<div dir="ltr">Here is a charming old book now available online (with original illustrations by the author.  It dates back to 1882 but this version is a reprint of 1901.  May we all age as gracefully yet factually.<div><br></div><div>Peter<br><div><br></div><div>
















<p class="MsoNormal">Gibson, W.H. & 
Davie, E.E. (editor) 1901. Blossom hosts and insect guests: How the
heath family, the bluets, the figworts, the orchids and similar wild flowers
welcome the bee, the fly, the wasp, the moth and other faithful insects. Newson
and Company.  New York, USA.</p>

<div><br></div><div><a href="https://books.google.com/books?id=fUwAAAAAYAAJ&pg=PA182&lpg=PA182&dq=insect+pollination+viola+pedata&source=bl&ots=5odc8Cl4J1&sig=HT6v4jMa6DWj4zrYkcGCeCC_UEA&hl=en&sa=X&ved=0CEYQ6AEwBmoVChMIlb-DsIesyAIVTpuICh13mgpx#v=onepage&q=insect%20pollination%20viola%20pedata&f=false">https://books.google.com/books?id=fUwAAAAAYAAJ&pg=PA182&lpg=PA182&dq=insect+pollination+viola+pedata&source=bl&ots=5odc8Cl4J1&sig=HT6v4jMa6DWj4zrYkcGCeCC_UEA&hl=en&sa=X&ved=0CEYQ6AEwBmoVChMIlb-DsIesyAIVTpuICh13mgpx#v=onepage&q=insect%20pollination%20viola%20pedata&f=false</a> </div></div></div></div>