Tas. 4695. 
NEPTUNIA puena. 
The Double Yellow Water-Sensitive. 
Nat. Ord. LeaumMinos®.—DEcANDRIA MONOGYNIA. 
Gen. Char. Flores superiores, v. rarius omnes, hermaphroditi, sessiles. Calyx 
campanulatus. Pefala 5, ad medium coheerentia v. rarius libera, Stamina 10, 
rarius 5, libera, exserta. Anthere ovate, glandula stipitata superate. Flores 
inferiores nunc neutri filamentis filiformibus anantheris, nunc masculi. Legumen 
oblongum, a stipite deflexum, planum, continuum, valvulis 2 membranaceis de- 
hiscens, intus inter semina incomplete septatum, epulposum. Semina transversa, 
funiculo filiformi appensa.—Herbe suffruticesve inermes, prostrate vel natantes. 
Folia bipinnata, foliolis parvis. Glandula inter v. infra pinnas jugi infimi v. sepius 
nulla, Stipule membranacee, oblique cordate, acuminate. Pedunculi axillares, 
solitarii, bracteis 1-2 stipuleformibus onusti. Capitulum ad apicem pedunculi 
ovato-globosum. Benth. 
Neprunta plena ; prostrata v. adscendens, glabra v. hine inde minute puberula, 
ramis compressis triquetrisve, pinnis 3—5-jugis glandulis inter pinnas in- 
fimas, foliolis 12—40-jugis, capitulis ovoideis, floribus neutris numerosis, 
staminibus 10, legumine breviter stipitato 5-20-spermo. Benth. 
Nerrunta plena. Benth. in Hook. Journ. of Bot. 0. 4..p. 35. Lindl. Bot. Keg. 
1846. ¢. 3. 
Neprounta polyphylla. Benth. 1. c. v. 2. p. 129. 
Dzsmantuus plenus. Willd. Sp. Pl. v. 4. p.1045. De Cand. Prodr. v. 2. p. 444. 
DesMaNrTHUs punctatus. Willd. 1. c. p. 1047. De Cand. Prodr. v. 2. p. 444. 
Drsmantuvs polyphyllus. De Cand. Prodr. v. 2. p. 444. 
Mimosa plena. Linn. Sp. Pl. 1502. Mill. Ie. t. 182. f. 2. 
Mimosa punctata. Linn. Sp. Pl. 1502. 
Mimosa adenanthera. Roxb, Fl. Ind. v. 2. p. 554. 
The above are the synonyms adduced by Mr. Bentham as all 
belonging to this very curious, and, in respect of cultivation, rare 
aquatic. It is a native of the tropics, both of the Old World 
(the East Indies) and of the New World (West Indies and the 
mainland of South America). Mr. Purdie introduced it to our 
Aquaria at Syon and at Kew from Jamaica; but we fear it has 
now disappeared at both establishments. The white spongy 
FEBRUARY Ist, 1853. 
