102 Ceramie.e. Plilota. 



II. Pt. formosissima [Blont. Prodr. Ph. ant. p. 8) frondis dccom- 

 posito-pinnata} pinnis in racliide ancipite aitprnis, pinnulis piii- 

 natifidis, pinnellis corticalis a hasi latiore atteniiatis serralis, 

 splicXMOsporis marginalibiis sinijulis, pediceilo raonosiplionio 

 sulTultis, favellis in pinnula sessilibus, involucri foliis 4 pin- 

 natifidis. 



Pt. formosissima Mont. l. c. Voy. au Pole Sinl Crypt. p. 97 lal). 9 

 fig. 3! Hook. et Harv. in Crypt. antarct. p. 78 tab. 77! 

 Euptilota formosissima Kiilz. sp. p. G71 ! 



llab. in Oceano anstrali ad insulas Auckland CD'UrvilIe, Iloo- 

 ker etc.) 



"Radix calliis exiguus. Frondes aggrcgatcT 6— lOunc. long.T, 4 — 61at3e, 

 flabelliformcs. Caulis basi teres, mox plano-compressus, linearis vel u- 

 trinque subattenualus, ^a — 'l/^bn. latiis, distiche ramosissimus. PinnsB 

 yunc. longae, alternfe pinnatsc v. bipinnatas-, pinnubs brevibus, alternis, 

 patentibus, serratis v. pectinalis, apioe subacutis. FavclliB sessiles, in- 

 volucro quadrifobato pectinato cincta>, spha^ricae, sporis minutis angulatis 

 farctae. Sphaerosporae marginales, pedicellatc-e, globosae, demum i-partitc-e. 

 Color amoene puniceus. Substantia cartilaginea, firma. Chartce laxe ad- 



haeret." 



"Caubs non slricte articulatus dicendus, sed costa evidcnti articulata 



percursus." Uook. et Harv. l. c. 



Yla. Thamxocarpus Harv. in Hook. Icon. Plant. Vol. III. tab. 662. Ilook. 



el Harv. Alg. Tasm. p. 12. Carpothamnion Kulz. sp. p. 668. 



"Phycoma libforme ramosum, ex axi centraii articulato stratis duobus 

 cincto compositum. Stratum pericentrale longitudinaliter iibrosum, cor- 

 ticale parenchymalicum, cellulis minoribns rotundato-angulatis formatuni. 

 Rami ol)sessi ramellis fruticulosis fructiferis ramosis callithamnoideis, uni- 

 cellularibus. Tetrachocarpia singularia lateralia." 



Genus mihi plane ignotunr, quoad fructus Heterocladiae analogum a 

 Harvcy primum judicatum, dein ab ipso Cernmieis relatum. 



1. Th. Gunmanus (Harv. in Ilook. Icon. tab. GG2) caule 3-4"longo, '/^"' 



crasso, irregulariter ramosissimo, ramis superioribus creberrimis sub- 

 fastigiatis erecto-patentibus, lcrminalibus ramulos fructiferos laxe 

 sparsos gerentibus-, ramulis penicilliformibus basi solidis, ramellis 

 nniccllularibus divaricalim ramulosisj ramellulis acutis, breviter arti- 

 culatis, articulis diametro aequalibus vel duplo longioribus. 

 Carpothamnion Gunnianum Kiitz. sp. p. GG8. 

 Hab. ad Van-Diemens-Land. 



2. Th? Lauuencia CHook. et Ilarv. Alg. Tasm. p. 12) purpureo-coccineiis-, 



caule cartilagineo-fdiformi basi cylindrico apicem versus subcompres- 

 so ramosissinio- ramis alternis erecto-palentibus disticliis, iterum 

 divisis, ramulis ianceolatis. 



