THE PLANT-BODY. 73 



flower-axis of anemone, buttercup, tulip, or lily; 8, tendrils of tbe 

 grape, or Virginia creeper; 9, thorns of lioney-locust, or plum. 



(c) Study as examples of phyllome forms: 1, leaf of apple, cberry, 

 or Indian Corn, etc.; 2, bracts of flowfr-cluster of cress, sweet- 

 •william, golden-rod, or aster; 3, scales of buds of bickory or lilac; 

 4, floral envelopes of anemone, buttercup, tulip, or lily; 5, stamens 

 of any of tbe above; 6, carpels of anemone, buttercup, columbine, 

 etc. ; 7, tendrils of pea, or vetcb ; 8, spines of tbistles. 



(d) Study for root-forms : 1, roots of seedling cabbages, radisbes, 

 etc.; 2, aerial roots of greenhouse orchids; 3, parasitic roots of mis- 

 tletoe. 



(e) Study as examples of trichome forms: 1, bairs of petunia or 

 verbena; 2, bristles of tickle-grass; 3, prickles of tbe hop ; 4, scales 

 of the buffalo-berry, or elaeagnus; 5, glands of the petunia or walnut; 

 6, root-hairs of seedling cabbages, radisbes, etc. ; 7, sporangia of com- 

 mon polypody fern; 8, ovules of anemone, buttercup, columbine, 

 bouncing-bet, etc. 



