186 
PACIFIC SCIENCE, VoL XIII, April, 1959 
This is a good flowering and fruiting speci- 
men and it matches nicely the holotypic spec- 
imen from Mauna Loa, the dry end of Molo- 
kai. This Niihau specimen was not seen by 
Sherff. 
Lipochaeta niihauensis, sp. nov. 
(§ Lipochaeta) 
Fig. 11 
NOM. VERN.: "pa’apa’a’ina” ( = crackle; 
probably in allusion to the stiff, brittle leaf 
blades). 
DIAGNOSIS HOLOTYPi: Frutex 1 m. altus 
erectus ramosus, caulibus principalibus terti- 
bus scabris, ramulis angulosis scabris et 
adscendenti-adpressi-hirsutulis, petiolis 4-20 
mm. longis oppositis minime connatis et per- 
foliatis in apice basique dilatatis et adscen- 
denti-albo-hispidulis, laminis 1.5-6. 2 cm. 
longis 8-56 mm. lads crasse chartaceis sed 
rigidis et maxime hirsutulo-scabris et subad- 
presso-albo-hispidulis late ovatis in basi ro- 
tundatis vel subcordatis apice abrupte suba- 
cuti marginibus bisdentato-serratis infra pal- 
lidioribus proxime basi triplinervatis, capitulis 
in cyma laxa 3-capitata vel ita cum ramulis 
axillaribus tardis tenuibus cymis tricapitatis 
ferrentibus, pedunculis 1.5-6. 5 cm. longis 
nudis dense subadpresso-albo-hispidulis, ca- 
pitulis in flore cum involucro 4-5 mm. alto 
8-10 mm. diametro sed in fructu patelliforme, 
phyllaris bi- (vel tri-) seriatis subviridibus 
exterioribus 5 (-7) subacutis 3-3.5 mm. lads 
late ovatis in marginibus et extra adpressi- 
hirsutulis firmis coriaceis 7-nervosis in basi 
carnosa, phyllaris interioribus paullo longio- 
ribus 2.5 mm. lads obovatis acuds, recepta- 
culo in flore depresso-conico 1 mm. alto 2 
mm. lato, paleis 3.5-5 mm. longo anguste 
cuneatis conduplicatis lateribus 0.8-1 mm. 
lads plurinervosis scariosis apicibus exsertis 
hispidulis, floribus radiatis marginalibus 8-14 
in flore luteis, ligulis 8-9 mm. longis 3.8-4 
mm. lads late ovalibus subtridentatis in latere 
distali valde bicostatis nervis gracilioribus 8, 
tubo 1.4 mm. longo aristis pappi plerumque 
3 inaequalibus 0. 6-0.9 mm. longis subulatis 
adscendenti-scaberulis, stylo 2.5 mm. longo, 
stigmatibus 0.7 mm. longis filiformibus, 
achaeneis radiatis juvenalibus 1.2-1 .4 mm. 
longis trigonatis cuneiformibus in marginibus 
et apice hispiduli-ciliatis, achaeneis maturis 
2. 5- 2. 8 mm. longis 1.2-1. 8 mm. lads valde 
trigonatis late cuneiformibus nigro-brunneis 
et griseo-maculatis ad apicem scabro-hispi- 
dulis ad basim ita diminuendibus ad basim 
marginibus lacero-alatis, aristis 3 (-4) inae- 
qualibus 0.6-1. 2 mm. longis subulatis, flori- 
bus disci ca. 100, corollis in flore viridi-luteis 
4 mm. longis tubo 1 mm. longo cylindrico, 
limbo anguste infundibuliforme 0.9 mm. 
diametro 4-lobato lobis 0. 5-0.6 mm. longis 
deltoideis adscendentibus, filamentis 1 mm. 
longis ligulatis pallidis, tubo staminalis 1.4 
mm. longo 0.5 mm. diametro, sacis antheris 
subnigris apice connectivi pallidi deltoideo- 
ovati, stylo 3.5 mm. longo filiforme pallidi et 
basi 0.3 mm. longi cylindrici subnigri, stig- 
matibus 0.7-0. 8 mm. longis ligulatis apice 
rhomboidei, aristis pappi binis 0.7-1. 3 mm. 
longis subulatis barbellatis, achaeneis disci 
juvenalibus 1.3-1. 9 mm. longis 0.6-0. 8 mm. 
lads gracili-biconvexis cuneiformibus in mar- 
ginibus et apice hispidulis, achaeneis maturis 
2. 8-3. 2 mm. longis 1.1-1. 7 mm. lads valde 
compressis et biconvexis medie vel anguste 
elliptico-obovatis basi obtusi apice truncati 
vel excavati brunneis et griseis maculatis ad 
apicem tuberculato-hispidulis marginibus 
cum alis membranaceis sive integris sive la- 
ceratis sive hispidulo-ciliato-laceratis, aristis 
binis 0.7-1. 7 mm. longis aequalibus vel inae- 
qualibus subulatis barbellatis in apice affixis. 
DESCRIPTION OF ALL SPECIMENS: Shrub 1 m. 
tall, erect, with several branches; main stems 
terete, brown, scabrous from the remnants of 
pubescence; branchlets several-angled, rough- 
ened and ascending appressed hirsutulous; 
petioles 4-20 mm. long, opposite, connate 
and slightly perfoliate, dilated at base and 
apex, ascending white hispidulous; blades 
1.5- 9 cm. long, 8-77 mm. wide, thick char- 
taceous but stiff and very hirsutulous sea- 
