37 
1. Ch. Macropogon Al. Br. — Neuholland. 
2. Ch. barbata Meyen.; valida, ramosa, ecorticata, glaucescens, 
diaphana, flezilis; vertieillis 5—8 radiatis; involueri spinulis nume- 
rosis (eireiter 12), elongatis, cuspidatis, biserialibus, superioribus 
patentibus, inferioribus triplo brevioribus, deflexis; ramentis caulem 
latitudine aequantibus, pauei- (3-) articulatis, ad genicula apiceque 
longe bracteiferis; internodio basali longissimo, proximo triplo lon- 
giore; bracteis 6—7, verticillatis, elongatis, cuspidatis; nucala late- 
rali, magna, caule fere duplo latiore, subglobosa, 10-striata, solitaria, 
adnexo utringue antheridio ; coronula acuta. Monoica. — Deutsch- 
land: Berlin, Erlangen. 
3. Ch. spinosa Amiei. — Italien. 
4. Ch. alopecuroidesDelile; ecorticata, subsimplex, rigido, tenas, 
obscura, opaca; vertieillis 5—8-radiatis, interstinetis ramulis verticil- 
liferis; involueri spinulis 8S—13, acicularibus, elongatis, patentibus 
deflexisque; ramentis patenti-incurvis, 3—5-artieulatis, apice simpli- 
eibus vel rarius - bracteifero-cornieulatis; internodiis infımis passim 
tumidis, exsiccatis dilatalis, basali proxima subaeqguante; bracteis ad 
omvia genicula, 5—6, verticillatis, subaequalibus, elongatis, nucula 
multoties longioribus; nucula denium ovali, 11-striata; coronula ob- 
soleta. MMonoica. — Ch. papulosa Walir. Ch. Pouzolsii Al. Br. 
Ch. harbata Fries. — Italien; Frankreich; Dänemark; deutsche Ost- 
seeküste; Norwegen. 
B. Imberbes. 
Involueri aculeoli brevissimi, in nonnullis vix conspieui, Anthe- 
ridia extrafoliacea, 
+ Divicae. 
5. Ch. plebeja R. Brown. — Neuholland. 
6. Ch. australis R, Brown. -— Neuholland. 
+7 Monoicae. 
7. Ch. corallina W illd. — Ch. furcata Roxb. — Ostindien, Trankebar. 
8. Ch, Braunü Gmel.; ecorticata, flexilis, diaphana ; vertieillis 9 
—10-radiatis; involucri aculeolis subulatis, uniserialibus, erecto-pa- 
‚tentibus, diametro caulis brevioribus, cireiter 20, bracteas latitadine 
subaequantibus; ramentis ad genicula constrietis, 3—4 articulatis, 
usque ad apicem bracteiferis, internodio basali prozima subaequante, 
terminali breviore, apice bracteifero-corniculato; bracteis 6—10, su- 
bulatis, nuculam subaequantibus, aversis binis saepius brevieribes 
sibi invicom suboppesitis; nuculis lateralibus, suhsolitariis geminlave 
obovatis, 8 9-atriatis; coronula abbreviata, trancata, Moneies. =: 
