CONTRIBUTIONS TOWARDS A FLORA OF SOUTH AMERICA. 105 
nulati foliolis purpurascentibus, extimis 
foliaceo-appendiculatis, a ndiculis an- 
tissime liearibus.—a. involucri -— 
lis oa capitulo minore | On rus 
thera tenuifolia, Don in g. (A pe. 
832,) p. 391; in Guill. ek 4 p. 407. 
— Valparaiso, nais n. 660). —Ma- 
thews e » — Playa Ancha, near Val- 
dges (n. 127).—8. involucri 
. Che- 
tanthera enano Gill. — Don in Ph. 
ag. (Apr. 1832,) p. 391. in Guill. 
Arch. 446.—Las Cuevillas, Andes 
of Mendoza, Dr. Gill 
tinct, but with difficulty characterized 
from Chetanthera serrata; in this 
however, the stems are very cespitose, 
m th 
ot creeping 
root. In Chetanthera serrata, the ro 
o may 
" this species be Ghutantheraa spinu- 
a, C 
815, Ko Chætanthera (Euchet.) ciliata, 
Don 
vw c^ — n Linn. Soc. Tr. 
vm . Mag. (Apr. 1832,) p. 
391. in Guil Arch 2. p. 486.— Less. 
. 9. p. 283. Syn. p. 113.—Near 
Collina, Bridges (n. 132). —Cordilleras 
of Chili qum (n. 202).—This is an 
annual pla 
816. (10. M Comer VR (Euchet.) ramo- 
on) ; 
sissi annua, caule plus mi- 
nusve aap polycephalo, folus cauli- 
hs Seplus oppositis, capitulo subcylin- 
Brie, Wei a foliolis extimis pat atulis 
stissim mo - lineari ibu: 
ni fag. 
832) p». 391. in Guill Arch. . 
— Clieianthera Kunthiana, Les 
tenella, Less. l c, p. 114 mpla de- 
pauperiora.)— Valparaiso, Cuming (n 
856 —Near Vina la M 
Enige: (n. 124 and 125). —Cordilleras 
of m O Cuming (n. 23 240).— 
Very ailer: as to acie i the 
add in metimes almost simple. 
The leaves € usually opposite, but 
Occasi are, also, alternate on the 
Same specimens: those of the involucre 
from acute to acumi he 
Tachis is furnished with a papilla, or soft 
prickle, under the centre of each ache- 
e, - in Don's Centroclinium, and - 
os y other genera of th } 
both of this a 
omposite, 
the de tribes The 
ray is only slightly, not thrice, shorter 
than the involucre. 
817. (11.) Chistasthers nevis arius sy 
incana (Po epp.); annua multicaulis 
incana, caulibus dicm in folis 
—— oblongis alternis vel opposi- 
tis, involucri ca 
re ee c spinuloso- 
serratis interioribu: us scariosis apice ro- 
tundatis. — Less. in Linn. 5. p. 984. 
Syn. p. 116.—Chetanthera spathulata, 
Poepp.— Less. in Linn. 5. p. 285; Syn. 
pP. 116.—Cheetanthera scariosa, Don D 
. Voy. p. 29. (excl. syn. )— Valpa- 
raiso, Cruoktha nks ; Macrae ; Dr. Gil- 
Lessing’s two species, = found that 
both the colour and s the outer 
lip of the "an are Pii to consi- 
derable v 
ation. 
818. (2) "Ohsstüintherk (Prion.) flabel- 
lata (Don) ; annua glabra! multicaulis 
us cuneatis duplicatis argute spinu- 
loso-serratis foliis foliolisque exte- 
rioribus cuneati-obovatis.—Chetanthera 
in Ph. , 
p. 391. in Guill. Arch. 2. 
Pa Nolasco, Andes of Chili, Dr. Gil- 
819. KOX — MEE Ed 
ba ta, Le Syn. ap I —Tyll oma hm 
bes well as the er ‘of the 
leaves, is frequently sprin with pe- 
dicellate de m as noticed by Mr. Don; 
e margin, therefore, appearing as if 
i ular t 
pei 2s of, at least, two rows; 
