

31 



nor tcili t l>>ii sj,r<,ut if tl ■ i tare is kept below 40° or 



I ir, . If *,,,,,< of these same seeds be planted deep belotc 



the surface of the soil, a /< w come up, 



L— HlmplcHj in itinif need; 



m Yearbook, ., 1885, page 181.) 



sIojm .1 ; B 



but m thr Kiirfur, i In 11 sprout nW</;/. From experiments such 

 a* this u • /< am that seeds must be supplied with certain quart- 

 nd air before they can sprout. 



Questions 



1 What is an annual? 2. What is a bienhial? 3. What is a 

 perennial ; Bon many crops of seed does a biennial plant 

 pvotoetl "). II.. w nft.n do most perennials produce seed? 

 <; II. m i^ ■ bsm*l sjg •■hanged to a chicken! 7. How does heat 

 affect moat seeds? 8. W hat is necessary besides heat to sprout 



PROBLEM 



M.ik. i ]M ..f nil the plant- \..u know in youi neighborhood, 

 an. I .hvi.lc tht-ni into annuals, biennials and perennials. 



