The Sources of Nectar and Pollen 
379 
favorable conditions both species are heavy yielders, but they 
are, nevertheless, not of primary importance. 
Clethraceae ; see White Alder family. 
Clover; see Sweet Clover, White Clover, Alsike Clover, Crimson 
Clover, Bush Clovers and Alfileria. 
Cocklebur, Xanthium pennsylvanicum. Pollen in Autumn. 
Cocoanut palm, Cocos nucifera. Honey amber, of secondary im¬ 
portance, West Indies. 
Coffee berry, Rhamnus cahfornica. Honey amber, April—May. 
Foothills of Sierra Nevada Mountains. 
Coffee berry; see also Buck¬ 
thorn. 
Composite; see Thistle family. 
Coral-berry ; see Indian Cur¬ 
rant. 
Corculum; see Antigonon 
leptopus. 
Coreopsis ; see Spanish Needle. 
Corn, Zea mays. Pollen. Re¬ 
ported as sometimes yield¬ 
ing nectar from the tassels. 
Cornaceae; see Dogwood 
family. 
Cotton, Gossypium hirsutum 
(Fig. 150). Cultivated, 
southern States. June- 
August. Increasing in 
importance. Extra-floral 
nectaries on leaves and 
bracts. 
Cowpea, Vigna sinensis. 
Honey light, of poor flavor. Bees get nectar from extra-floral 
nectaries. 
Creeping thyme, Thymus Serpyllum. Perennial herb, branched, 
creeping, forming dense mats, flowers in clusters. Honey 
probably amber, flavor not as good as that of many other 
honeys. In thickets and waste places south to Pennsylvania. 
June-September. Native of Europe. From a plant of this 
genus the celobratod honey of the ancient Greeks was pro¬ 
duced, especially on Mount Hymettus. 
Crimson clover, Trifolium incarnatum. Annual erect, 6-30 inches, 
flowers crimson in long heads. Honey quite like that of 
white clover. Cultivated for hay and in waste places. Na¬ 
tive of Europe. Blooms somewhat earlier than the other 
clovers. 
Fio. 150. — -Cotton. 
