288 



a. Caulis strigosus s. aculeolatiis. 



10 Ch. scoparia: Cccspitosa, densa; caule corticato, aequaliter 



sulcato; aculeis raris, sparsis, tenuibus, spinulis involucri 

 multoties angustioribus, diametro caulis brevioribus ob- 

 sito; verticillis approximatis, interstitia caulina subasquan- 

 tibus, 7 — 10-radiatis, summis subfastigiatis; involucri 

 spinulis uniserialibus, deflexis, dilatatis, apice cuspidatis, 

 caulis diametro paullulum longioribus ; ramentis patentibus, 

 caulem crassitie aequantibus vel latioribus, geniculis con- 

 strictis, 3 — 4-articulatis, usque ad apicem bracteiferis; 

 internodio basalt jjroximis breviore; apice ramentorum multi- 

 corniculato, corniculis fasciculalis, cuspidatis, passim di- 

 visis; bracteis verticillatis, inaequalibus, cylindricis, cuspi- 

 datis, nucula vix longioribus, aversis binis abbreviatis, ap- 

 proximatis; nucula oblongo-subcylindrica, circiter lO-stri- 

 ata; coronula tenuiter dentata, dentibus expansis. Monoica. 



Ch. scoparia. Batier ap. Moessl. — Al. Braun, Monogr. 



I. c. — Ganterer 1. c. — Rabenh. 1. c. — Kiitz. Sp. Alg. 

 Ch. Baueri. Al. Braun, Schweizer. Ch. 

 Fig. Reichenb. Iconogr. Tab. 802, 803, fig. 1082. 1083. 



1084 och 1085 (Ch. coronata). — Ganterer I c. fis,. VII. 



Tyskland, Berlin! Bauer; Uiiter-Käratheii vid 

 S:t Aiidrae, Ganterer; vid Scliweriii, Fiedler; i Nie- 

 der-Lausitz, Rabenh. 



Gulgrön, saftig, grof och Ijock, efter torknin- 

 gen mörkbrun, näslan svartaktig. Stjelkens strim- 

 mor få (omkring 10 — 11). Utan inkrustation. 



Beichenbach har sammanblandat denna art med 

 Ch. Braunii. 



11 Ch. HoRNEMAXNii : dilute viridis, glaucescens; caule corticato, 



simpliciusculo, spiraliter striato, strigoso, aculeis vesicu- 

 losis, deflexis, suporioribus diametro caulis brevionbus; 

 interstitiis caulinis elongatis, inferioribus nudis; involucri 

 spinis sublO, uniserialibus, patentibus, subcylindricis, tu- 

 midiusculis, apice obtusatis, mucronatis, bracteis latitudine 

 asqualibus, diametro caulis multoties longioribus/ verticillis 

 patentibus, sub8-radiatis; ramentis caule vix angustiori- 

 bus, pauci-articulatis, nudis, monosiphonicis, usque ad api- 

 cem 



