Bramble-bees and Others 



stricted to one plant; and this Is confirmed by 

 an examination of the separate cells, piece by 

 piece, when we find a variety which we were 

 far from imagining at first. Here is the flora 

 of the Megachiles In my neighbourhood, a 

 very Incomplete flora and doubtless capable 

 of considerable amplification by future re- 

 searches. 



The Silky Leaf-cutter gathers the materials 

 for her pots, her lids and her barricades from 

 the following plants: pallurus, hawthorn, 

 vine, wild briar, bramble, holm-oak, amelan- 

 chier, tereblnthus, sage-leaved rock-rose. The 

 first three supply the greater part of the leaf- 

 work; the last three are represented only by 

 rare fragments. 



The Hare-footed Leaf-cutter (Megachile 

 lagopoda, Lin.), whom I see very busy in 

 my enclosure, though she only collects her 

 materials there, exploits the lilac and the rose- 

 tree by preference. From time to time, I see 

 her also cutting bits out of the robinia, the 

 quince-tree and the cherry-tree. In the open 

 country, I have found her building with the 

 leaves of the vine alone. 



The Silvery Leaf-cutter {Megachile argen- 

 tata, Fab.), another of my guests, shares the 



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