Mutisiacec. ] LXXXVIII. COMPOSIT.E. ; 499 
698. Leuceria, Lag. Amen. Naf. 32 (Leucheria).—Capitula homogama, radiatiformia 
v. subzqualiflora, floribus omnibus C fertilibus, radii dum. adsint l-seriatis.  Involu- 
crum campanulatum v. hemisphericum, bracteis pauciseriatis imbricatis lanceolatis her- 
baceis membranaceisve parum  inzqualibus v. exterioribus minoribus, intimis apice 
scariosis. Receptaculum planum, nudum v. in ambitu paleis paucis bracteas interiores 
involucri referentibus onustum, ^ Corollz 2-labiatze, labio exteriore 3-dentato, in floribus 
radii elongato liguliformi, in ecteris brevi, interiore 2-fido v. 2-partito revoluto. An- 
therz basi sagittatz, auriculis parvis in caudas longas productis. Styli rami superne 
complanati, apice truncati. Achcenia obovoidea v. oblonga, papillosa v. pilis hyalinis 
villosa, costis parum prominulis. Pappi setze 1-seriatze barbellatze plumosze v. rarius scabro- 
serrulatz, basi in annulum connatz.—Herbze annus v. perennes, plus minus albo-lanatw 
interdumque superne glanduloso-pubescentes. Folia nunc ommia radicalia, nunc secus 
caulem alterna, integra incisa v. pinnatim. dissecta. ^ Capitula nunc in caule ramoso 
miediocria v. rarius parva, irregulariter paniculata v. longe pedunculata, nunc majora 
in scapo aphyllo v. caule simplici solitaria. Corolle purpurese roses cerulez v. albse. 
. Species ad 26, Americz australis extratropiese v. andinz incole, . DC. Prod, vii. 56... Walp. Rep. | 
vi. 322 ; Ann. i. 994. Philippi in Linnea, xxviii. 714, 7 1$. (Eizaguirrea), 720; xxix. 4; xxxiii. 
121. JDeless. Ic. Sel. iv. t. 89 ad 88. 
EIZAGUIRREA, Remy in C. Gay. FI. Chil. iii. 401, Walp. Ann. i. 996, y. 314, est L. Pea DC. 
in Deless. Ic. Sel. iv. t. 88, pappi setis scabro- serrulatis nec plumosis, 
Prvnus, Don in Trans. Linn. Soc. xvi. 218, DC. Prod. vii. 66 (Lasiongmua, Lag. Amen. Nat. 
i 32. Hombr.et Jacg. in Durv. Voy. Pole Sud. Monocot. t. 4; CuapnnzA, DO. in Ann. Mus. Par. 
xix. 65, /. 5 et Prod. vii. 08, Walp. Rep. vi. 822, Aun. 1i. 949, v. 314, Philippi, Fl. Atacam. 28, et in 
Linnca, xxviii. 715, D:less. Ic. Sel. iv. 0/89 ad 91, C. Gay. Fl. Chil. t. 41, Hook. f. Fl. Ant. t. 111, 
Hook. Ic. Pl. t. 496, Wedd. Chlor. And. i. 33, t. 10, Bot. Mag. t. 4116; CasstoPgA, Don im Trans. 
Linn. Soc. xvi. 215), a Leuceria separatur ob involucri bracteas 2- nec oo-seriatas et paleas receptaculi- 
omnino deficientes, non tamen vere distinguendum videtur. Genus variat enim bracteis inzequalibus 
v. fere wequalibus sepissime 3—4-seriatis, et in Chabrea purpurea, DC. ipsa (Lasiorrhiza, Lag.), palea 
1-2 inter flores exteriores interdum adsunt et nonnunquam in Leuceriis typicis desunt. 
699. Oxyphyilum, Philippi, Fl. Atacam. 28, t. 4.—OCapitula homogama, zequaliflora, 
floribus omnibus $ fertilibus. Involucrum cylindraceo-campanulatum, bracteis cc-seri- 
atis imbricatis herbaceis, intimis flores exteriores involventibus, exterioribus gradatim 
brevioribus. Receptaeulum convexum, nudum. -Corolle 2-labiatz, labio exteriore 
latiusculo (integro?) deflexo, interiore angusto revoluto (2-dentato?). Anthere basi 
sagittatz, auriculis in caudam longam productis. Styli rami longi, apice truncati 
Achsnia dense arachnoideo-villosa.  Pappi sets» plumoss.—Frutex ramosus, glaber. 
Folia conferta, angusta, integerrima v. sinuato-dentata, apice dentibusque pungentibus. 
Capitula ad apices ramorum confertim corymbosa.  Corolle pallide violacez. (Char. ex 
ic. eb deser. Philippi). 
Species 1, proviucie Atacames Chilensium incola, a nobis non visa. 
700. Polyaehyrus, Lag. Amen. Nat. 37. (Bridgesia, Hook. Bot. Misc. ii. 222, t. 92; 
Diaphoranthus, Meyen, Heise, i. 406).— Capitula homogama, 2-flora (rarius 1-flora v. 
3-flora ?), in receptaculo communi tomentoso sessilia, in glomerulum densum globosum v. 
ovoideum conferta, flore utroque :) fertili. Involucrum oblongum, bracteis paucis imbri- 
catis acutis inermibus, extimis complicatis latissimis dorso ssepe callosis, cseteris planius- 
culis. Receptaculum parvum, paleam inter flores ferens.  Corolle 2-labiatz, labio ex- 
teriore majore 3-dentato, interiore revoluto 2-fido v. 2-partito. ^ Anthere basi sagittatee, 
auriculis in caudas longas productis. Styli rami sspius complanati, apice truncati, 
demum recurvi. Achsnium floris interioris (v. floris unici?) obovoideo-turbinatum, 
glabrum, angulatum, pappi setis 1-seriatis longiusculis barbellatis plumosisve coronatum; 
floris exterioris intra bracteam extimam involucri subinclusum, pappi setis brevioribus 
breviusque barbellatis.—Herbse perennes, scabro-pubescentes v. presertim ad' 
inferiorem foliorum albo-lanate. Folia alterna, semel bisve pinnatifida, lobis. bullatis 
Xk2. 
