388 Beekeeping 



Pepper tree, Schinus Molle. Southern California, introduced. 

 Regular producer of nectar. Honey amber, strong flavor. 



Persimmon, Diospyros virginiana. Tree to 100 feet, May June, 

 eastern United States. 



Phacelia hispida and P. tanacetifolia. Of value in California. 

 Honey of P. hispida granulates quickly. Species of Phacelia 

 valued by beekeepers in Europe. 



Plantaginaceae ; see Plantain family. 



Plantain, Plantago spp. Pollen. 



Plantain family, Plantaginacese ; see Plantain. 



Pleurisy-root ; see Milkweed. 



Plums, Prunus spp. Cultivated and various wild species. Spring. 



Polygonaceae ; see Buckwheat family. 



Polygonum lapathifolium and P. punctatum are of value in Cali- 

 fornia. 



Poma rosa ; see Rose Apple. 



Poplar ; see Tulip Poplar. 



Poplars, Populus spp. Pollen. 



Poppy, Papaver spp. Pollen. 



Poppy family, Papaveraceae ; see Poppy, Prickly Poppy, Blood- 

 root and California Poppy. 



Potato family, Solanacese ; see Tobacco. 



Prickly pear ; see Cactus. 



Prickly poppy, Argemone platyceras. Texas, pollen, May-July. 



Pride of India ; see China-tree. 



Primrose family, Primulaceae ; see Loosestrife. 



Primulaceae ; see Primrose family. 



Privet, Ligustrum spp. Not important. 



Pumpkin ; see Gourd family. 



Purple medic ; see Alfalfa. 



Purple sage ; see Sage. 



Radish, Raphanus sativus. Pollen, nectar. 



Ragweed, Ambrosia elatior. Annual herb, 1-6 feet, July to frost, 



flowers in racemes, green. Throughout United States, a 



troublesome weed. An important source of pollen, yields 



no nectar. 



Ragweed family, Ambrosiacese ; see Ragweed and Cocklebur. 

 Ranunculaceae ; see Crowfoot family. 



Rape, mustard, Brassica spp. Pollen and nectar. Especially 

 ' valuable in California (B. nigra). Honey granulates rapidly. 

 Raspberry, blackberry, Rubus spp. Various species of value. 

 Raspberry ; see also Wild Raspberry. 

 Rattan vine, Berchemia scandens. Some surplus. Honey dark 



amber, April, Texas. 



