— 280 — 
tibus, superioribus codem usque duplo longioribus, ramulis sub- 
secundis, sporocarpiis pyriformibus. 
Conferva pulvinata Aoth. Cat. 4 p. 187. t. 5. f. 4. — Cat. 9. 
p. 914. 
Hutchinsia pulvinata 4g. Sp. v. 2. p. 109. 
Polysiphonia pulvinata Zarv. Man. p. 94. — 41g. Scand. exs. 
n. 60. 
In scrobiculis rupium aquam marinam excipientibus, ab Hal- 
beer saltim boreali per totam oram Bahusiensem usque in 
Roster, frequenter. Jul. — Sept. lecta. 
Caespes apud nos coloris purpurei |]. subdilute flavescen- 
tis, uncialis, subbaemisphaericus l. pulvinatus, basi unciam et 
supra diametro metiens. [nterstitia. media in meis saltim speci- 
minibus diametro sesquilongiora, superiora vero idem saepe 
2plo longitudine excedentia, sub microscopio visa tristriata. 
Rami ramulique plus minus secundi l. subsecundi. — Sporocar- 
pia in speciminibus DBahusiensibus a me nunquam | inventa. Ab 
extera planta nostra ceterum aberrat thallo eximie catspilgsqr 
pulvinato articulisque brevioribus. 
Dt mA TP 
11. PorvsienowiA UvncEOLATA AJHlw. 
Thallo quadrisiphoneo capillari vix attenuato ramosissimo , 
ramulis patentibus l. recurvis, interstitiis inferioribus  diame- 
tro &—Oplo longioribus, superioribus eodem sesquilongioribus 
l. subaequalibus, sporocarpiis subpodicellatis pyriformibus poro 
in rostrum producto. 
Conferva. urceolata Dillw. Intr. p. 82. t. €. 
llutehinsia. urceolata look. F!. Scot. —- Lyngb. Hydr. p. 119. 
(54. d. — dq. Sp. v. 2. p. 71. 
Polysiphonia urceolata Zook. Engl. FT. 
Conferva patens. Dillw. Futr. p. S4. t. 6. 
Hutchinsia patens 24g. Sp. v. 2. p. 71. 
