l4o rUYI'TOCiAV.VF. VASC UI.ARF.S l,If. VSTIDAK ET< . 



s|)orangia j-- uieinhranacea latere iiiteriori longiliulinalilcr lissa gcrcnlia : 

 sjiorae miim-rosissiinae globosac apiculalac, filis binis lUrinquc apicc spa- 

 llinlalis ill cruceiii disposilis , ac circa spoiam spiralilcc coiivolulis, sic- 

 cilalc daslicc rcsiliciililjus Aillae. Aiillicridia liiiu- |ii'olliallii lobulis apicc 

 iiisiclcntia. — lllii/.oma aiiiculatinn iiiilcilniluin: canlis simplex, \el ra- 

 niosus ad arliculos vaginaliis, rainis, raimdisquc \cilicillalis. 



Plaiitac paluslrcs, lacuslics, (liivialilcs , iicc iiou in locis arcnosis, ar 

 eiicclosis, duunnodo humiiliusculi sint, occuri'cnles. Species oinues, tpiae 

 ad Horam italicam speclant ( E. liinoso usqueliac exccplo ) lloram ligu- 

 ■ilicaui paiilcr inlraiil. 



EQUISETUM L. Cicn. 1 1G9. 



(Miaracler idem ac ordinis. 



Sect, i.' Di/Jiwmiii: caules lerliles tcncri , dccolores simplicissimi; 

 stei-iles duriores , \iridc.s, raiiiosi. 



Sllbsecl. i." Ilystfrdiithid: canlcs ("cililus |)i-aecoces, cilo evanescenles; 

 sleiilcs seriores aeslatein pcnlurantcs. 



E. ARVE>SE L. 



Caulium fertiliiim vagiiiis luil)iiial()-lubulosis , vol lurbinalo-subcam- 

 panulalis, profunde tlcnlalis, denlibus 8-12 acuminalis rigidulis liinc inde 

 coliaercntibus : caulibus stcrilibns supra medium vcrliciilalo-ramosis, lamis 

 (|uadrangulis simplicibus ; \agiuaruiii pi-imariarnm denlil)us geuiinalim coa- 

 lilis , dentcsquc qnaluor late ovulos alibreviatos eirormaulibus ; vaginis 

 secimdariis quadridentatis, dentibus acuuiinalo-setaccis apiee reflexis; spica 

 nvato-oblonga , oblusa. 



E. (iiven.se L. Sp. i5i6. Ai.i.. Ped. 2. p. 281. N\ ii.i.n. Sp. 5. p. r. K. Syn. 

 ed. 2.' p. 964. a. et y. Loisl. Gall. 2. p. 357. 



ic. Bolt. fd. 62. t. 34- ex Loisi,. 1. e. — Lam. ill. pi. 862. f. 1. 



Exsicc. MouG. et Nesti.. Vo". rlien. 3. n. 20 r ! 



In arvis et pralis limosis, huincnlibus([ue frequcns. 



Fnictif. Apr. Alaj. If. 



Ohs. Vaginae caulium slerilium variant discolores, tubo nempe pal- 

 lide virenti, dentibus fuseis; vel fiisco-atro concolorcs: caulis quocpie 

 variat ercctus, deflexus, vcl omnino deeumbens. 



E. Telmatej.v Ehrh. 

 Vaginis caulium fertilium amplis campanulatis internodium laxe am- 



