88 
Amicus prfedoctus Th. Anderson in dissertatione sua eximia 
de Acantbaceis Indicis (Journal of the Linnean Society 1867, 
425-526), dum genera emateriis ditissimis refudit, in Hygrophilis 
staiuina tam duo quara quatuor adraisit. Secundura eaudem nor- 
mam nunc genus Earllae supprimo. Soliditas tamen capsula basalis 
nostram plantam in cohortem Justiciearum movit. Ceterum stirps 
nostra eodem jure ad Thyrsacanthum, adspectu haud dissimilem 
trahi possit, etiamsi Thyrsacanthus Indicus locum inter Asystasias 
bene accepit. Dispositio Acanthacearum totius muudi, quam 
Neesius verbis admodum elegantibus logicisque efBcit, si materias 
viro lucido et sedulissimo offertas contemplavimus^ semper miranda 
manet. 
A Nelsonia campestri (Br. Pr. 480; Endl. Iconogr. 79), quae iu 
Australia scptentrionall haud infrequens^ Nelsoniam tomentosam 
fortasse haud specifice removere possumus. 
Ebermaiera glauca (Nees in Caud, Prodr. xi. 73) viget iu 
terra Aruhemica. 
Hygrophila anguetifoha obvenit per magnam Australiai orientalis 
partem. 
Dicliptera armata. 
Herbacea, foliis angusto- v. lineari-IanceolatishreYitev petiolatis, 
umbellis verticillato-capitatis, bracteis basalibus lineari-subnlatis 
pungentibuSj valvaribus rotundo-rhombeis mucronato-acuminatis, 
capsula disperma, seminibus laevibus. 
Ad origiuem fluvii Victorise, nec nou ad rivum Stirling^s Creek ; 
F. M. Ad flumen GIenelg's River ; J. Martin (46). 
Herba forsan annua, plurlpedalis, debilis, erecta. Radis: albida, 
contorta v. flexuosa, fibrillas longas tcnuissimas produccns. Caulis 
opposite ramosus, cum ramis prominule sexangulatus, l^vis, glaber, 
basi interdum procumbens et radicans. Polia in geniculis opposita, 
tenera, saltem basin versus cum petiolis pilosula, 1-3" longa, 
2-6" lata, margine scabriuscula. ' UmbelliB compositae fasciculares, 
axillares et terminales ; interiores breviter, exteriores brevissime 
pedunculatee, bracteis usque ad 4'" longis patentlssimis armatse. 
Umbellulse bracteis 2 valvaribus involucellatai, binse usque quina?, 
subsessiles, uni-triflorae, flore unico tftntum evoluto, secundo 
tertioque rudimentoriis, rarissiuic perfectis. Bracteae involucellum 
constituontes appressEc, planiusculDc, 4-6'" metientes, veniB anasto- 
mosantibus percursae, uninervice, extus glandulis consperssD et 
brevissime pubescentes, intus fere glabra), margine parce ciliata), 
Calyx 5-partitus, breve et dense glanduloso-pubescens, \\'" longus, 
brevissiraepedicellatus, basi bibracteolatus ; lacinise erectae, lineari- 
subulatae; infima paulo major, Bracteoloe lineari-setacese, linea 
brovlores. CoroUa saturatius rosea, torsiono resupinata, bilabiata; 
labium resnpinatione superura adscendens, semlpollicare, 3"' latum, 
fcre ovatum, iuferne sensim angustatum, apice recurvum et brevlter 
