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mdierks at Aug 05, 2020 01:23 PM
mdierksmdierksArchives & Special CollectionsArchives & Special Collections

561

not yet mastered it.
I own a tolerably good
Beck's microscope though
I probably do not use
it well as I have no
instructor. There are
many puzzling things
to which I desire answers.
Will you kindly
tell me if you have
ever noticed the [Braccinia
peltrata?] [?]. It is
covered, stem, leaf
buds & under side
of leaves with a clear

[mucilage?]. This must be
secreted by the plant.
Has the [mucilage?] a cellular
structure? My microscope
does not show
any. Under what head
would it come if not
cellular? I mean as a
plant product. Have you
noticed the pecular structure
of the epidermis where
the [mucilage?] is secreted?
I send you a drawing
I made of part of a
section of a petiole. I
suppose these cells come

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