MONOECIA— TETRANDRIA. Urtica. 135 



U. n. 1615. Hall. Hist. V. 2, 287. 



U. minor. Raii Sijn. 140. Ger. Em. 707. f. Brunf. Herb. v. 1. 



154./. Fuc/is. Hist.lOS.f. /c. GO./. 

 U. minor acrior. Lob. Ic. 522. f. 

 U. tertia. Matth. I'cilgr. v. 2. 471./. Camer. Epit. 863./. bad. 



Dalcch.HisL \244. f. 

 Small Nettle. Petiv. H. Brit. t.].f.\0. 



In all cultivated ground, a troublesome weed, especially on a light 

 soil. 



Annual. June — October. 



Smaller than the last, and of a much brighter green j its copious 

 sti)igs hardly less virulent. The several parallel ribs of the 

 leaves form its distinguishing character. Stipulas linear, re- 

 flexed. Clusters oblong, scarcely branched, each bearing many 

 barren, as well as fertile, Jlowers. Cal. of the latter ovate, a 

 little compressed. 



3. U. dioica. Great Nettle. 



Leaves opposite, heart-shaped. Clusters much branched, 

 in pairs, mostly dioecious. Roots creeping. 



U. dioica. Linn. Sp. PI. 1306. IVilld.v.A. 352. Ft. Br. 1016. 

 Engl. Bot. V. 2o.t.\ 750. Curt. Lond.fasc. 6. t. 69. Huok. Scot. 

 271. FLDan.t.746. 



U. n. 1614. Hall. Hist. V. 2.286. 



U. racemifera major perennis. Raii Syn. 139. 



U. urens. Ger. Em. 706./. 



U. sylvestris asperior. Lob. Ic. 521 ./. 



U. major. Brunf. Herb. r. 1 . 15 1 ./ Fuchs. Hist. 107. f. Ic 59. f. 



U. secunda. Matth. Valgr. v. 2. 470./. Camer. Epit. 862. f. Da. 

 lech. Hist. 1245./: 



Great Nettle. Petiv. H. Brit. t.\.f. 9. 



In waste ground, whether open or shady, and under hedges, very 

 common. 



Perennial. July, August. 



Root branching and creeping, with fleshy shoots, and many fibrous 

 radicles. Herb of a duller green than the last, erect, 3 feet high, 

 with less irritating stings. Leaves large, spreading, pointed, 

 strongly serrated, veiny. Clusters numerous, much branched, 

 manv-flowercd. Fl. on one root chiefly barren • on another 

 mostly fertile. Cal. of the latter occasionally with 2, or more, 

 supernumerary leaves. 



The fibres of the stem may l)c manufactured like hemj), and are 

 often found in winter naturally sci)arated and bleaclied. 



