noun, plural vas·cu·la [vas-kyuh-luh] /ˈvæs kyə lə/, vas·cu·lums.
Examples from the Web for vasculum
Don't forget to take a vasculum or a basket, and a hammer for fossils, and be sure you put on strong boots.The Luckiest Girl in the School|Angela Brazil
To carry the specimens, either the tin box (vasculum) or a portfolio, or both are required.The Elements of Botany|Asa Gray
If you have a botanist's vasculum, by all means take it, for nothing can serve this purpose better.Butterflies and Moths|William S. Furneaux
Each had slung over her shoulders a vasculum for botanical or other specimens, and each carried in her hand a copy of the notes.The Madcap of the School|Angela Brazil