From the category archives:
Upon filing, the application is reviewed for formalities in the USPTO Initial Processing Branch where it is assigned a serial number, assembled into a file jacket, and reviewed by application examiners for formal requirements. If found in compliance, the application is then forwarded [...]
Before an application is filed, the (clones of the) plant must have been carefully observed during the testing process. Because the botanical description of the plant must be reasonably complete, it would not suffice to describe just the fruit, or flower, or bark, or [...]
The following arrangement is preferred in framing the specification and, except for the title of the invention, each of the lettered items should be preceded by the headings indicated below as tailored for [...]