STBUCrUBAL BOTANY. 



33 



75. By reason of certain peculiarities of their epider- 

 mis, plants and their parts are said to be : 



Cut vn. 



a, A piece of epidermis of Allium, with 3 stoinata ; b, a tabular cell, detached 

 from the epidermis of CaUilriehe. 



Pilose : hairy, bearing soft, slender hairs, as the stem 

 of Stachys palustris ; 



Pubescent or downy : bearing fine, soft hairs, or pubes- 

 cence, as Pentstemon ptibescens ; 



Puherulent : covered with fine, short, and almost imper- 

 ceptible down, as the stem of Lotdia pvheruLfi i 



Hispid: bristly, beset with stiff hairs, as Lithosper- 

 inum hirtum j 



Hirsute : hairy with rather stifE or beard-like hairs, as 

 Gonoldbus hirsutus ; 



Tomentose: covered with matted, woolly hairs, as the 

 leaves of Yerbasoum Thapsus ; 



Villous : clothed with long and soft hairs, as the fila- 

 ments of Yerbascum Thapsus ; 



Sericeous : silken with usually appressed, shining hairs, 

 Potentilla anserina; 



Glabrous : smooth, without pubescence of any kind ; 



LoEvigate : smooth, as if polished ; 



