tri cho thalamus

[Pref. tricho-, and Gr. thalamos a bed-chamber.] Bot .: A section of the genus Potentilla. Shrubby species. Petals five, orbicular, yellow; achenes many, hairy, on a very hispid receptacle. tri-chot-o-mous, a. [TRICHOTOMY.] Bot.: Having the divisions always in threes. IMG:content-1421.png:[blocks in formation] tome a cutting. Division into three parts. "Some disturb the order of nature by dichotomies, trichotomies, sevens, twelves."- Watts.