With shame I share a very bad picture of the little arbuscle. From LearnThat.org. [http://www.microscopy-uk.org.uk/mag/indexmag.html?http://www.microscopy-uk.org.uk/mag/artmay04/wdstains.html]
An arbuscle, or dwarf tree. From Wordnik.com. [The Standard Speller; Containing Exercises for Oral Spelling; also, Sentences for Silent Spelling by Writing from Dictation. In Which the Representative Words and the Anomalous Words of the English Language are so Classified as to Indicate Their Pronunciation, and to be Fixed in the Memory by Association.] Reference
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