[6] 79 FLOWERING PLANTS 



Vegetative organs (continued). 



ARRANGEMENT OF LEAVES, STEMS AND ROOTS IN DIFFERENT TYPES 

 III. Tuber. 



C. Make a sketch of the tuberously thickened underground stem of the Chinese artichoke (Stachys tuberifera), 

 marking nodes, scales, axillary buds, internodes, upwardly turned terminal bud. 



D. Jerusalem artichoke (Helianthus tuberosus). Sketch the tuber as seen from the side, marking scales, 

 axillary buds, and terminal bud. 



E. Sketch the sprouting potato (Solanum tuberosum} : shewing tuber, leafy shoots, and adventitious roots 

 arising from their base. 



-.<*' 



