arbuscle

Gumme is an Arabick word, and when it is put abſolutely; it muſt be underſtood of Gum-Arabick, which Galen calls Thebane, ſome Babylonian, and others Acanthine Gumme. It flowes from a certain arbuſcle, which [Pedanius] Dioſcorides calls Acacia, whereof he conſtitutes two ſorts […]

The hyphae of the arbuscle, which are finely ramified and form a floccose mass, soon lose their individuality and make a structureless granular and gummy conglomeration […]

Detailed view of a typical fine endophyte arbuscle in the inner cortex. Note the well preserved structural integrity of the endophyte and the characteristic bifurcate hyphae […]. Infection was with the fine endophyte Glomus tenuis […].