NATIVE WOODY PLANTS OF THE UNITED STATES ^77 



Padus alabamensis, see Prunus alabamensis. 



Padus australis, see Prunus australis. 



Padus caroliniana, see Prunus caroliniana. 



Padus cuthbertii, see Prunus cuthbertii. 



Padus nana, see Prunus virginiana. 



Padus demissa, see Prunus demissa. 



Padus eximia, see Prunus eximia. 



Padus melanocarpa, see Prunus demissa. 



Padus pumicea, see Prunus virginiana. 



Padus rufula, see Prunus virens. 



Padus valida, see Prunus valida. 



Padus virens, see Prunus virens. 



Padus virginiana, see Prunus virginiana. 



Palmerocassia wislizenii, see Cassia wislisenii. 



Papyrius papyrifera, see Broussonetia, papyrifera. 



Parkinsonia aculeata L. Horsebean. 



Range: 10, 11, 16, 17, 20, 30. 



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



Fruit: Legume. 



A large shrub to small or large spiny tree ; occurs in rich, sandy soils ; 

 introduced from tropical America ; generally free from pests ; resistant to saline 

 conditions ; often grown for hedges. Of local importance as an emergency 

 fodder for livestock. 



Parkinsonia, see Cercidium. 



Parosela arbor escens (Torr.) Heller. Mohave dalea. 



P. neglecta Parish, Dalea arborescens Torr., Psorodendron arborescens 

 (Torr.) Rydb. 

 Range: 10. 

 Site : Dry, sun. 

 Fruit : Legume. 

 A small, spiny shrub with slender branches ; flowers April-May. 



Parosela argyrea (Gray) Heller. 

 Dalea argyrea Gray. 

 Range: 11, 17. 

 Site: Dry, sun. 

 Fruit: Legume. 

 A small, stout shrub. 



Parosela californica, see Parosela fremontii. 



Parosela emoryi (Gray) Heller. White dalea, 



Dalea emoryi Gray, Psorothamnus emoryi (Gray) Rydb. 

 Range: 5, 10. 

 Site: Dry, sun. 

 Fruit: Legume. 



A small, densely branched shrub; flowers April-May; occurs on sandy and 

 other soils. 



Parosela formosa (Torr.) Vail. Feather peabush. 



Dalea formosa Torr. 



Range : 9, 10, 11, 14, 16, 17, 20. 



Site: Dry, sun. s^i ' 



Fruit: Legume. 



A small, much-branched shrub ; flowers April-October ; very handsome in 

 flower. 



Observations: Particularly palatable to captive deer. Of little importance 

 as forage for livestock. 



