106 
the outer is Me and very caducous; 
the — - persistent, and has its rays 
e base, so that it is almost 
ner, though very short, bifid lip to the 
820.. (a) Chetanthera (Tylloma) pustl- 
: t Ar : llo pusillum, 
e have pointed 
out a mistake of the transcriber of the 
French edition of Don's paper, the outer 
ip of the ray is really not bidenticulate, 
but distinctly with three teeth; we have 
not been able to observe an inner lip. 
PACHYLJENA. Don, MSS. 
821. “ Involucrum subrotundum, multi- 
plici ordine, polyphyllum, foliolis oblon- 
s, coriaceis, adpressis, glabris, 
intimis pum gioribus, radiantibus. Ra- 
chis nuda. pegar radii elongati, ligu- 
lati fæmineis staminibus sterilibus, la- 
bilabiaá, labiis subeequalibus revolutis ; 
exteriore ligulato, 3-dentato; interiore 
bipartito, laciniis MecTrARUC eR spi- 
raliter revolutis. Filam 
linearia, canali 
res extremitate lacerato- 
t rami crassi, obtusi, 
erecti, bipollicares, simplice 
— ces foliis i lipulats 
ornati. Folia ait 
mbra: 
petiolata, date been obtusa, eros e den- 
m, magnum 
sessile. Corolle albe. Tavolini gla- 
brum. Pappus niveus —Gen s Aa 
admodum affine, sed satis differt." — 
1n litt. 
822. (1.) P. folia, Don.—On loose 
débris, rear del ‘Ceno Pelado, on 
the ascent to ] de los Manantides. 
CONTRIBUTIONS TOWARDS A 
827. a sole cuneifolia, Don in 
Soc. T| 15. p. 202.—4. 
FLORA OF SOUTH AMERICA. 
Dr. Gillies.—This differs from Chetan- 
thera by the non-plumose pappus, and 
apparently by the style of the bisexual 
florets not being pulverulous. 
BRACHYCLADOS. Jon, (char. reform.) 
823. * Involucrum 5-phyllum, basi brac- 
teolatum ; foliolis ovato- lanceolatis acu- 
cult radi uniseriales bello i fieminei, 
labiis subeequalibus, revolutis ; exteriore 
tridentato; interiore bipartito. Fila- 
menta glabra, levia. Anthere basi bi- 
setosee: setis plumosis. Séylus radio 
indivisus, obtusus, sulcatus, glaber, re- 
curvatus, disco lobis abbreviatis, cunea- 
tis, — — Achenia cune- 
ata, 9-gona, erostrea, dense papillosa. 
Pappus capillaris, scaber, persistens, 
serialis, cinereùs.— x rigidi. 
ia, mucronata, margine revoluta, in- 
i epa cep solita- 
ulata.” Don in 
Imperial and Yao de las Salinas, An- 
des of Mendoza, Br. Gillie es. ern 
Cheta erii from eei the habit is 
so very different, that the two genera 
ought not to be co 
njoi 
825. (1.) Proustia pyrifolia, De Cand.— 
n. 5. 0. 
Less. in Lin Don in Linn. 
Soc. Trans. 16. p 
. baccharoides Don 
spinulosis subtus niveo-tomentosis, ca- 
pitulis 3-floris paniculatis, involucri fo- 
liolis obtusis. Mendoza, Dr. Gillie 
en Pappi ; radit 
albi apice penicillati. f 
we have not seen, but we possess a 
cimen from Coquimbo, in which the cà — 
pitula are quite unexpanded, but which — 
agrees otherwise with Don's character. 
inn. 
P- —a. spin nulosa ; 
foliis pines €—— oh spinu- 
Tu 
cosa, foliis oblongis. mucronatis dentato- — 
pilo : 
Doni in litt —This 
TR tere 3 
2 sii ~ 
SHR Gat 
