276 Eu-Floridese, CallymeniesD, Callopliyllis. 



anastomosantium reticulum sat conspicuum inter cellulas quasque 

 proximas formantium. Cystocarpii nucleus, nucleolis plurimis com- 

 positus, continetur filis reticulatim anastomosantibus et quasi his 

 intercedentibus in nucleolos numerosos subdivisus permanet, filis 

 anastomosantibus intra cellulas majores rotundatas iiitroductis et 

 quasi placentas formantibus, ipsis carposporis rotundatis minutis 

 intra spatia, cellulas rotundatas antea referentia, initio conglobatis 

 demum subliberis et extra nucleolos plus minus evagantibus, 



Sectio U. Froiide plana, angustiori, subdiehotoma, a margine dcntata aut (\QVi- 

 tibus excrescentibus majoribus laciniata; cystocarpiis disco segmentorum 

 immersis. 



5. Callophyllis alclcornis J. Ag. Alg. Liebm. p. 13, Sp. II, p. 399, 552 

 Epicr. p. f;;29, Bhodomenia alcicornis J. Ag. Symb. II, p. 447, 

 Kuetz. Sp. p. 779. — Fronde di-tricbotoma, sul)fastigiata, segmeu- 

 tis anguste linearibus, margine intequali sparsim denticulatis, ter- 

 minalibus supra sinum rotundatum interiore latere integriusculis, 

 exteriore dentato-laciniatis, laciniis acutiusculis; cystocarpiis per 

 frondem sparsis, disco immersis. 



Hab. ad oras Novae Hollandi9e (Herb. Diesixg). — Frondes a 

 callo minuto exsurgunt 5-6 cm. altce, dichotoma^, raro trichotoma?, 

 fastigiatse. Segmenta margine valde inceiiuali quasi erosa, 3-4 mil- 

 lim. latitudine vix superantia, superiora angustiora, linearia vel 

 infra trichotomias subcuneata, supra axillas rotundatas arcuatim 

 convergentia, interiore latere plerumquc integra, exteriore erosa 

 aut dentibus sparsis acuminatis simpliciusculis dentata, nonnulla 

 utrinque laciniata. Cystocarpia media fronde immersa, sparsa. 

 Substantia tenuissime membranacea. Color carneo-purpurascens. 

 Specimina exsiccatione chartas arctissime adhserent. 



6. Callophyllis cervicornis Sond. in Linnrea XXV, p. 678. — Fronde 553 

 di-trichotoma, segmentis anguste linearibus, integerriinis vel hinc 

 inde dente subulato integro bifidove instructis, superiorilms secuu- 

 datis abbreviatis acute 2-3-dentatis; cystocarpiis disco segmento- 

 rum supremorum immersis, demum poro pertusis. 



Hah. ad « Encounter Bay » Nov?e Hollandite. — Frondes e callo 

 minuto plures, 5-8 cm. long», supra l)asin latiorem 2-4,5 millim. 

 latce. Segmenta nunc dicbotoma nunc trichotoma vel irregulariter 

 alterne pinnata. Dentes minuti, sparsi, subulati, acuti vel bifidi aut 

 subramulosi, hinc inde in margine segmentorum pricsentes. Seg- 

 menta superiora vel exteriora secundata, circ. 1 millim. lata, ulti- 



