
          XIV
[drawings]
Cotton. Young forms shed in consequence of Wet weather. Plate 14.
1. Young flower. with corolla, & "ruffle" cut off to exhibit pistils & stamens  2. pistil or female
part of flower  3.Stamens. or male parts of flower.  4 Corolla where cut off.
5. Young unimpregnated seed vessel. or unimpregnated boll  6. male parts of fructification.
consisting of the anther. covered with grains of pollen. appearing to the naked eye like yellow
powder.  7. Filament of stamen  8. magnified grain of pollen. or impregnating dust.
9. Stamen as when the pollen has been washed off by rain. in the morning. before impregnation has
has taken place.  10. Young boll cut open. to show the nonimpregnated seeds turning brown
11. Young square as when fallen to the ground or shed. in consequenceof nonimpregnation.
Note When heavy rains occur. in the morning. from 8 to 2 oclock, the pollen is frequently washed away
from the anther, as at fig 9. & none of the impregnating dust being conveyed to the pistil. fig 2. of course
the seed is not fecundated, & the young squares perish. Several insects serve as important agents
by which the impregnation of many plants is effected. as by their instrumentality the pollen is carried.
adhering to their legs or bodies to places much to far distant to be reached by ordinary means.
Wind also serves as an agent in the distribution of pollen, hence the crossing of cotton. Corn & TG
        