CHAR. GEN.--Calyx 5-fidus. Petala longitudine subaequalia. Stamina diadelpha: antheroe uniformes; loculis apice confluentibus, valvula contraria ab apice ad basin separanti dehiscentes! Ovarium monospermum. Stylus subulatus. Stigma obtusum. Legumen ovatum, lenticulari-compressum, echinatum.
Herba, v. Suffrutex, glabra, glandulosa; ramulis angulatis. Folia cum impari pinnata; foliolis oppositis, subtus glandulosis. Stipulae parvoe, basi petioli adnatoe. Flores spicati, parvi, albicantes.
OBS. Subgenus forsan Psoraleae, cui habitu simile, foliis calycibusque pariter glandulosis; diversum dehiscentia insolita antherarum!
6. CLIDANTHERA psoralioides.
LOC. Suffrutex bipedalis in paludosis. D. Sturt.
DESC. Herba, vel suffrutex, erecta, bipedalis, glabriuscula. Ramuli angulati. Folia cum impari pinnata, 4-5-juga; foliola opposita, lanceolata, subtus glandulis crebris parvis manifestis, marginibus scabris. Spicae densae, multiflorae. Calyx 5-fidus, parum inaequalis, acutus, extus glandulis dense conspersus. Corolla: Vexillum lamina oblonga subconduplicata nec explanata, basi simplici absque auriculis; ungue abbreviato. Aloe vexillo paulo breviores, carinam aequantes, laminis oblongis, auriculo baseos brevi. Carinoe petala alis conformes. Stamina diadelpha, simplex et novemfidum; antherae subrotundae v. reniformes, valvula ventrali anthera dimidio minore subrotunda. Ovarium hispidum ovulo reniformi. Legumen basi calyce subemarcido cinctum, echinatum. Semen reniforme, absque strophiola; integumento duplici. Embryo viridis; cotyledones obovatae, accumbentes.
OBS. This plant, which in some respects resembles certain species of Glycyrrhiza, appears to be not unfrequent in the southern interior. It was found in one of the early expeditions of Sir Thomas Mitchell, and Mrs. (Capt.) Grey, observed it on the flats of the Murray.
7. SWAINSONA (grandiflora) suffruticosa pubescens, foliis 8-10-jugis inexpansis incano-tomentosis; foliolis oblongis obtusis retusisve: adultis semiglabratis: rachi subincana, racemo multifloro folium superante, bracteolis lanceato-linearibus acutis aequantibus tubum calycis albo lanati quinque fidi: laciniis acutissimis longitudine fere tubi, vexillo bicalloso.
LOC. "Common on the rich alluvial flats of the Murray and Darling." D. Sturt.
OBS. This plant is, perhaps, not specifically distinct from S. Greyana Lindl. Bot. Regist. 1846, tab. 66, of which the figure is a good representation of S. grandiflora in every respect, except in the form and proportions of the teeth of the calyx and lateral bracteae. In these points it exactly agrees with complete specimens, for which I am indebted to Mrs. Grey, from the banks of the Murray, and Mr. Eyre's station (Moorundi), about 98 miles from Adelaide, where it was first found in November, 1841. The following characters, if constant, will sufficiently distinguish it from S. grandiflora.