I,? i
i! !
S ta u ia s trum , Sp. Archer in Journ. Dubl. Micr. Club, IV. (1880-5),
p . 7.
R/embling S. turgescens, de Not., but less plump and
rmmded ; ^ zygospore orbicular, beset with slender spines,
slightly dilated at the base, and minutely hi- or trifid a t the
apex, and green in colour.
S iz e . Not stated.
H ab.
Ireland.
S ta u ra s trum co rn u tum . Archer in Jonrn. Dubl. Micr Club, IV.
( 1 8 8 0 - 5 ) , p . 1 6 .
Minute, ‘‘ resembling S. maamense, plus horns, these slender,
sometimes furcate, and more or less dissimilar, the crenatures on
the margins of the semi-cells smaller, and less pronounced • ”
beyond the above “ Mr. Archer would defer a description.”
S iz e . Not stated.
H ab.
Connemara.
S ta u ra s trum mesoleium. Archer in Journ. Dubl. Micr. Club iv.
(1880-5), p. 43. ’
About medium-sized, triangular in end view, in front view
t / angles a little produced, slightly spinulose. Resembling St.
oligacanthum, RovdstoAt (but not of Brebisson), since proposed
to be called St. mediolceve, Nord.
S iz e . Not stated.
H ab.
Callery Bog, Connemara, (Soorston Moor, N.B. ?)
S ta u ra s trum co rn u b ien se Dennett in Journ. Doy. Mior. Soc.
(1887), p. 18, fig. 24.
Frond minute. Each semi-cell elliptical, but with the lower
/ g e flatter than the upper rounded edge, 2-3 dentate at the
/ s e , and with a kfurcate colourless process on tlie shoulder,
to tiont of e / h frustule is a large ovate protuberance, much
horns. ® Bre“nn eItt" A. lg. Cornw. p. 18. bifurcate
_ Siz e. Length 35 p-, diam. 28 p ■, protuberance 14 p long,
including horns, 7 | p broad (B.). ^
H a b . In bog pools.
Cornwall.
A f f i r B e n ^ t l ^ ’ X 800.
n) ii
iMil
Ü 7
i! .1-
ATJTHOEITIES QUOTED.
1:1 P;
v > \
A g. B ot. Z e it . Neuen Gattungen und Arten von Algen,
von Prof. Agardh, in Flora, oder Botanisohe Zeitung.
Regensburg, 1827.
A gaedh D is p . A lg. Dispositio A lgarum Sueoi®, auct. 0 . A.
Agardh. Lund, 1812.
A gaedh S yst. Systema Algarum, auct. C. A. Agardh.
12o. Lund, 1824.
A eohee J ogen. B ot. The Desmidie® of Norway, by W.
Archer, in Journal of Botany. Vol. xii. (1874), p. 89.
A echee M ic e . J ogen. Contribntions by W. Archer, in
Quarterly Journal of Microscopical Science. 8vo.
London (various dates).
A echee N at. H is t . R ev. Description of two species of
Staurastrum, by W. Archer, in N a tu ra l History
Review. Vol. vi., p. 461. London, 1869.
A echee P eitch . I negs. History of Infusoria, hy Andrew
P r itc h a rd ; Desmidie®, by W. Archer. 1 vol., 8vo.
40 pi. 4 th Edition. London, 1861.
B ailey A mbe. J ogen. American B acillaria, h y J. W . Bailey,
in American Journal of Sciences and Arts, 1841
and 1846.
B ailey M ic e . O bs. Microscopical Observations made in S.
Carolina, Georgia, and Florida, hy J. W. Bailey
(Smithsonian contributions). New York, 1851.
B aekbe M ic e . J ogen. Proceedings of Dublin Microscopical
Club in Quarterly Journal of Microscopical Science.
Vol. ix., 1869, p. 424 ; vol. xi., 1871, p. 93.
B ennett M ic e. J ogen. Fresh Wate r Alg® of the English
Lake District, by Alfred W. Bennett, in Journal
Royal Microscopical Society. Vol. vi. London, 1886.
B ennett A lg. C ornw. Fresh Wate r Alg® of No rth Cornwall,
by Alfred W. Bennett, in Journal Royal Microscopical
Society. Vol. vii. London, 1887.
•fig.
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