i 



£ ON HEMP. 



is single, divides itself at the extremities into several branches, 

 which terminate in slender delicate spikes (C), ending in a point ; 

 whilst the female Hemp, on the contrary, terminates in tufts of 

 leaves of a considerable size (Plate III. D J, among which we find 

 the seed (E)\ so that the male and female plants may be distin- 

 guished at a considerable distance. 



The flowers (Plate II. F) of the male Hemp grow from the 

 axillag of the small longish leaves (GJ, near the summit of the 

 stem. The flowers are disposed in clusters; in general two clusters 

 hang from each axilla, and each cluster bears nine or ten flowers. 



Before the flowers expand, the flower- buds (H) resemble little 

 oval boxes, indented and divided like a melon ; and these divisions 

 are the more apparent, as the ridge is greener than the part indent- 

 ed, which is of a whitish colour. 



When the flowers are expanded, they consist of a calix (K), 

 of a pale green, which becomes purplish as they fade. This calix 

 is entire, although divided almost to the base into five parts. It 

 contains no petals, but five stamina (L), which are attached to the 

 bottom of the flower by short and very slender filaments (M J. 



The antheras (N) are thick, of a bright yellow, and divided 

 into two longish cells, full of a very fine powder, the grains of 

 which, when examined with the microscope, appear to be round, 

 and resemble a heap of small shot. This powder probably is, or con- 

 tains, the fecundating matter.* 



* Mr. Bernard de Jussieu, having scattered some of this dust on water, 



