Synthesized answer
The provided passages do not contain information about what questions remain unanswered in "The Standard Cyclopedia of Horticulture".
The passages describe the nature of the work, its origins, and its value as a reference for gardening and small-scale agriculture [1, 2]. They highlight the detailed procedures for gardening in a pre-modern era and the existence of various editions of Bailey's works [1, 2]. However, they do not address any specific unanswered questions within the cyclopedia itself.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
lture" and the three editions of "Hortus" ("Hortus", "Hortus Second" and "Hortus Third"). This work began at the end of the 19th century and continued into the 1970s when Bailey's offices produced the vastly updated and expanded "Hortus Third".) Many different editions and printings of all of the works exist, and it is often necessary to view a particular copy in order to determine if it will provide the information sought. On the other hand, all of the editions and forms, from the earliest to the last, are among the best references for idle reading. Open a volume to a random page, and soon…
Title: The standard cyclopedia of horticulture by L. H. Bailey, Liberty H. Bailey, L. H. (Liberty Hyde), - Bailey Description: A highly inclusive reference work covering the conditions, plants and procedures of American gardening and small-scale agriculture. L.H. Bailey was considered the "Dean of American Horticulture", and his work, out of his offices at Cornell University, established American horticulture as the equal or better of that practiced in any other country on earth. Many of the scientific plant names have been revised over the last century, but online resources make it simple…