This section is from the book "The Gardener V1", by William Thomson. Also available from Amazon: The New Organic Grower: A Master's Manual of Tools and Techniques for the Home and Market Gardener.
The best, most distinct, and most floriferous of Jackman's lot are Jackmannii and Rubella. Both of these you should have. Lady Bovill, which looks much better on paper than it was shown at Oxford by Messrs Jackman & Son, has very much of the habit of C. lanugniosa about it, and never will be so free as the one first named. Get the two just named at once, and wait a bit for light varieties till something definite is known of them. Mr Charles Noble of Bagshot, and Messrs Thomas Cripps & Son, Tunbridge Wells, are to send out some very fine new varieties shortly.