(1/2 natural size.) A. Leaf-stalk. (Photograph.)
This image is from Aspidium in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.

(1/2 natural size.) A. Leaf-stalk. (Photograph.)
This image is from Aspidium in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.