This section is from the book "The National Capitol. Its Architecture Art And History", by George C. Hazelton, Jr. Also available from Amazon: The National Capitol Its Architecture Art and History.
To the north of the rotunda is a light-well, evidently modeled after some Grecian temple. Its curious " tobacco capitals" were designed by Latrobe from the flowers and leaves of the native plant. To the east is a vestibule from which is accessible the office of the Marshal of the Supreme Court of the United States, affording a side entrance to the Court room itself.