The Sources of Nectar and Pollen 389 



Red bay, Persea borbonia. Southeastern United States, April- 

 June. 

 Redbud ; see Judas Tree. 

 Red clover ; see White Clover. 

 Red-root ; see Morong. 

 Rhamnacese ; see Buckthorn family. 

 Rhododendron, Rhododendron spp. Valuable locally, Allegheny 



Mountains. 

 Rock brush ; see Eysenhardtia. 

 Rockrose, frostweed, Helianthemum spp. Pollen. 

 Rockrose family, CistaceDS ; see Rockrose. 

 Rocky Mountain bee-plant ; see Cleome. 

 Rosaceae ; see Rose family. 



Rose apple, poma rosa, Caryophyllus jambos. Tropical, of value. 

 Rose family. Rosace bb ; see Meadow Sweet, Raspberry, Blackberry, 



WUd Raspberry, Greasewood, 



Strawberry, Roses, Plum and 



Peach. 

 Roses, Rosa spp. Pollen only. 

 Royal palm, Roystonea spp. Honey 



amber. West Indies. Secretes 



heavily. 

 Rubiaceae ; see Madder family. 

 Rue family, Rutaceae ; see Citrus 



Fruits. 

 Rutaceae ; see Rue family. 



Sage brush, Artemisia californica. 

 Valuable for pollen, southern 

 California. 



Sages, Ramona spp. (Also classified 

 as Audibertia spp. and Salvia 

 spp.) Plants of California species 

 vary in size up to 10 feet. 

 April-July. Honey " water- 

 white," granulating least quickly 

 of any American honeys, flavor 

 mild and delicious. The semi- 

 arid regions of southern California Fig. 156. — Bu;tton sage. 

 in canons to 5000 feet (Richter). 



The black, ball or button sage, B. stachyoides (Fig. 156), is 

 perhaps the most important, although white sage, B. polysta- 

 chya (Fig. 157), and purple sage, B. nivea, are valuable. 

 These plants require about twenty inches of rainfall in late 

 winter followed by warm spring, free from fogs, to produce 



