ROSACEA 



321 



476. Pnmus Persica. 



beneath, rather blunt-toothed : flower-clusters short, forking, the pedicels 

 strong and long:: fruit large and firm, dark colored, with sunken akenes 

 Chile. 



3. PRtJNUS. Peach. Plum. Cheery. 



Trees and shrubs, mostly flowering in early 



spring: sepals, petals and stamens home on the rim 



of a saucer-shaped torus, the calyx with 5 green 



spreading lobes and the petaN ." and obovate: pis- 

 til 1. sitting in the bottom of the flower, the ovary ripen- 

 ing into a drupe: leaves alternate. 



a. Peach and apricot: flowers solitary from lateral win- 

 ter buds, usually appearing befort (hi leaves. 

 P. Persica, Sieb. & Zucc. Peach. Pig. 176. Small 

 tree, with oblong-lanceolate pointed serrate leaves and -"1 

 itary fuzz; fruits on lasl year's wood. China. The i 

 tarine is a smooth-fruited form. 



P. Armeniaca, Linn. A/Tin,/. Fig. 1 77. Leaves ovate 

 to round-ovate, serrate: fruits solitary, on last year's she<>t> or on Bpurs, 

 smooth or aearly so. < !hina. 



aa. Plums: flowers in umbel-liki clusters: fruit /<//;/. and smooth, usually 

 with a distinct sutun for "crease "J on oni sid< and covered with " 



/,/,,,,; ," //,, stalk short. 



P. domestica, Linn. Common plum. Pigs. 194,262. Small tree, usually 

 with young shoots downy : leaves thick and relatively large, dull dark green, 

 ovate, oval or obovate, vers rugose or veiny, somewhat pubescent beneath, 

 coarsely ami unevenly Berrate: Hewer-- large: fruits various, usually thick- 

 meated and with heavy "bloom." Europe, Asia. 



P. Americana, Marsh, Wild plum of the North. Pig. 178. Twiggy 

 small tree, often thorny, the young Bhoots usually not down] : leavi - obo- 



477. Primus 

 Armeniaca. 



its. Prunus Americana. I Prunus aagu 



- en, abruptly pointed, coarsel] toothed or jagged, noi pubescent 

 beneath: fruit -mall, red or yellow, tougli skinned and glaucous, tin- pit 

 In i je and flatt< n< d. ' ommon In thick* t lmpro< i il foi m an In cultivation. 



U 



