Changes

* Marrubium vulgare|Horehound

* Marrubium vulgare|Horehound

* Houttuynia

* Houttuynia

* Hydrangea tea, dried leaves of hydrangeas; considerable care must be taken because most species contain a toxin.  The "safe" hydrangeas belong to the ''Hydrangea serrata'' Amacha ("sweet tea") Cultivar Group.<ref>C.J. van Gelderen; D.M. van Gelderen. 2004. Encyclopedia of Hydrangeas. Timber Press. 280 p.</ref>

* Hydrangea tea, dried leaves of hydrangeas; considerable care must be taken because most species contain a toxin.  The "safe" hydrangeas belong to the ''Hydrangea serrata'' Amacha ("sweet tea") Cultivar Group.

* Jiaogulan, (also known as ''xiancao'' or ''poor man's ginseng'')

* [[Jiaogulan]], (also known as ''xiancao'' or ''poor man's ginseng'')

* Kapor tea, dried leaves of Epilobium angustifolium|fireweed

* Kapor tea, dried leaves of Epilobium angustifolium|fireweed

* Kava root, from the South Pacific, is popular for its effects in promoting talkativeness and relaxation

* Kava root, from the South Pacific, is popular for its effects in promoting talkativeness and relaxation