Drummondiane. N. O. Composite (§ Melampodinew). 
TAB. DCCCLYV. 
DiorosrerMA Drummonpu, 4. Gray. 
Gun. Cuar. Drorosprrma, 4. Gray, nov. gen. —Capitulum pauci- 
florum, heterogamum ; floribus radii 3-4, foemineis, vix ligulatis, 
disci ti totidem, tubulosis, abortu masculis. Involucrum oie. 
uniseriale, e squamis 5-6 consimilibus, ovato-oblongis, conca- 
viusculis, membranaceo-herbaceis, margine anguste scarioso 
ciliato-fimbriolatis, per anthesin flores equantibus. Recepta- 
culum parvum, planum, epaleaceum. Corolla fi. = tubo 
ongis divaricatis glabris ; fl. m superne incrassatus, apice 
ase inequaliter obus, lbis wibatots hispidis. Ovarium 
fl. mase. Heat exovulatum ; fl. foem. achzenio simile sed 
multoties minus. Achenia ‘che ohuactwen 2-8-plo superantia, ab 
eo prorsus discreta, obovato-subtrigona, apice bicornia, nempe 
explanata, obcompressa, alata; ala suberosa, crassa, arcte invo- 
luta (ut achenium subtrigonum ventre profunde sulcatum 
apparet), ad apicem late truncatum in auriculas hirsutas pre- 
longas arrecto-patentes producta. Pappusnullus. Cotyledones 
obcompresso-planez, leviter incurvee.—Herba pusilla e radice 
annua, reign birtabali: caulibus gracilibus, di iffusis, ra 
mosis ; foliis integerrimis, infimis obovatis oppositis, superiort 
bus snboltereie spathulatis vel sublinearibus ; capitulis minimis, 
ad apicem ramorum solitariis paucisve agg? eats, A. Gray 
Diotosperma Drummondii, 4. Gray, in Kew Gard. Mise. i nol 
Has. Te paar Australia, Drummond. (Received in 1850.) 
1. Capitulum of florets. //. 2. ee of fruits. f. 3. Hair 
fone an auricle of the achenium. J: 4, 5, Achznia. f. 6. Corolla 
and style of female flower. 7. 7. Transverse 4 of an achee- 
nium. 7. 8. Seed. £9. Embryo. 710. Male floret. f. 11. 
. Corolla laid open of a male Soret i—magnified. 
