Published online by Cambridge University Press: 01 May 2009
Diagnosis.—Corallum massive and probably nodular. Corallites polygonal, often pentagonal, and, where the walls are not well defined, appear circular. Calices from 2 to 3 mm. in diameter; the width of cœnenchyma separating them varies from ·5 to 2 mm. Septa twenty-four in number, subequal; the trabeculæ are distinct in some and in others fused together. Pali rounded; they occur in three crowns, the primary pali being larger than the others. They are sometimes quite separate from the septa, and sometimes completely fused with the septal ends. Together with the columella they occupy a space equal to one-third of the diameter of the clayx. Columella fairly large, though somewhat irregularly developed. Occasionally it is so small as to appear papilliform, but it is generally clearly fascicular.
To send this article to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about saving to your Kindle.
Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.
Find out more about the Kindle Personal Document Service.
To save this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Dropbox account. Find out more about saving content to Dropbox.
To save this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about saving content to Google Drive.