204 MISC. PUBLICATION 303, U. S. DEPT. OF AGRICULTURE 



casts a heavy shade ; coppices vigorously after fire ; tolerant of alkali ; drought 



resistant ; will withstand considerable abuse in handling ; 240 seeds per pound. 



Observations: Hairy woodpecker; eaten by songbirds; California mule deer. 



Prtmus incana, see Prunus pumila. 

 Prunus injucunda, see Prunus mitis. 

 Prunus integrifolia, see Prunus lyonii. 



Prunus lanata (Sudw.) Mack and Bush. Wild plum. 



P. americana lanata Sudw., P. palmeri Sarg. 

 Range : 22, 25, 29, 30. 

 Site: Dry, well-drained, sun. 

 Fruit : Drupe, available July-October. 



A large shrub to small tree; thicket forming, suckering; 16 named varieties 

 known. 



Prunus lyonii (Eastw.) Sarg. (pi. 27, A). Catalina cherry. 



P. ilicifolia integrifolia Sudw., P. integrifolia Sarg., not Walp., P. ilicifolia 

 occidentalis Brandeg. 

 Range : 5. 



Site: Dry, well-drained, sun. 

 Fruit: Drupe, available August-September. 



A large shrub to small or large tree ; evergreen ; flowers March-June ; more 

 robust and rapid growing than P. ilicifolia, even when planted on the mainland ; 

 drought resistant. 



Observations: Fruit much sought after by birds which commonly eat off the 

 flesh and leave the seed hanging on the bush. 



Prunus mahaleb L. Mahaleb cherry. 



Cerasus mahaleb (L.) Mill. 

 Range : 22, 25, 27, 28. 

 Site : Dry, well-drained, sun. 

 Fruit: Drupe, available in July. 



A large shrub to small tree ; flowers April-May ; introduced from Europe and 

 more or less naturalized in the regions indicated. 



Prunus maritima Wang. (pi. 25, C). Beach phim, 



P. pygmaea Willd., P. sphaerocarpa Michx., P. acuminata Michx., P. 

 sphaerica Willd., P. pubescens Pursh, P. littoralis Bigel., P. pubigera 

 Steud. 



Range : 26, 27, 28, 29. 

 Site : Dry, well-drained, sun. 

 Fruit : Drupe, available August-March. 



A small to large, straggling shrub ; flowers April-May ; lower branches often 

 decumbent or prostrate ; more or less thorny ; occurs only on sandy soils but 

 will grow on clay. 

 Stomach records: Starling. 



Prunus melanocarpa, see Prunus demissa. 



Prunus mexicana Wats. Mexican plum. 



P. australis Muns., P. reticulata Sarg., P. tenuifolia Sarg., P. polyandra 

 Sarg., P. arkansana Sarg. 

 Range : 19, 20, 22, 25, 29, 30. 

 Site : Dry, well-drained, moist, sun. 

 Fruit: Drupe, available September-November. 



A small to large tree ; flowers in March ; does not sucker or form thickets ; 

 somewhat drought resistant ; occasionally injured by frost ; has been success- 

 fully used as grafting stock ; numerous varieties occur within the range of the 

 species. 

 Var. fultonensis Sarg. (P. fultonensis Sarg.), has fruits which ripen in June. 



Prunus minutinora Engelm. Texas almond. 



Cerasus minutiflora (Engelm.) Gray, Amygdalus minutiflora (Engelm.) 

 Wight. 



Range : 11, 16, 17, 20. 

 Site: Dry, sun. 

 Fruit: Drupe. 



