and is in fruit in July. 



Var. a. sylvestris . — Fruit round, black, about the size of a pea, 

 bitter and acid. 



Var. /3. Juliana. Gean. — Fruit larger than in variety a, red or 

 black, juicy, sweet with some acidit3^ 



Note. — The petals in P. avium are larger than they are in P. 

 Cerasus, and the scales of the leaf and flower-buds never be- 

 come leaves as they partly do in the Cherry-tree. The distance of 

 the glands from the base of the leaf is greater than in the above. 



P. Cerasus,'^ L. Cherry. — e.b.s. 2863. l.b.s. 316. 

 A. 8. C. ? Lat. 50-55°. Alt. 0-200 yds. Tern. 51-47°. 



Shrub or tree, with more or less spreading branches, which are 

 often slender and pendulous. Leaves obovate-round or obvate- 

 oblong, shortly and abruptly acuminate, doubly toothed, glabrous 

 and wrinkled, stalked. Flowers 3-4 together in umbellate clus- 

 ters, on lonff erect pedicels. Segments of the calyx reflexed. 



Woods and hedges. Tree ; flowers April-May ; bears fruit in 

 June and July. 



C. austera, Leighton's ' Flora of Shropshire,' is a synonym of 

 the above. 



ROSACEA, Juss. (in part). The Rose Family. 



Annual or perennial herbaceous plants or shrubs, the latter 

 often prickly, usually producing an astringent watery sap. Leaves 



* There is much vahiable matter on these ill-defined species in Dr. Bromfield's 

 excellent ' Floi'a Vectensis.' 



