SOUTH-WEST AUSTRALIAN COMPOSITÆ. 269 
the heads all conspicuously pedicellate, and the involucral scales are all 
destitute of petaloid tips. 
6. P. devis (n. sp.): foliis angustissime linearibus deorsum attenuatis 
inferioribus spathulato-linearibus ramisque simpliciusculis glaberrimis; 
capitulis pedicellatis in corymbis parvis confertis; involucri ferruginei 
squamis omnibus exappendiculatis. 
Swan River, Drummond, 1843.—A span or less in height, from a 
slender annual root, entirely glabrous. Pappus, etc., as in the other 
species of this section. Corolla slender, not dilated above, and minutely 
five-toothed, as in the first section of the genus, about the length of the 
pappus. Achenia minutely hairy. 
$ IV.? Preropoconorsis. Capitulum 20-40-florum, parvum, intra 
folia bracteantia sessile, subheterogamum ; nempe floribus exteriori- 
bus corolla angustiore brevissime 3—4-dentata, et antheris ut videtur 
cassis, interioribus corolla brevissime 4-5-dentata, centralibus sub- 
sterilibus. Involucri squamæ paucæ, subæquales, tenues. Achenia 
glabra. Pappus corolla sublongior. ! 
7. P. demissus (n. sp.): foliis filiformibus caulibusque ramosissimis de- 
pressis tenuiter pilosis nune glabratis, floralibus capitulum ovatum 
æquantibus ; involucri squamis inappendiculatis. 
Swan River, Drummond.—Plant about an inch high, forming a de- 
pressed tuft. Heads subsolitary at the ends of the crowded branchlets, 
one line long. Involucre stramineous or ferruginous. Exterior flowers 
with an almost filiform corolla and with the anthers perhaps abortive, 
but always present. Pappus of about ten setze, plumose as in the pre- 
ceding section. 
$ V.? HzLrPTEROIDES. Capitulum 10-15-florum majusculum basi 
folioso-bracteolatum. Involucri squamæ pluriseriales, basi incrassatæ 
rigidæ, intimæ appendice petaloidea breviuscula radiantes. Achenia 
sericeo-villosissima conformia, pauca centralia subinania. Pappus 
breviter plumosus quam in $ l, corolla 5-dentata paulo longior.— - 
Caules erecti, ultra-spithamæi, capitulis ad apicem ramorum solitariis 
vel ternis. rr 
. P. gracilis (n. sp.): glaberrimus, caule stricto superne parce ramoso 
oligocephalo; foliis filiformibus, summis eapitulum bracteantibus ; 
basi scarioso-dilatata appressa in squamis involucri ovati pluriserialis 
transeuntibus; appendicibus petaloideis squamis intimis duplo bre- 
vioribus lanceolatis. — 
