Blake, S. T. (Stanley Thatcher)

University of Queensland eSpace

N(YPES ON AU811RALIAN CYPERAGl'_:;AE LI. 
By 
S. T. BlJAK�}, 1\f.Sc. 
Biology Department, Dncivcrsit!l of Q11-eensland. 
lReprinted from the Proceedings .of the Royal.SoC'iety of Queensland,. 
Vol. XIJIX., No. 15, pp. 154-155.] 
DAVID WHYTEJ Government Printer. Brll1bane; 
Fryer 
QH301.U66 
1937 
v.l no.S
154 VoL. XLIX., No. 15. 
Notes on .A ustr·al,ian Uyperacea,e 1 I. 
lh S. 'r. Br,AKE, M.So. 
Biology DP.partment, lJniversity of Queensland. 
[ R.end hl'fore the Royal Society of (>luemtslancl, 29th November, 1937.] 
E JjHJOCHAR18 Brass'ii S. 'l'. Blake, sp. nov. aft'. E. n.u,da C. B. Clarke, 
· ...4 Ht'd differt habitu robustiore glurni� minus <lJ)prcssis, nuee multo 
majore, setis persistentibus. 
J)erennis, caespitosa, stolonifera; stolonibus ca. ] .5 mm. · diam. 
Cn�mi erecti vel suberecti, 40-SO em. alti, rigidi, subteretcs, sub spicula 
vix trigoni, :3.5 mm. diam., in Nll'CO plus minusve compressi, Jeviter 
striati, rugulosi nee septati. V agina:e pro more 2 laxiusculae, orifice 
obliquae, membrnnaceae, purpnrascentes, superior plus minusve striata, 
orifiee firma, brevissime mucronata. Spietcla 8-5 em. longa, 4-5 mm. 
lata, linearis, acuta, densiflora, spiraliter angulata. Gl1�mao (prima 
laiiore brevique excepta.) ovat:w, obtusae, concavac nee carinatae, 
pluristriatae, stramineae sed intus marginibus brunneozonatae et tota 
parte anteriore brunneo-rnmctatae, rigoidae, marginibus extrcmi� 
tenuiter hyalinae, 4.8-5 mm. longae, 2.5 mm. latae. Stamina 3, 
antherae linean:s apiculatae, ca. 2·8 mm. longae. Stylus bifidus. Nnx 
late obovata, subtruncata, 1·B-2 mm. longa, 1·6-J .7 mm. lata, aequaliter · 
turgide biconvexa, leviter eostata, nitide fulva vel brunnescens, utroque 
latere celluli� extimis hexagonis ea. 20-seriatis striata vel reticulata, 
a pice -l-:1 parte angnstiore, annulo toroso instructa; stylobasis 
pallida, cellulosa, complanata, triangulari-ovata, i-t nucis aequans. 
Setae hypogyooe 6 quarum 4 (interiores) nuce paullo breviores dentibus 
firmis retrorsim sea brae, 2 (interiores) tenuissimae minimae vel nullae. 
Type: Queensland, Cook Distriet--Forest Home Station, Gilbert 
River, in the swamps, .April, 1931, Bmss 1864. (Herb. Bris.) . .  
Distrib;: North Australia, North Queensland. 
Elcocha-ris pa1Ucns S. '!'. Blake sp. nov. aff. E. awta R. Br. a qua 
culmis gracilioribus densissime caespitosis, rhizomate brevissimo, spicula 
tandem palhda, antheris breviore apiculatis, nuce breviore marginibus 
costata, stylobasi plerumque broviore differt. 
Perennis, densissime caespitosa, rhizomato •brevi hand repenti. 
C!1llrni penmmerosi, erecti vel suberecti, ad 5 dm. alti, graciles, sub­
teretes, laeves sed longitudinaliter manifesto 9-10 sulcati, 0·6-1·0 mm. 
diam. · Vaginur flnne rnembranaeeae, arcte appressae, leviter striatae, 
superior orifice truncata, incrassatp. et discoloratn, mucrone erecta ad 
2 mm. longa munita. Spimtla linearo-cylindriea, basi obtusa, apice 
acuta VPl subacuta, brunnea vel :Eulva., plerumque pallida, densifiora, 
plerumqne 1-2 em. longa, 2 mm. lata. Ghtrnae numerosae, arcte 
appressaP, vel rm·o aliquantum patentes, facillime deciduae, ovatae vel 
oblongo-ovatae, acutae apice triangulares, scariosae, dorso levitcr 
r:arinatae, plus minusve brunneo-tinctae, ceterum hyalinae, 2·9-:3·3 mm. 
