▁Mat j ies f onte in ▁and ▁back ▁to ▁Cer es . ▁ ▁In ▁ 1 8 8 2 ▁he ▁became ▁a ▁professor ▁at ▁L viv ▁University , ▁while ▁from ▁ 1 8 8 4 ▁to ▁ 1 8 9 7 ▁he ▁was ▁botan ist ▁and ▁lect urer ▁at ▁the ▁V eter inary ▁College . ▁From ▁ 1 8 8 7 ▁he ▁was ▁Dean ▁of ▁the ▁Fac ulty ▁of ▁Philosoph y ▁and ▁in ▁ 1 8 8 8 - 8 9 ▁the ▁re ctor . ▁He ▁was ▁a ▁member ▁of ▁the ▁Scient ific ▁Society ▁in ▁Krak ow , ▁the ▁phys i ographic ▁Commission ▁of ▁the ▁C rac ow ▁Academy ▁of ▁scholar ship ▁and ▁the ▁Natural ▁Science ▁Nicholas ▁Cop ern icus ▁Society , ▁serving ▁as ▁president ▁in ▁ 1 8 8 8 - 8 9 . ▁In ▁ 1 9 1 0 ▁he ▁retired . ▁ ▁During ▁his ▁work ▁and ▁travel s , ▁he ▁collected ▁enorm ous ▁amounts ▁of ▁her b arium ▁material . ▁To ▁this ▁day ▁his ▁spec im ens ▁may ▁be ▁found ▁in ▁her bar ia ▁around ▁the ▁world , ▁including ▁those ▁of ▁Krak ow ▁and ▁L emberg . ▁He ▁described ▁several ▁new ▁plant ▁tax a , ▁including ▁a ▁variety ▁of ▁the ▁her b ▁w orm wood ▁( Ar tem is ia ▁ab sin th ium ▁L . ▁var ▁calc igen a ▁Re hm .) ▁that ▁is ▁considered ▁en demic ▁to ▁the ▁P ien iny ▁mountains ▁and ▁is ▁on ▁the ▁Red ▁list ▁of ▁threatened ▁plants ▁in ▁Poland . ▁ ▁Publications ▁Tra vel