233 
L 
r 
vLores. Splem m speciminibus exsfantibus paucilinefires, forsan 
s^pe majores. Bracteolae vix Hneam longap, hjalinge, Sepala 
acuta, viiiis fere superata. Filamenta calycls niedium vix atti- 
nentia, basi breviter connata, abliinc tenuiter subulato-liuearia. 
Antherie i'" longre ; loculi primum conti^ui, demum basi soluti, 
scHicet mtrorsum dehisceute^, Stj^lus elaber, tenerrimus. Stignia 
inaivisum. rructus sequilaterus, fere rotundus, compressiuscuius, 
metiens. Seraen ut in aliia verticale. 
Varietatem forsau hujus speciei lanuginosam, spicis ^" lougis, in 
Australia boreali-occidentali interiore detexi* 
Ptilotus astrolashis, 
Fruticulosus, ramosus, stellarutomentosus^ foliis rhomheo- v. 
spatulafo-ovatis, capitulis terminalibus solitariis semiovatis v. fere 
sphaericis sessilibus, bracteoas caljcem semifequantibus bractea vlx 
longioribus quacum cymbeo-ovatis extusque pilosulis, calyce parvo 
viUosulo-sericeOy villis brevibus lcBvibus imperfecte articulatis^ 
stamlnibus caljcem smiEequantibus, stylo capillari breviusculo 
tei^minali, fructu glabro a?quiIatero, 
Ad rivum Sturt*s Creek. F. M. 
Folia \-^' longa, in petiolum sesquilinearem vel brevlorem 
abeuntia, mutica, utrinque tenui-tomentosa. Capitula ssepe semi- 
pollicaria. Bractece et bracteolai lineam vix excedentes. Sepala 
exteriora fere lanceolata, acutiuscula; interiora paulo angustiora 
et infra niedium intus barbata. Filamenta superne capillaria, 
inferne paulo applanata. Antherarum loculi pertenues, saltem 
inferne demum soluti. Stylus fere lineam longus. Stigma indi- 
visum. Fructus maturus ignotus. 
Fructum ina^quilateralem et stylum magis minusve lateralcm proe- 
bent: Ptilotus alopecuroides, P, Beckeri, P. nobilis, P. pachoce- 
phalus, P. erubescens, P. distans, P. Lindleyi (Trichinium lanatum 
Lindl.) P. incanus, P. obovatus, P. spatulatus, P. hemisteirus, P. 
polystachyus, P. Manglesii, P, divai-icatus, P. parvifolius, P, holo- 
sericeus. Fructum sequilateralem et stylum rite terminalem osten- 
dunt : P. gracilis, P. calostachyus, P. helipteroides, P. arthrolasius, 
P. astrolasius, P. corymbosus, P. gomphrenoides, P. aervoides, P. 
macrotrichus, P. latifolius, P. helipteroides, P. grandiflorus, P. 
floribundus, P. rotundifblius, P. Drummondi, P. humilis, P. pyra- 
midatus. Calycem intus suprabasim conferte lanoso-barbatum ex- 
hibent : P. nobilis, P. erubesceus, P, calostachyus, P. corymbosus, 
P. helipteroides, P. hemistelrus, P. polystachyus, P. floribundus, 
P. rotundifolius, P. Manglesii, P. Drummondi, P. divaricatus, P. 
parvifolius, P. Iiolosericeus. Calyeem intus villosulum v. glabri- 
usculum haud definite barbatum habent: P. alopecuroides, P. 
Beckeri, P. pachocephalus, P. distans, P. gi-acilis, P. Lindleyi, P, 
incanuSj P. obovatus, P. spatulatuSj P. helichrysoides, P. gomphre- 
VOL. VI. 2 K 
