36 BULLETIN 258, U. S. DEPARTMENT OE AGRICULTURE. 
Essential parts of the flower. — The stamen and the pistil with their, 
divisions. They produce seed. 
Pollination. — (1) Ripened pollen grains when shed by the anther 
either fall upon or are carried to the stigma of the pistil. The pollen 
grain produces a thread-like growth, which passes through the style 
into the ovary, where it gives off a cell to unite with an ovule. This 
union develops a seed. (2) Kinds of pollination: (a) Self-pollina- 
tion, (h) cross-pollination. The latter is accomplished by winds and 
insects. 
Class assignment. — Duggar"s. pp. 7-20. (Omit paragraphs that 
are not essential.) 
Practical exercises. — Have the pupils bring to school for study 
flowers of turnips, peaches, apples, strawberries, honeysuckles, and 
dogwood. Learn to name the principal parts. TThich of these 
flowers are visited by insects ? 
Correlations. — Language and drawing: Have each member of the 
class describe and make drawings of one or more of the flowers 
studied. 
LESSON EIGHT. 
subject: weeds, topics: (i) the injtjby weeds do; (2) kinds and habits; 
(3) methods of combating. 
The injury weeds do. — They use plant food, take up moisture, make 
cultivation expensive. 
Kinds and hah its. — Annuals, biennials, perennials. 
Methods of combating. — Uprooting, cutting off tops to prevent 
seeding, smothering, selecting clean seed. 
Glass assignment. — Duggar's. pp. 182-184. Supplement the lesson 
with notes from Farmers^ Bui. 660. 
Practical exercises. — Have the pupils bring to school for study 
specimens of all weeds that may be found in the gardens, orchard, or 
fields at this time. Learn to name them and list the names with a 
brief description in the class notebook. Those that can not be identi- 
fied should be sent to the Alabama Polytechnic Institute. Auburn, 
Ala., for classification. 
Correlations. — Language and drawing: Make written descriptions 
and drawings of the weeds studied. History : Require the pupils to 
prepare an account covering the following points with reference to 
the most injurious weeds found in the community: The dates of 
introduction, the spread, the damage done, and the methods of com- 
bating. 
