40 OBJECT LESSONS IN BOTANY 
101 102 103 104 105 
What do these 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. 108, also, is « gland on the top of a hair; Fig. 101 
represents the hooked prickles of a Rose-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 pubescent 
when the hairs are short and soft; villous, when rather long 
and weak; sericious, or silky ; tomentous, when matted like 
felt, &e. 
62. But thinly scattered hairs make the surface Acrsute 
when they are long; pzlous, when short and soft; Aispzd, 
when short and stiff, &e. 
60. How are plants clothed? 
61. Define the term pubescent; villous, &, 
62. Define the term hirsute; hispid, &e. 
