[From
Roses of America, by Stephen Scanniello and Tania Bayard, p. 17:] In 1790, Prince's, the first major American nursery (founded in 1737 on Long Island by Robert Prince), listed only twelve varieties in its catalogue: moss, musk, centifolia, gallica, cinnamon, yellow, monthly (as the newly discovered repeating China roses were called), thornless, American wild roses, two types of damask, and primroses (the last-named probably not roses at all). When William Robert Prince, the great grandson of the founder, published the
Prince Manual of Roses in 1846, he listed 1,630 varieties...
Large parts of the Manual seem to have been plagiarized from earlier works by Thomas Rivers.