bular, 5-toothed: tube nearly cylindrical: teeth spreading. 
Anthers five, apparently sessile at the mouth of the tube 
of the nectarium, and alternate with its teeth. The necta- 
rium is supposed, perhaps justly, by some botanists to be 
composed of the united filaments. _Germen oval, superior: 
style undivided : stigma capitate, appearing scaly, or lobular 
when magnified. . : 
Oprtorneca* belongs to the natural order of Amaranthacea, 
and has been established as a genus by Professor Nurratt, 
who unites with it, as a second species, the GomPHRENA 
interrupta ; Gompurena Humboldtiana of Rormer and 
Scuutrss, the lanata of Kunru, if it should not turn out to 
be the same, will certainly makea third, It is distinguished 
from Gompurena chiefly by the form of the stigma. 
Native of North America. Found on the banks of the 
Altamaho, by Dr. Barpwin ; on the sandy beach of the 
Arkansa, by aus Nurran. ‘= desi 
Communicated by Rozerr Barctay, Esq. of Bury Hill, 
in September, 1824. It was raised from seeds given to Mr. 
Barcray, by Mr. Nurratt. 
ee Se 
& From owAor armour and Snen, a sheath, in allusion to the seed of this 
plant being protected in an armed sheath. Nurr, 
eed 
The outline figure, on the left hand, represents the calyx displayed to shew 
the nectarium within, and the bractes, or concave scales at its base (the outer 
calyx of Nuttall) ; and that on the right hand, the nectarinm, also laid open, 
to shew the insertion of the anthers and the germen, style and stigma. 
Both figures are considerably magnified, 
