— 355 — 
XLI ASPEROCOCCUS ZLae«nmour, 
Thallus membranaceus, mesenteriformi-tubulosus, simplex, 
strato interiori cellulis majoribus rotundatis, et exteriori cellu- 
lis minoribus subrectangulis formato constructus. Sporocarpia 
punctiformia per thallum inordinate sparsa. 
1. AsrrEnococcus nurtLosus Lamour. 
Thallo inflato cylindrico l. elliptico basi rotundato 1. ab- 
rupte attenuato apiceque obtuso. 
Asperococeus bullosus Lamour., ess. p. 62. — 
Gastridium. Opuntia Lyngb. Hydr. p. 74. t. 18. 
Encoelium bullosum 4g. Sp. — J. 43. JVov. p. 16. 
Asperococcus Turneri Hook, Engl. Fl. — 4g. Scand.exs. n. 6. 
Phyceis tenuioribus insidens in fundo conchifero 1—6-orgy- 
ali plus minus intrataeniensi, ab Hallandia boreali per totam oram 
Bahusiensem, v. c. ad Hónó, Grundsund, Grafvarne, Roster in 
Segesáta, Norvegicamque saltim usque ad Molde. — Jul. — Sept. 
Thallus rarius elliptico-vesicaeformis, plerumque valde e- 
longatus i. e. unciam saepe latus et 8 pollices usque 5 pedes 
longus, v. c. in Segesáta prope Roster, ubi haec species ma- 
xime luxuriat, stipite 1-2 lineas alto capillari. Color viridi- l. 
flavescenti-olivaceus. 
9. AsPeEROCOCCUS ECHINATUS DMert. 
Thallo fistuloso' filiformi-lineari basi longe attenuato apice- 
que subobtuso. 
Conferva attenuata. Mert. in Roth. Cat. I1I. p. 170. 
