The outline form makes it easy to browse for your topic. There is also a search engine to locate your topic quickly. The Orchid Lady's Orchid Encyclopedia Check out beautiful pictures of orchids and historical and detailed plant information. The site may be slow to load because of the pictures. Select the first letter of your word or find the word in the list in the top right box.
Identifications Find pictures, identification points, range maps, and detailed descriptions.
The pages take some time to load but are worth the wait. Check out biographies and history as well as math terms. Other languages are also available. Select the first letter of the word you are looking for or just scroll down the page. Hyperlinks will help you to explore the history in more depth.