PRUNUS 



but in the West e 1 1 le f te i for us are found n al n 

 dance. It is tbe mo t pro! tic source of cult vated uat i 

 Plums for the cold North 



Var. nigra, Waugh (f Igra A ton) Canada Plum 

 Fig. 1982. Lvs. mo tly broader the pet les bear «• 

 glands near the top fls larger on 1 der lark 

 pedicels, the calyx lol es gland 1 errat an '. 

 glabrous on the n 1 Ir mo 1 o ewhal 

 oblongand orange re 1 tbe tone 1 a 1 mucl 



compressed. Newf ndla 1 to A n 1 o a anc 

 in New England, and p obal ly le en 1 g nt( 

 the northern Miss pi valley b S 4 149 - 

 A more showy tree tl an P -i a 1 loom 



ing earlier, and i ts extr ne fo us appear ng 

 to be very distinct but there are all grade 

 intermediate forms It ha g en r e to some 

 of the best fruit-bear ng var eties such as the Cheni 



Var. m6Ili8, Torre v & Cray Lvs and shoot c 

 pubescent or soi et me al uost tomento 

 Texas. -To this form belong the Wolf an 

 Plums. There is also a double Hd var et 



cc. Lr 



thick: 



i lark 



d often a & 

 from wh ch 



11. Allegheniensis Porter A 

 198.S. Tree 12-15 ft or oftene 

 ally not thorny, the ouni, gro tl 

 lvs. lance-ovate to ell pt c obo 

 nate, sharply flue serrate p 1 

 neath but becoming glabrous \\ 1 

 across), white, in clust rs of 

 lvs., the calyx m n tel i 1 

 obovate: fr. globul r 

 purple with a heavj 1 1 

 tere. Mts. of Pa '^ 1 

 Fig. 1983 is reduce 1-1 I 

 has come into bot n c gar 1 

 ornamental subject t has 

 of flowers and f ni t Tl e PI 

 from the wild for the n ak ni, i 1 es 



12. umbeliata. Til Black "^l t I e so b Hon 

 Pn-M (llii-i Ti;iiiii- 1 appl ed to forms ot P A e 

 C0H« aii.l /'..„■./. iV Tn ggv snail tree (lO-'O ft ) w th 

 verysIi-na«T(,'l.ib lr nchlets 1 s sn 11 C n or less 

 long), light green and rather thm, oblong, oblong- 

 ovate, oblong obovate, or sometimes broadly elliptic- 

 ovate, obtuse or nearly so, closely serrulate, sometimes 

 very closely pubescent beneath even at maturity: fls. 

 small to medium in size, in f«w-flowered umbels, appear- 

 ing with or just before the lvs.: fr. small, globular, 

 slender-stalked, from pure yellow to orange-yellow and 

 red-blotched, thinly glaucous, the flesh usually sour 



and bitter and free from the stone. Near the const 

 from S. Car. to Tex. S.S. 4:155.-Not introduced as a 

 fruit-plant, but sometimes planted for the profusion of 

 its white flowers. The fruit is not unlike a Cherry in 



hape The f 1 age sugge t P ct 

 recentl le cr 1 e i P injucunda 

 Mounta n C a and not n the t 

 fromP 



, Wangh. Hn I 1 1 ^4 l)e 



cumbent straggling more II 111 



and warty branches an 1 I g 



growth : lvs. oval or obov I o a 1 



obtuse, closely serrate, 1 1 a 



pubescent beneath: fls. s 1 f v 



flowered umbels precedii 1 



diam., depresscd-globula 1 1 u 



ends), with a slight cavit I 1 | 



dull purple when ripe and 1 1 11 



tlic flesh brittle and mostl s 1 i a 1 frc 



I'min the small, turgid, cl orrj 1 ke to e ( 1 ch s 

 ]Hiii]i...l at both ends), tl e k n tl k t t,l an i n ore 

 ur less acrid. Sands of tl c lore Ne Br n w ck to 

 Virginia: also at the head of Lake M cl ga Cig4 7 

 (bush in bloom). — Then n ste are lee lent aid 

 strong shoots stand uprigl t to a he "'I t f fft or ome 



of 



:,r. F, Gr.ivesii. Small, Co 

 obtuse and often apiculat< 1 

 base. P. gricUis, Engeli 

 Tex., a shrub not moreth, 

 with small, oval-lanceola 



