ULMACE.E. 219 



clothed with calyx, indehiscent, 1-spermous ; seed descending ; coty- 

 ledons of exalbuminous curved embryo rather thick, dorsally convex ; 

 radicle subequal incumbent ascending. — An erect (strong smelling) 

 scabrous pilose annual herb ; juice aqueous ; leaves opposite and 

 alternate palmatinerved, 5 -9 -sect. ; stipules free, persistent ; flowers 

 terminal and axillary to upper leaves ; male inflorescence compound 

 racemose loosely cymiferous ; bracts linear ; the uppermost often ; 

 female flowers condensed in compound cymes ; bracts in cymule 

 foliaceous, stipuliferous, 2 -flowered ; bracteoles of single flowers 

 ovately lanceolate, with velvety glands externally (consisting of 

 connate stipules, persistent around and finally longer than enclosed 

 fruit). [Temp, Asia.) See p. 162. 



^b, Humulus L. — Flowers dioecious (nearly of Cannabis) y sta- 

 mens 5 ; filaments short ; anthers erect. Female calyx gamophyl- 

 lous persistent. Germen, etc., of Cannabis ; style branches elongately 

 subulate papilliferous equal. Fruit dry induviate; embryo of 

 descending exalbuminous seed circinately involute. — Perennial (odo- 

 rous) herbs ; branches herbaceous volubile scabrous ; leaves opposite 

 petiolate, entire or oftener lobate ; stipules interpetiolate wide, free 

 or connate in pairs ; male inflorescences loose with lanceolate bracts ; 

 female condensed with cone-like bracts and large distinct stipules, 

 2-flowered; bracteoles closely surrounding single flowers, more or 

 less produced above, ovate or lanceolate ; nearly all parts of the in- 

 florescence and flowers more or less sprinkled witli yellow resinous 

 glandules. (Temp. Europe and Asia,) See p. 165. 



