DE LA FAMILLE DES URTICEES. 



349 



URTICACE/E. 



CASTANEARUM genus Adans. — SCARRIDEARUM gen. Linn. - UR- 

 TIGARUM gen. Juss. — URTICEARUM gen. DC. — URTICEiE 

 R. Br.,Brongn., Adr. de Juss., etc. — URTICEARUM sect. Gaudich. 

 — URTICACE/E Endlich.,Meisn., Lindl., etc.— URTICEARUM trib. 



Spach, Planch. 



Conspectus tribuum. 



Stirpes pilis urentibus s. stimulis armatae ; 

 perigonio femineo saepius insequaliter 4- 

 partito v. 4-lobo ; foliis al ternis v. oppo- 

 sitis I. Urere.«. 



Flores 

 masculi 

 4- v. 5-an- 

 dri, raris- 

 sime 2-v. 

 3-andri. 



'stigmate penicillato; perigonio 

 femineo plerumque 3-partito ; 

 foliis oppositis v. abortu alter- 

 nis saepequedistichis. . . . . 



II. Procride^e. 



Stirpes pilis 



urentibus 



semper 



prorsus 



destitutae ; 



/libero v. ovario 



adnatointerdum- 



que nullo: flo- 



i stigmate va-i ribus nunquam 



rio , nun-i involucro vero 



quam verel cinetis; foliis al- 



penicillato ; l ternis v. oppo- 



perigonio ] sitis III. Boehmerie.e 



plerumque I 



tubuloso , \ libero (nunquam 



orecontrac- 1 déficiente) ; flo- 



to2-4-den-j ribus plerisque 



to , illo ra- f involucro com- 



rius planef muni proprio vel 



déficiente, communi gamo- 



polyphyllostipa- 



I tis; foliis semper 



\ alternis .... IV. Parietariejî. 



Flores masculi monandri (in specie unica diandri) femi- 

 neique saepe involucrati. Stirpes pilis urentibus desti- 

 , tutse; stigmate nunquam penicillato; perigonio femineo 

 \ nullo v. tubuloso; foliis alternis oppositisve V. Forskahle^e. 



Trib. I. — URERE.E. 



Herbue, frutices (interdum scandenles) v. arbores, pilis urentibus 

 aculeisve armati. Folia alterna (5 in singulis cyclis) vel decussatim oppo- 

 sita, homomorpha aut asymmetrice diversiformia, rarissime inœquilatera, 



