PASTURAGE. 393 
of the common kind, the Alsclepias Sullivantii, does not 
present to bees these difficultics to the same degree. We 
have seen bees gathering honey freely on four or five differ- 
znt varieties which grow in ourneighborhood, and especially 
on the Tuberosa or Pleurisy root (Fig. 145), fitly recom- 
mended by James Heddon. This kind is noticeable by its 
orange flowers. 
Fig ls. Fig. 149. 
RALE. BLACK MUSTARD. 
Crucifere :—Rape (Fig. 148), Mustard (Fig. 149), 
Cabbage, Radish, Candy Tuft, Stock, Wall-Flower, Moon- 
wort, Sweet Alyssum, Cress. 
Ericacee:—This family, on the Old Continent, includes 
the numerous varieties of Heath, on which bees reap a 
large harvest of inferior honey, so thick that it is impos- 
sible to extract it. Blueberry, Sour Wood, Laurel, Clethra 
alnifolia, Cowberry (Fig. 150), Huckleberry, Whortle- 
berry, Gaultheria Procumbens, or Creeping wintergreen,— 
which is indicated, by some English bee-keepers, as pre- 
