THE FLOWERS OF EARLY JUNE. II. 167 
Dactylis and the Phleum are widely cultivated and are, 
for us, three of the most valuable members of this great 
family, excepting the cereals. ,_ The Glyceria and the 
Alopecurus, of differing habit and habitat, are wild forms 
which hover on the borders of cultivation but are not 
of it. : 
The two clovers and the lupine are gregarious 
plants and sometimes tinge whole fields with their own 
color. In the meadows the clovers may usurp the place 
of the grasses and yet they are not considered intruders ; 
rather they are sought and cultivated as two of the most 
valuable fodder plants. Other plants of the same order, 
the Leguminose, are attracting attention for the same 
reason. Desmodiums, Lespedezas and Medicagos, es- 
pecially the alfalfa (Medicago sativa, L.) are now much 
cultivated, and with profit, in various sections of this 
country. 
Here are four species of orchids, belonging to four 
different genera, and they are among the most interest- 
ing of their kind. The lady’s slipper and the Arethusa 
will always attract by their color, and yet the greenish 
flowers of the Pogonia and the Hadenaria exhibit as 
exquisite adaptations for the securing of cross-fertiliza- 
tion as any of the order. Once a year, at least, I want 
to lift the lid-like anther of the Avethusa and the Pogonia 
to see if the pollen-masses are yet retained in their snug 
case, and to touch the button-shaped disk of the pollen- 