longac. Starmina 3, antherae lineares, apiculato-cristatae, cum crista 
0.15 mm. longa 1.6-2.0 mm. longac. Styl1ts trificlus (rarissime de casu 
bitidus). Nux late obovata vel suborbicularis vel basin versus 
nonnunquam aliquantulum attenuata, plus mmusve inaequaliter 
N0'1'EJS ON AUSTRALIAN CYPERACEAE II. 155 
biconvexa vel subplanoconvexa, saepe turgida, marginibus costata, 
fulva vel brunnea vel nonnunquam fusca, nitida, lateribus laevis vel 
rugulosa, plcrumque leviter reticulata ( cellulis cxtimis parvis verticaliter 
breviter oblongis, saepe pr o min ulis) 1·1-1·4 mm. longa, 0·9 mm. lata. 
SiyLobagis multo variabilis in eadem spicula, plerumquc plus minusve 
deltoidca vel ovato-triangularis, Haepissime compressa, pallida vel fulva, 
in parte infeeiore plus minusve spongiosa et fimbriolata, ad ·k nucis 
aequans; saepe tamen valde depressa ovata, vel substipitata. Setae 
hypogynae 7-10, plerumqne validae, rctrorsim scab rae, pallidae vel 
brunnescentes, plerumque subaequales nuce breviores longioresve, 
uonnunqnam breves vel longisflimae. 
Type: Queensland, Warrego District, Offham ca. 25 miles south of 
Wyandra, in depressions in grassland, 700 ft., April 18, 1936, Blake 
J128G (Herb. Bris.). 
Distrib.: \.Videly spread in the drier parts of the mainland of 
.Australia. 
Eleocharis plana· S. T. lHake sp. nov. aff. E. am�ta H. Br. sed 
praecipue culmo valde complanato latiusculo differt. 
Rhvzorna lange rcpens ca. 2 mm. cliam., e1,1lmorum caespites distantes 
ferens. o��lmi rigidi, erecti vel obliqui, ad 80 em. alti, plani vel 
lcviter plano- vel eoncavo-convexi, 2-4 (pro more 3) rnm. lati, loi:tgi­
tudinaliter Rtriati, transver�im irrcgula.riter rugulosi. Va{J1:nae rigid(� 
membranaccae vel subherbaceae, st.riatae, superior apice discolorata 
incrassata truncata vel fere tnmeata mncronc rigida 1·5-3 rnm. longa 
munita. Spim1la pallida vel brunnescens, lineari-cylindrica, snbacuta, 
plerumque 10-15 mm. longa, 2-2·5 mm. diam. Gl�&m.a.e 2 infimae 
bracteiformes, ceterac fertiles ovatae, acutae, lcviter carinatac, tenuiter 
memhranaceae, straminean, marginibus apicc triangulari inclusa late 
hyallnae, 3.4-3.7 mm. longae. Stamina 3, antherae linearcs, 1.4 mm. 
longae, crista lineari 0.2 mm. longa inclusa . Styh�s trifidus. Nux 
tandmn nitide brunnea, obovata, t.urgida, biconvexa, vix costata, minute 
punctnlata vel rugulosR, 1·2-1·8 (plerumquc l-4) mm. longa, 1·0-1·1 
mm. lata, ccllulis extimis minutis breviter verticaliter oblongis; 
stylobasis triangula. ris vel ovata, compressa, pallida, ccllulosa, basi 
1 muida, aliqnantum hispidula, 0·6-0·8 mm. longa (ca. i nucis acquans), 
0.5 mm. lata; se,tae hypogynae 6-8, tenues, retrorsim scab rae, nueem cum 
,.;tylobasi subaequantcs. 
Type: Queenslaml, Darling Downs District; Palar�Q, west oJ' Miles, 
iu swamps, 1,100 J't., l<'ebruary 16, ] 935, Blake 761!) (Herb. Bris). 
·'Rhizome creeping, stems erect ea. 2 ft., dull g1·een, rigid, nearly Hat, 
faintly longitudinally striate, and more faintly transversely so.'' 
Distrib.: Queensland (Port Curtis District, Moreton District, 
Darling Downs District), New South Wales. 
The species described above will be fully discussed in a revHnon 
.. o[ the Australian members of the genus, which is almost complete. 


Notes on Australian Cyperaceae

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Notes on Australian Cyperaceae

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