504 Agnes Arder. — On the S 'true hire of the A ndroecium in 
Text-fig. 3. Series of transverse sections (semi-diagrammatic) through the essential organs of a flower of Parnassia pcilustris (x 9). 
A is cut near the apex of the flower and H at the base. The sepals (sep.) and petals (petS) are not indicated, except in G and h. st. = stamen ; 
st.b. — stamen bundle ; std. = staminode or nectary ; std.b. = staminode bundle ; p.b. <= petal bundle ; ov. = ovary ; loc. - loculus. 
