London: Richard Taylor, 1833. 4to. pp. 685-743. FIRST EDITION. With 3 engraved plates by James de Carle Sowerby, plus 4 preliminary and 2 final leaves for Vol. XVI of the Transactions bound in the back (consisting of the general title, volume title, contents, errata and plate register). Modern gray boards, white cloth spine printed in black. Item #4434
First edition, second printing. Brown's paper may be said to have established the concepts of the nucleated cell as the unit of structure in plants" (Hughes). Brown, who coined the term "nucleus," was the first to demonstrate the general occurrence of the nucleus in plant cells. The present paper was first printed for private distribution in 1831 under the title "Observations on the organs and mode of fecundation in Orchideae and Asclepiadeae." G&M, 109.