ROSACEA. (rose FA3kIILY.) 



303 



acutely serrulate, .01 to. 03 long, .005 to .015 broad, those of sterile 

 branches often much larger. Peduncles as long as calyx ; calyx-tube * * ; 

 petals a little longer than calyx ; drupe small, ovate ; stone smoothish — 

 Spring — Mountains of Syrian Desert to Aintab, and northward. 



3. C. prostrata, Labill. 5 ^ ^^^^ often prostrate or procum- 

 bent shrub, with stiff, intricate, divaricate branches. Leaves ovate to 

 orbicular, acutely serratulate, short -petioled, canescent ieneath, .005 to. 01 

 long. Calyx-tube .003 long, .0015 broad ; drupe ovate-globular, as 

 large as a pea, somewhat grooved — Smnmer — Mountains of Galilee *, 

 alpine Lebanon, Antilebanon, Amanus, Akherdagh, and northward. 



Var. concolor, Boiss. Leaves glabrous on both sides — El-Jebel- 

 el-Abiad m the Syrian Desert. 



* * Flowers corymled, white, coming out with leaves. 



4. C. Halialeb, L. Mahleb. 5 2 to 3 ; branches numerous, 

 spreading. Leaves ovate to round-ovate, acuminate, often cordate, .03 

 to . 05 long, obtusely serrate. Drupe ovate, as large as a pea, generally 

 mucronate — Spring — Duma, (Lebanon) ; Marash, and northward. 



M^ Fig. 157. 



(1) Flower of Cerasus, cut open lengthwise showing the calyx free from the ovary, but 

 enclosing it in its tube, the stamens and petals inserted at throat of calyx-tube, and the 

 calyx-lobes reflexed. The ovary is seen to be surmounted by terminal style. (2) Drupe 

 of the same species of Cerasus. 



3. PRUIIVUS, Tourn. Plum. Khaukh. 



Drupe fleshy, indehiscent, covered with a bloom. Stone ovate, 

 flattened, wrinkled or smooth — Trees or shrubs, with convolute aestiva- 

 tion. 



1. P. spino§a, L. 5 -^ ^^^ shrub with divaricating, spiny 

 branches, the twigs glabrous or puberulent. Leaves lanceolate or ellip- 

 tical, serrate, glabrescent. 1-2-flowered; peduncles glabrous or'puberu- 

 lent; drupe erect, globular, .01 in diameter — April — Amanus, and 

 northward. 



2. P. monticola, C. Koch. 5 Petioles sometimes puberulent, 

 otherwise glabrous, unarmed or spinescent. Leaves elliptical, short- 

 acuminate serrulate, cuneate at base. Buds 2-flowered ; peduncles 

 slender, as long as fruit; drupe .015 long, ovate, obliquely mucronate 

 — Spring — Woods ; Antilebanon, Cassius, Amanus, and northward. 



3. P. ur§ina, Ky. Khaulh-ed-Dib. Braqruq. 4 to 8, straggling. 

 Branches erect, tortuous, somewhat spinescent ; twigs velvety. Leaves 

 orbicular, ovate, and elliptical to oblong, .02 to .03 long, .015 to .03 

 broad, crenate, rounded or acute at base, velvety below. Buds usually 

 2-flowered, but generally maturing only one fruit ; peduncles short, 



