URTICACE.E 497 



glandular ; stipules of each pair interpetiolar and connate into one 

 blunt or truncate piece ; petiole semiterete, channelled on the upper 

 surface. 



First pair tri-fid or -lobed. 



Second pair palniately five-nerved and -lobed. 



Cannabis saliva, L. 



Fruit an achene. 



Seeds orbicular or oval, 1-5-2 mm. in diameter; testa smooth, 

 greenish-brown ; hilum inconspicuous. 



Endosperm thin, surrounded by the embryo, fleshy, greyish- 

 white. 



Embryo curved or rounded on itself, surrounding the endosperm, 

 colourless ; cotyledons oval, obtuse, plano-convex, closely adpressed ; 

 radicle terete, obtuse, lying close to the hilum, superior, slightly 

 longer than the cotyledons. 



Seedling. 



Primary root tapering downwards, flexuose, fibrous. 



Hypocotyl erect, terete, pubescent, soon becoming firm and 

 woody, 3-5 cm. long. 



Cotyledons unequal, obovate-spathulate, tapering downwards, 

 blunt, sessile and slightly connate at the base, erect for some way 

 above the base and then recurved, pubescent on the upper surface, 

 with a distinct midrib and two lateral nerves arising from the base, 

 which unite with other two nerves arising about the middle of the 

 cotyledon and run to the apex ; longer cotyledon 1'4-1'G cm. long, 

 5-6 mm. wide ; shorter one 1-1-3 cm. long, 5*5-6 mm. wide. 



Stem erect, terete, striated, hairy, herbaceous or sub woody ; 1st 

 internode 1-8-2-5 cm. long ; 2nd longer. 



Leaves simple, digitate (first pair merely serrated), cauline, 

 opposite, stipulate, petiolate, distinctly penninerved with ascending 

 nerves, hairy on the upper surface and on the nerves beneath ; 

 stipules small, subulate or linear, acute, slightly hairy ; petioles 

 semiterete, hairy, channelled above. 



First pair lanceolate, obtuse, bluntly serrate, sometimes with 

 two lateral lobes at the base. 



Second pair digitately tripartite, with lanceolate obtuse and 

 obtusely serrated segments ; terminal segment much the largest. 



Third pair digitately four- or five-partite with lanceolate acu- 

 minate segments. 



Fourth pair digitately five-partite. 



II. K K 



