W. H. Pation— Observations on the genus Macropis. 211 
Arr. XXXIII.— Observations on the genus Macropis; by W. H. 
PATTON. 
only, while the males occurred also upon the flowers o: 
the flowers with the ligula for the juices with which to moisten 
the pollen. This act of the bee seems to me both impossible 
and unnecessary. The ligula is too weak, and, if we are to 
look to the Lystmachia for a solution of the problem, it Is well 
* Die Befrnchtung der Blumen durch Insecten, pp. 348 and 463 (1873). 
Belfast Address, 1874; Nature, vol. x, p. 426, and British Wild Flowers be 
oes e to Insects, p. 21. The ae pron pp Son ag SPP opemiens ns 
ritish Wild Flowers, p. 126 - 
coreg SM and the question arises in the mind of the reader: where do the bees 
get the honey upon which they must live? 
ewman’s Entomologist, Aug., 187 6, p. 158. 
can contain i ¢ apart 2s 
group of Lysimachias containing L. ciliata has recently been se as 
a distinct Stetronema fessor Gray (Proc. Am. Acad., vol. xii, 
mie of eget! oedsees of the Asie ef but for oo present 
purposes, Tridynia (containing stricta and quadrifolia), Lyeimachia (containing 
vulgaris) and Siclvousmna tan to: Goad together under the name Lysimachta. 
