40 



OBJECT LESSONS IN BOTANY 



What do tJiese figures represent ? — Fig. 105 represents a branched hair as it appears 

 under a strong magnifier; Fig. 104, an unbranched or simple hair; Fig. 102 is a 

 hair with a gland on it; Fig. 103, also, is a gland on the top of a hair; Fig. 101 

 represents the hooked prickles of a Kose-bush, not magnified; Fig. 106 represents 

 a sting of a Nettle, much magnified. 



60. Hairs of various kinds (Figs. 104, 105) are found on 

 the leaves and other parts of plants. By this clothing pecu- 

 liar qualities are given to the surface, named and described 

 as follows. 



61. A dense coat of hairs will make the surface jpubescent 

 when the hairs are short and soft ; villous., when rather long 

 and weak; sericious, or silky; tomentous.^ when matted like- 

 felt, &c. 



62. But thinly scattered hairs make the surface hirsute 

 when they are long ; pilous^ when short and soft ; hispid^ 

 when short and stiff, (fee. 



60. How are plants clothed. ? 



61. Define the term pubescent; villous, &c. 

 63. Define the term hirsute ; hispid, &c. 



