164 



NATURAL HISTORY OF PLANTS. 



micropyle directed upwards and outwards.i The fruit is an achene,^ 

 the descending seed of which encloses a fleshy embryo, without 

 albumen; the incumbent radicle is folded upon the cotyledons and 

 its summit turned upwards. The Hemps are annual herbs, of 



Hmnulus Lupulus. 



Fig. 137. Volubile foliaceous branch. Fig. 141. Fructiferous branch. 



which there is in reality only one species ;^ it is supposed to be a 

 native of central Asia. Its stem is erect, clothed with opposite 

 leaves, often alternate in the upper part, palminerved, 7-9 -sect, 

 scabrous, with petiole accompanied by two free and persistent 

 stipules. The whole plant has a strong odour and contains an 

 aqueous juice. The male flowers are in axillary and terminal 

 clusters of compound cymes which become in part uniparous and 

 are partially destitute of bracts. The female flowers are also in 



1 With double envelope. 



' C. sativa L. Spec. 1457. — Reichb. Ic. Fl. 

 Germ. t. 655.— Blackw. Herb. t. 322.— Gren. 

 et GoDR. Fl. de Fr, iii. 112. — C. vidica Lamk. 



Diet i. 695, n. 2. — C. chinensis Del. Gat. Eort. 

 Monsp. {\M^).— Polygonum viridijlorum Pom. 

 Diet. VI. 140 (ex Meissn.).— ^a?««^t Rheed. 

 Hort.Malab.x.UGO. 



