Note 397 — NEW ENGLISH CANAAN OR NEW CANAAN. (continued 2)
Reading edition
Boll armoniack is the Bolus armeniaca of the old apothecaries. Bolus is the prefix to several old pharmacopial names, having lost its original special signification and come to be a given term for all lumpy substances. Here it means a sort of reddish clay, such as may be used for marking,—a clayey ochre such as may have come from about Providence, R. I.