CVIII. 

 EQUISETUM ARVENSE. 



Common Horse-tail, 



ClassXXYV. Cryptogamia. — Order II. Equisetaceje. 



Nat. Ord. Equisetace^. 



Gen. Char. Fructifications terminal, in spikes, com- 

 posed of peltate polygonous scales, producing on the 

 under surface from four to seven involucres, which 

 open longitudinally, and contain numerous globose 

 bodies (capsules ?), furnished at the base with four 

 elastic filaments, thickened at their extremities. 



Spec. Char. Sterile stems decumbent, with simple 

 branches, slightly scabrous, with about twelve striae ; 

 sheaths with about twelve lanceolate-subulate teeth. 

 Fertile stem without branches, its sheaths remote, 

 loose. 



SYNONYMES. 



Greek 



Latin. . 



imrspis, Dioscorides ? 

 f Equisetum arvense longioribus setis. Bauh. Pin. 533. Park. 

 Theatr. 1202. Rati Syn. 130. 



Equisetum segetale et sylvaticum. Ger. Em. 1114. 



Hippuris minor absque flore. Dod. Pempt. 73. f. 2. 



I Equisetum arvense. Lin. Sp. PI. 1516. Eng. Fl. iv. p. 337. 



I Eng. Bot. 2020. 



French Pr61e des champs; Queue de cheval des champs. 



Italian Equisete ; Coda di cavallo. 



Spanish — Equiseto; Cola de caballo. 



Portuguese. Cavolinha ; Equiseto. 



German.... Kannenkraut; Schlachtholm ; Pferdschweif. 



Dutch .... Hermoes ; Paardestaart. 



Danish Hestehade. 



Swedish . . . Roefrumpa. 

 Polish .... Koszcka. 

 Ritss Cchwostch. 



