PRUNUS 



but tl V\ e t e 1 1 le fru te 1 torn are fo 1 n abun 

 i e I 1 t prol tic ource of c It ate 1 nat i 



PI f 1 11 North 



\ ir nigra \\ u h (P Jj n A ton) Canada Plum 

 F I b L uo th broad r the peti les 1 e r e, 

 gl is near the top fls larger on slender lark 

 pe 1 eels the calyx lobes glandular 

 glal rous on the ins de £r niostl) 

 ol longandonnge re 1 the tone lar 



A r 1 1/1 



tie 1 It theie i 



it 1 e t u It has g ven re e 



of the 1 e t tr 1 ear ng va let es such the Ch 



\ ir mfillis Torrey t Cray Lts a 1 shoot 

 puljesceut or sometimes alm< 



Texas. -To this form belong the Wolf and Van Buren 

 Plums. There is also a double-Hd. variety. 



1449 



shape The foliage sugKe^ts P ten 

 recenth described, P. mjucunda, h 



flolii 1' timh 



CC. Ta: 





atlil P. m,n;luH„ i h, „.„ll, „l 

 thick-ski,,,,., I. 



11. Allegheniensia, Porter. Allegheny Plum. Fig, 

 l!ts:t. Tree 1:^-1.") ft., or oftener a straggling bush, i 

 ally not thorny, the young growth reddish and glabrous: 

 Ivs. lance-ovate to elliptic-obovate, prominently acumi- 

 nate, sharply fine-serrate, pubescent on the veins be- 

 neath but becoming glabrous with age: fls. small {% in. 

 across), white, in clusters of 2-5, appearing with the 

 Ivs., the calyx minutely pubescent, the petals round- 

 obovate: fr. globular, " =-« in. or less in diam., dark 

 purple with a heavy bloom, acid in Havor and often aus- 

 tere. Mts. of Pa. S.S. 4:153. G.F. 3:429, from which 

 Pig. 1983 is reduced. — In a very limited way the species 

 has come into botanic gardens and collections. As an 

 ornamental sub.iect it has merit, for it bears profusely 

 of flowers and fruit. The Plums, or "sloes," are collected 

 from the wild for the making of pies and preserves. 



12. umbellMa, Ell. BLArK Sloe of the South. Hon 

 PLU.M (this name is also applied to forms of P. Ameri- 

 ca „ii and P. rjracihs). Twiggy small tree ( 10-20 ft. ) , with 

 very slender glabrous branelilVts: h s. small (2 in. or less 

 long), light green aii.l i itli. i tliin. oblong, oblong- 

 ovate, oblong obov;itt .i ^ iimIiiim^ broadly elliptic- 



very closely pubescent li. n. itli (\.n at inaturit> : fls. 

 small to medium in size, m tew flowered umbels, appear- 

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

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

 red-blotched, thinly glaucous, the flesh usually sour 



1982. Prunus A 



■y/// 



13. mantima, Wangh. Beach Plum. Fig. 1984. De- 

 cumbent straggling more or less thorny •bush with rough 

 and warty branches and slightly pubescent young 

 growth: Ivs. oval or obovate-oval, short-acute or nearly 

 obtuse, closeh serr.itp dull lthho often somewhat 



1983. Prunus Allegheniensis ( 



and bitter and free from the stone. Near the coast 

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

 fruit-plant, but sometimes planted for the profusion of 

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



ends), with I s|i_|ii ,\ 

 dull purple wlicn n| • i 

 the flesh brittle .umI m 

 from the small, Tin„i- 

 pointed at both t n^Ni 

 or less acrid. Sands ot 

 Virginia; also at the In 

 (bush in bloom).— Th.- 

 strong shoots stand upi i 

 times even 10-12 ft. P. 

 cultivation because of 

 spring bloom, and the 

 ornamental. As a fruit 

 Bassett American, whic 

 popular because nt its - 

 variable, and no 'h hI t 

 be distinguished "i • II" 

 Species related t" I'. 

 are P. Grivesii, Small, i 

 obtuse and often api( 



111 the variety 

 i) I iM \er become 

 I , The species is very 

 lii.tanical varieties could 

 I il forms are known. 

 ,1111. but not in the trade, 

 ticut, with orbicular very 

 . and stone pointed only at 



base. P. grdcilia, Engelm. & Gray, Tenn. to Kans, and 

 Tex. , a shrub not more than 4 or 5 ft. tall, soft-pubescent, 

 with small, oval-lanceolate Ivs. and very small nearly 



