1897.] Botany. 433 
Quercus brevifolia (Lam.) Sargent, Blue Jack (Q. cinerea Michx.). 
Ulmus pubescens Walter, Slippery Elm (U. fulva Micbx.). 
Sassafras sassafras (L.) Karst., Sassafras (S. officinale Nees.). 
Gymnocladus dioicus (L.) Koch, Kentucky Coffee-tree ( G. canaden- 
sis Lam.). 
Cotinus cotinoides (Nutt.) Britton, American Smoke-tree (Rhus cot- 
inoides (Nutt.) T. & G. 
Rhus hirta (L.) Sudworth, Staghorn Sumach (R. typhina L.). 
Rhus vernix L., Poison Sumach (R. venenata DC.). 
Acer saccharum Marsh., Sugar Maple (A. saccharinum Wang.). 
Acer saccharinum L., Silver Maple (A. dasyearpum Ehrhart). 
Acer negundo L., Box Elder (Negundo aceroides Moench. ). 
Acer negundo californicum (T. & G.) Sargent, Californian Box Elder 
(Negundo californicum T. & G.). 
Nyssa sylvatica Marsh., Black Gum (N. multiflora Wang.). 
Nyssa ogeche Marsh., Sour Gum (N. capitata Walter). 
Nyssa aquatica L. Tupelo Gum (N. uniflora Wang.). 
Mohrodendron carolinum (L.) Britton, Silverbell-tree (Halesia tetra- 
ptera Ellis). 
Mohrodendron dipterum (Ellis) Britton, Snowdrop-tree (Halesia 
diptera Ellis). 
Fraxinus nigra Marsh., Black Ash (F. sambucifolia Lamarck.). 
Fraxinus pennsylvanica Marsh., Red Ash (F. pubescens Lamarck.). 
. Fraxinus lanceolata Borkh., Green Ash (F. viridis Michx. f.). 
Catalpa catalpa (L.) Karsten, Common Catalpa (C. bignonioides 
Walter).—CHARLES E. BEssEY. 
Note on Lysimachia nummularia L.—This plant is found 
escaped from cultivation near Decatur, Ill. It started from a ceme- 
tery, where it is cultivated, and now runs wild over an unused part of 
the cemetery, and for a distance of half a mile along a little stream 
running from it. The seeds float down and extend its habitat every 
year. When it once takes root it drives out all other vegetation ex- 
cept Nepeta glechoma and a few tall plants as Lobelia syphilitica, Im- 
patiens pallida, etc. It spreads very rapidly, rooting at every node 
and forming long parallel stems, three to five feet long, making a mat- 
ted growth. When not in flower it resembles, at a distance, Nepeta 
glechoma. It blooms from June to August. It is often called “ wild 
myrtle.””—ALLAN GLEASON, Secy. Agassiz Asso., Chapter 56. 
Another Popular Botany.—In a pretty little book by Mrs. 
Dana—“ Plants and their Children ”—we have an illustration of the 
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