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174 



From 1 -2-poIlicari$, habitu Heringtae mirabiliSy caespitosa, erecta, 

 rigidiila, teres, siccata riigulosa, a basi dichotonm. Rami frondi conformes, 

 vix tenuiores , divarlcati , angulis obtusiusculls , ultimi brevissimi , obtusi. 

 Friictns in raraulis terminallbus propriis, cum fronde articulatis. Sphaero- 

 sporae et favellidia? in distinctis speciminibns, illae infra stratum corticale 

 exacte ut in Dzcran. filiformi; glomerulus oblongus seminum subpyrifor- 

 mium in apice rainuli nidulans, Semina placentae centrali affixa sunt. Co- 

 lor frondis purpnrascens, siccatae nigrescens , apicibus spliacellatis. Sub- 

 stantia cartilagmea, tehax. 



Subtrib. V. COCCOCARPEAE. ' , 



ACROCARPUS Kiitz. phycoL gener. p. 405. 



1. Acrocarpnj^ ramelloiSilllS AmVs, setaceus decumbens 

 irregulariter ramosus, ramellis fructiferis lateralibus splia- 

 cellatis. Kiitz, 1, c- 



Acrocarpus lateralis Kiitz. L_ c. p. 373. (in atlnotatioiie). 



Ad conchas et inter caespitcs Jania^ anteimtnae in litore occidental! Novae 

 Hollandiae. Herb. Preiss. No. 2559. 



Frons tenuissima seniipollicaris vel poUicaris, teres, filiformis, ramis 

 conformibus, erecto-patulis, acutis, bine inde siibdichotome divisis. Eamelli 

 fructiferi minuti, laterales, saepius cum rauiis alternantes, cylindrici vel sub- 

 clavati, sub strato corticali sphaerosporas sphaericas nucleo triangulatim 

 quadridiviso includentes. Favellidia ignota. Structura: cellulae corticales 

 minutae, internae elongatae, parenchymaticae. Substantia frondis cartila- 

 gineo-cornea. Color purpurascens, apice pallidlor, ramellorum fructiferorum 



nigrescens. 



GELIDIUM Lamourx. Endl. gen. snppl. III. 



n. 122/46. 



1. $jrelidiiilll COrnenm Lamourx. fronde cartilai^ineo- 



comea distiche ramosa, segmentis compresso-planis linea- 

 libus bipinnatis, pinnis oppositis patentibiis obtusis, capsulis 

 ellipticis lateralibus pedicellatls, Lamouivs. 



Sphaerococcus corneus Agardh. spec. L pag. 280. 



In Novae Hollandiae ora occidentali. Herb. Preiss. No. 2560. 



2. Oelidinitl Oppositifolinitl GrevilL caule filiformi 



compresso bi-tripinnato, pinniilis oppositis pectinatis siib- 

 dicliotoniis linearibus angustissimis. Grevill. syn. LVIII. 

 Sphaerococcus opposilifolms Agardh. spec. I. pag, 294. 



Ad Novae Hollandiae cram occidentalem. Herb. Preiss. No. 2561. 



Specimen nostrum pedale, caule subcorapresso, sesquilineam lato. Pinnae 

 iuferiores polHcares, intermediae bipollicares, snperiores sensim breviores. 

 Fructum non vidi. 



3. Oelidilim Incidom Sond, fronde cartilagineo-mem- 



branacea inferne tereti niox plana llneari costata, costa 

 apice evanida, ramis bi-tripinnatis, pinnis alternis opposi- 

 tisve, pinnulis obtiisiusculius. 



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