126 
Amygdalese. 
29. Amygdaleae (Stone-fruit). 
161. Amygdalus. Amygdalus. XII, 15. 
1. Petiole as long as, or longer than, the breadth of the leaf. 
Drupe not succulent, splitting irregularly when ripe. 
— Hills; W. (Saillon, Montorge). 3 communis L. 615. 
— Petiole not half as long as the breadth of the leaf. 
Drupe succulent, indehisc. Comp, the genus Persica. 
162. Persica. Peach. XII, 15. 
1. Comp, the last! Amygdalus Persica L.—Cultivated in 
the gardens and vineyards of warm districts. 3, 4 
t vulgaris Mill. 616. 
163. Prunus. Priinus. XII, 15. 
1. FIs almost sessile. Fr. velvety-tomentose (rarely varied 
to glabr.). Ls oval-cordate. Apricot. 3, the earliest of 
all fruits.f Armeniaca L. 617. 
— FIs distinctly peduncled. Fr. glabrous ... 2 
2. FIs solitary or geminate. Fr. pruinose . . 3 
— FIs in umbel-like fascicles, racemes or corymbs con¬ 
taining 3—several fls. Fr. not pruinose . . 5 
3. Peduncles entirely glabr. Fr. erect, globular, 6—10 mm. 
A prickly shrub with spreading branches. Black thorn. 
—b. fruticans Weihe. Shrub less prickly. Fr. larger.— 
Hedges; thickets; everywhere. 4 . . spinosa L. 618. 
— Peduncles pubescent. Fr. pendant, larger . . 4 
4. Young branches pubescent. Pets orbicular, pure white. 
Fr. globular. Plum.—b. italica Borkh. Ls almost glabr. 
Fr. with hard flesh (Greengage).—"Wooded hills, spon¬ 
taneous or subspontaneous; cultivated everywhere in 
many varieties. 4 . . . . insititia L. 619. 
— Young branches glabr., thinner than in the last. Pets 
longish, of a slightly greenish white. Fr. oblong. Damask- 
plum. 4 . . . . • - f domestica L. 620. 
5 (2). Fls in 2—several-fld umbel-like fascicles, appearing 
about the same time as the ls or a little earlier 3 
— Fls in racemes or corymbs, appearing after the ls 7 
6. Ls thin, rather wrinkled, hairy underneath. Petioles 
with 1 or 2 glands, at the top. Sweet-cherry. —Cultivated 
forms are: b . Juliana Dec. Black-heart cherry; c. dura- 
cina Dec. White-heart cherry.—Woods. 4 avium L, 621. 
— Ls rather hard, smooth, glabr., shining. Glands on the 
petioles 0 or mounting to the lower teeth of the ls. 
Shrubs or small trees with slender, spreading or droop¬ 
ing branches. Bitter cherry.—Cultivated forms : b. austera 
Ehrh ., Morelle; c. acida Ehrh.\ d. aproniana Schuhl. Mart. 
