1714 Eu-Floridese, Hildenbrandtiese, Hildenbrandtia. 



piriformia vel oblongo-elliptica, irregulariter ac oblique cruciatiui vel 



zonatim divisa. 



Ohs. Algfe aquaruui dulcium et maris incohTe, horizontaliter ex- 

 pansjB, sanguine?B, roseo-coccinea3 vel fuscescentes. Hiidenbrandtieis 

 adscriptiX3 sunt alg;e, qua3 transitum eniciunt inter Squamariaceas 

 et Corallinaceas, cum his fructu ') valde congruentes, cum illis 

 fronde crustacea adnata. 



HILDENBRANDTIA Nardo [1834] in Isis XX VI], p. 675 ') (Etym. a claro 

 medico vindobonensi F. Hildenbrandt), Zanard. Synops. Alg. p. 135, 

 Menegh. in Mem. Riun. Nat. Padova 1841, p. 10, Kuetz. Phyc. 

 Gen. p. 384, Sp. p. 694, J. Ag. Sp. II, p. 493, Epicr. p. 378, 

 Ardiss. Phyc. Medit. I, p. 230, Hauck Meeresalgen p. 38, Engl. & 

 Prantl Natiirl. Pflanzenfam. (1897) p. 514, Erythroclathrus Liebm. 

 11830] in Kroyers. Tidskr. 1839, p. 169, Rhodijtapium Zanard. 

 [1843] Saggio pag. 16 in adnot. [pro specie aqute dulcis instit.]. 

 — Frons horizontaliter expansa, inferiore pagina arctissime adliffi- 

 rens, superiore fructifera, cellulis subangulato-cubicis in liueas 

 horizontales et verticales seriatis, contexta. Tetrasporangia in cry- 

 ptis superficialibus late apertis circumcirca disposita, oblonga, intra 

 perisporium hyalinum varie quadridivisa. 



Obs. Frondes saxis arctissime adnatas, tenue crustaceae, maculas 

 sanguineo-rubentes semulantes, juveniles orbiculares, sensim expausi^e 

 et pluribus confluentibus ambitu irregulares, ccllulis minutissimis 

 tot;e contextfe. Celluhe arctissime concretse, rotundato-^iuadratcB, a 

 superficie observat;e nullo ordine fere disposita^, sectione verticali 

 in lineas et verticales et horizontales seriat» adparent. Infra su- 

 perficiem paginee superioris cryptse numerosse excavatae sunt, ostiolo 

 latiori aperta^, rotundata?, ad parietes circumcirca tetrasporangiis 

 versus centrum convergentibus, dense obsita^. Paraphyses nullae 

 (semperne?). Tetrasporangia densissime disposita, oblonga, nucleum 

 oblongum, zonatim aut cruciatim divisum, intra perisporium con- 

 spicuum hyalinum foventia. 



1. Hildenbrandtla Prototypus Nardo in Isis (1834) p. 675, Hauck Mee- 

 rcsalgen p. 38, f. 9, Ilildcnbrandtia Nardi Zanard. Synops. p. 136, 



') De tVuctu cfr. etiam Hansgirg, Prodr. Algenfl. von Bohmen I, p. 26. 

 2) Nomen generis vario modo conscriptum, scilicet llildbrandtia, Hilde- 

 brandtia, Ilildenbrandia, Uildenbrantia, Ilildenbrandtia. 



