1. EQUISETUM. Lin. 
Receptacula peltata in spicam conferta, subtus capsulis pluribus corniculatis membranaceis, 
postice longitudinaliter fissis obsita. Semina subrotunda basi filis quatuor Elasticis apice 
clavatis adnexa. 
1. EQUISETUM elongatum. Willdenow. 
Eq. frondibus subduplicato-ramosis, ramis subternis scabriusculis sexsulcatis spicife¬ 
ris, vaginis cupuliformibus 6 — 12 dentatis, dentibus acuminato - aristatis, spicis mucronatis. 
6p. pl. ed. W. 5. p* 8 ? Vauch. Monogr. p. 34. t. 13./*. 3 et 4. 
Equisetum ramosissimum Desf. atl. 2. p . 398, Vauch. Monogr* p. 41. t. 6. 
Equisetum incanum Vauch. Monogr . /?. 34. 13. 1 2. 
Equisetum hiemale Z?o7;y Voy. 2. p . 100. 
Equisetum giganteum Thbg. Cap. / 7 . 731 ♦ exc/. 
Equisetum Thunbergii Wikstrom in Kongl. Vet. Acad.Handl. 1821. 2. 6. 
Equisetum Burchellii Vauch. Monogr. p. 47. £. 10. y. 1 2. 
Equisetum illyricum Hoppe in schedula. 
Provenit in arenosis humidis, saepe, ad littora maris et ad ripas fluminum, Europae 
meridionalis, scilicet: Viennae (Beyrich v. sp.), Venetiis (Willdenow v. sp.), Tergesti (Hoppe 
v. sp,), ad lacum Gardensem (Beyrich v. sp.), Bordigalae (Bory v, sp.); insularum Canarien- 
sium (d. Buch v. sp.); ad fontes montium Sinai (Ehrenberg et Hemprich v. sp.); Africes 
borealis ad radicem montis Zowan apud Tunetanos (Desfontaines V. sp.), Africes australis 
ad Chamka et Olifantsrivier in promontorio bonae spei (Mund et Maire v. sp.); insulae 
Borboniae ad lacus majoris ripas (Bory v. sp.). 
A 2 
