CUCURBITACE^E 603 



above and scabrous, paler beneath, shining and glabrous, 3 cm. long, 

 lengthening to 6*5 cm., 1 cm. wide, widening to 2 cm. 



Stem erect, deeply angled and furrowed, pale green, succulent, 

 coarsely pubescent and scabrous, ultimately flexuose, or zigzag at the 

 nodes, climbing; hairs usually deflexed ; Istinternode undeveloped ; 

 2nd 4-5 cm. long ; 3rd 1-8 cm. 



Leaves simple, cauline, alternate, cirrhose or not, petiolate, 

 coarsely pubescent or hairy on both sides and scabrous ; petioles 

 subterete and channelled above, frequently ridged and furrowed 



PIG. 386. Cucumis sativus. Nat. size (very young). 



especially at the sides. A tendril occurs in the axil of the second 

 or third and succeeding leaves. 



No. 1. Lamina broadly cordate, acute, palmately five-nerved, 

 angled or shallowly lobed about the middle at the termination of the 

 nerves, irregularly repand-dentate between the angles or lobes, 

 entire towards the base on each side of the sinus, pale green above 

 with sunk nerves, paler green beneath with prominent nerves and 

 reticulations. 



No. 2. More decidedly five-lobed, and toothed almost to the 

 base. 



No. 3. Similar. 



