poultice

California Yerba santa Eriodictyon californicum leaf shape

Hairy Yerba santa leaf shapes E trichocalyx var lanatum, showing margins and venation

Hairy Yerba santa Eriodictyon leaf shapes E trichocalyx var trichocalyx showing margins and venation

Narrow-leaved Yerba santa Eriodictyon angustifolium leaf shape, showing margins and venation

California Yerba santa Eriodictyon californicum with individual flower detail

Hairy Yerba santa Eriodictyon trichocalyx var. lanatum

Hairy Yerba Santa Eriodictyon trichocalyx var trichocalyx

Narrow-leaved yerba santa Eriodictyon angustifolium with individual flower detail

Witch-hazel tree Hamamelis virginiana in bloom in winter.  Illustration shows snow on the ground, and twigs visible.

Witch-hazel tree Hamamelis virginiana in bloom in winter.  Illustration shows snow on the ground, and twigs visible.

Witch hazel Hamamelis virginiana sprig and individual flower

Rosebay willowherb Epilobium or Chamaenerion angustifolium

Greater plantain Plantago major showing basal rosette with individual detail of one flower

Greater plantain Plantago major pen and ink illustration line drawing with flower detail

Pen and ink illustration of Cleavers Galium aparine

Sketchbook study of the Beeck, with details of leaf and beech nut

Red Dead Nettle Lamium purpureum two flowers with a tangle of small leaves at their base

Beech bark study Fagus sylvatica showing a knot

Beech Fagus sylvatica twig in bud and leaf and beechnuts

Beech Fagus sylvatica tree outline showing tree shape without leaves