606 



OX SEEDLINGS 



petioles ; lamina 3*5 cm. long, 2-1 cm. wide ; petiole grooved above, 

 2 mm. long. 



Stem erect at first, herbaceous and zigzag, ultimately climbing, 

 five-angled and furrowed, glabrous or slightly bristly, pale green 

 with dark markings ; 1st internode undeveloped ; 2nd and 3rd each 

 9'5 mm. long. 



Leaves simple, palmate, cauline, alternate, exstipulate, petiolate, 



oc 



PIG. 889. Bryonia laciniosa. A, seed, x 10. B, longitudinal section of 

 seed : OC, testa : 1C, tegmen, x 10. C, transverse section of seed, x 10. 



thinly hairy and scabrous above and deep green, paler beneath, 

 scabrous on the principal nerves, otherwise glabrous ; petiole sub- 

 terete, slightly bristly, channelled above, pale green with darker 

 nerves, shining. 



No. 1. Five-nerved, tripartite ; middle segment lanceolate- 

 elliptic, acute, distantly dentate ; lateral segments obliquely oblong 

 or lanceolate, acute, slightly dentate especially on .the oblique side, 

 where a large tooth indicates further division. 



No. 2. Similar, but more decidedly dentate. 



Nos. 3 and 4. Palmately five-nerved, five-lobed ; middle lobe 



