FOOTNOTES:
Reading edition
[1] Polygonum viviparum in the "host" for the Uredo stage of this fungus, and the disease was noticed on it in several places.
[2] "On some Algæ from Hot Springs," G. S. West, Journal of Botany, July 1902, p. 242.
[3] Not in Warming's list, but given by Babington from Akureyri.