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Sylloge algarum omnium hucusque cognitarum

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382 Confervoideae, Cladophoracese, Apjohnia.<br />

polygonia (ut in Valonm); tubuli (sacculi) elongati, tenues, hya-<br />

lini e VGsiculis orientes et ab iis septo discreti, vesiculas novas<br />

dein evolventes,<br />

nores.<br />

Propagatio divisione vesicuhe siiiguhe in plures vesiculas nli-<br />

1. Blastophysa rhizopus lleinko loc. cit. p. 211 et in liit. — Vesi- ^oos<br />

culis minutis, 50-120 a. diain.<br />

Jlab. ad Algas c r us ti Tor ines in sinu ((Kiol» niaris baltici<br />

(J. Reikke).<br />

APJOHNIA Harv. [1855] in Tayl. Ann. Nat. llist. ser. 11, vol. XV,<br />

p. 335, Phyc. Austr. I, tab. V (Ktym. a prof. dublinensi Apjohn<br />

et a D."^ Apjoiin, sollerti botanophiha), J. Ag. Till Algernes Sy-<br />

sternatik VIII, p. 105. — Thallus stipitatus, dendroides; stipes ra-<br />

dicatus, monosiphonius, clavatus, continuus, annulatim constrictus,<br />

transverseque rugulosus, epidermiile tenui calce donata, in iietate<br />

provecta ramis coronatus; rami confervoidei umbeUati, polycho-<br />

tomi, fastigiati, liberi, articulati, clavati, omnes basi nodoso-aiuiu-<br />

lati, succo aquoso viridissimo repleti.<br />

Obs. De hoc genere sequentia pra^ter aliud adinonet clarissi-<br />

nius J. Agardh: Ramificationis norma non proprie verticiilata vide-<br />

tur, utpote raraulis oppositis, iteratim evolutis verticilli superiores<br />

revera generantur.<br />

Cavitas interna stipitis, nullo diapliraginate separata, in ramis,<br />

ut videtur, continua est; utrum strictura3 qunj ad imam basim<br />

uniuscujusque rami cum «tate plures pluresque generantur, sub<br />

certo evolutionis stadio intus quoque obturentur, an semper per-<br />

vium usum permittant, cl. J. Agardh dubitat.<br />

1. Apjohnia laetevirens Harv. in Tayl. Ann. Nat. Hist. ser. XI, vol, XV, looo<br />

pag. 335, Alg. austr. exs. n. 560, Phyc. Austr. I, tab. V, J. Ag.<br />

Till Algernes Systematik VIII. p. 108, Strunea scoparia Kuetz.<br />

Tab. Phyc. XVI, t. 2, f. 1 sec. Murray et Hoodle A struct. and<br />

syst. Account of the genus Struvea p. 281. — Cliaracteres generis.<br />

Ilab. ad oras pra^cipue australes Nova3 IloIIandia^ (H.vrvey, F.<br />

Muellek) et Tasmani:e (Mereditii). — Apjolmia iropica Crouan<br />

in Maz('' et Schramm Alg. Guadel. ed. II, p. 105 est Siphonorlado<br />

adscribenda; Apjohnia qunDdain ex Nova Hollandia a F. Mueller

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