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rubelle. Stigma minutum, depresso-hemisphezrieum, denique 
planiuseulum. Germen liberum. Capsula ovata, leniter compressa, 
libera, calyce inclusa, biloculata, septicide dehiscens, polysperma. 
Placente dissepimento adnats. Semina rubra, nitentia, plano- 
convexa, levia, oblongo-linearia, circiter 2" longa. 
Lythrum Arnhemicum. 
(Sect. Calopeplis.) 
Annuum, glabrum, foliis oppositis linearibus, pedunculis axil- 
laribus 1—-3-floris longiusculis rarius cymoso-ó-floris, floribus 
conspieue pedicellatis, calyce ebracteolato globoso-campanulato, 
dentibus sex deltoideis, sex minutis v. obliteratis, corolla majus- 
cula hexapetala, staminibus 6-12 exsertis fundo calycis affixis, 
capsula sphzroidea evalvi denique irregulariter rupta. 
In planitiebus subarenosis humidiusculis v. ripariis ad flumen 
Victorize et rivum Sturt's Creek. 
Herba coneinna, spithamsza usque pedalis, erecta v. inferne 
procumbens et radicans. Radix fibrosa. Caules ramique sspe 
rufescentes, teretiusculi. Folia sessilia, 1-2" longa, modo angus- 
tissima modo ad sesquilineam lata, plana, uninervia. Pedunculi 
axillares, solitarii, oppositi, cum pedicellis sepe scabridi, 3-6" 
longi. Pedicelli calyce aut longiores aut breviores, medius v. 
solitarius ad basim laterales autem apicem versus bracteolis duabus 
lanceolato-linearibus eymbeis 11-2" longis przediti. Calyces 2-3" 
longi, membranei, 12-nervii, basi impressi; nervis viridibus e 
dentium denticulorumque dorso decurrentibus ; denticuli dentibus 
deltoideis 6 alternantes et multo minores, in speciminibus macris 
omnino obliterati. Petala breviter unguiculata, szqualia, fugacia, 
summo calycis tubo inserta, dentibus ejusdem majoribus alterna, 
ovato-orbicularia, purpurea, uninervia, 3—4" longa. Stamina stylo 
petalisque superata, omnia exserta. Filamenta albida, capillaria. 
Antherze biloeulares, dorso insertz, lutez», 1-3" longs, introrsw, 
longitudinaliter dehiscentes. Stylus setaceus, 2—4" longus, termi- 
nalis, persistens. Stigma perminutum, depressum. Germen libe- 
rum, biloculare, sessile. Ovula in placenta centrali subsessili 
globosa v. ovata v. pyramidali numerosissima, anatropa. Capsula 
subglobosa, calyce persistente inclusa, 13-23" longa, tenere mem- 
branea, septis tenerrimis mox evanescentibus 2- v. 3-loculaía. 
Semina numerosa, subovata, 1-1" longa, angulata, aptera, lzvia, 
statu recente rufa et nitentia, demum nigrescentia. Umbilicus 
basilaris. - 
Species singularis, florum dispositione aliquotenus Nesze triflorze 
approximans, quibusdam quoque notis Macclellandizx affinis. 
Praterea habuimus in Australia sequentes hujus ordinis stirpes. 
Sonneratiam acidam (a Blume ad hane familiam haud immerito 
relatam), Pemphidem acidulam, Lythrum Hyssopifoliam, Lythrum 
Q 
