riAlRS (TRICHOMES). 



the surface of the c-gan from ^L■cl. he L p/oZ'^'l' ^°°' ''^^ ^^^'^ 

 formed ,s usually covered ,vith thick layers of tissue t'j. '■°°^' "'''^" J«' 



"s further growth. Hence the roots are , va ' ;,"; " f '"''" "^™"''^ - 



character they are distinguished fron. all trichomesT, dT"" T"''™^' ^>' ^^'^'^'^ 

 shoots. '="°'"'=s and leaves, and from most lateral 



vascufarbUr.'^ld'^herV'^": ''^ '"^"^ °^ "■''^" '-^ P— <^ b^ fi"- 

 C.yp".og:^r" ""^ "■P^'=^^"'" "^^^^"^^ " ^W-- '» fi' "« p„„,a.y root of the e„,b,,o of Vascular 



