399 



elongato-ovalia (propagula J. Ag.j. E multis hujus specici 

 formis duae tnntuin in gcncre memorandie: alt era coloris in- 

 trusions, filisquc in I'liniciilos compactissimos ramosos, ra- 

 iiiis subclavatis, implexis; altera coloris l;Hiori.s filisquc in fu- 

 niculos laxiorcs ramosos, ramis scnsiin attcnuatis, laxe intortis. 



2. ECTOCAUPUS FIRMUS J. Ag. 



Thalli olivacco-fusccscentis filis snblihcris rainosissimis, 

 ramis ramulisqiic altcrnis, ultiinis fasciculato-cxpansis \agis, 

 pcrigonidiis (usiloriniliiis incdio rainuloruin innatis. J. Aq. I. c. 



Ectocarpus siliculosus var. firmus Afj. Sp. v. 2 p. 58 /J. Ay.J. 

 Ectocarpus littoralis llarv. Man. p. 40 (sec. J. Ag.). 

 Ectocarpus firmus J. Arj. Spec, et gen. p. 23. 



Variis Phyceis adnasccns , cum in extcriobus turn in interio- 

 ribus sinuum partibus, a Freto baltico per totam oram Scandi 

 uaviic occidentalem, saltiiu usque ad Cbristiansuud. Acstate tota. 



"Cetcris omnibus specicbus firmior, casspitcs format 5-6- 

 pollicarcs ct aliquando pedalcs, ex olivaceo 1. ferrugineo- fu- 

 sccscentes, chartie laxius adb;crentes. Fila rigidiuscula ramo- 

 sissima; rami subfasciculati, f'asciculis autem cxpansis. Ramuli 

 ultimi aeque ac inferiores alterni aut vagi. Propagula" (peri- 

 gonidia nobis) "pedunculo ipsis sublongiori sufl'ulta, (aut rectius 

 in incdio ramo intunicsccntia) ct rauuilo tcrminata, sunt elon- 

 gato-ovalia, utrinquc fere aeque attcnuata". J. Ag. I. c. 



5. ECTOCAUPUS SILICULOSUS Ag. 



Thalli flavcsccnti-olivacci filis libcris ramosissimis, "ramis 

 ramulisqiic altcruis, ultiinis clongatis distantibus alternis aut 

 sst-pe secundis," pcrigonidiis extcrnis "breve podiccllalis conicis 

 ad ramulos vage (subsecunde) dispositis". J. Ag. I. c. 



