LXXXVII. CALYCEREJZE, 163 
fertiles. Involucri bracteze ima basi cum receptaculo connais», esterum libers, superne 
ssepius foliaceo-dilatatze. ^ Receptaculum irregulariter conicum v. elongatum, paleis 
paucis angustis v. 0. Ovaria florum sterilium post anthesin libera immutata, Filamenta 
usque ad antheras connata. ^ Ach:zenia florum fertilium plus minus inter se concreta et 
quasi receptaculo immersa, indurata, calycis lobis auctis incrassatis induratis elongato- 
conicis spinescentibusque coronata.—Herb:e ssepius annus, procumbentes, ramos, 
foliat. Folia nune petiolata obovata v. spathulatà, integra v, parce dentata, nune 
sessilia amplexicaulia angusta subpinnatifida. Capitula sessilia v. breviter pedunculata. 
Species 3, Americze australis extratropieze incole, quarum una maritima in Brasilia tropica usque 
ad Bahiam extenditur. .DC. Prod. v. 3 (excl. 4. lanaía ad Calyceram pertinente et forte 4, bupleu- 
roide, Less. nobis ignota). JL. C. Rich. in Mem. Mus. Par. vi. 78, t. 11. Miers, Contrib, Bot, ii. 3T. 
1. 51, 62 (excl. A. orassifolia ad. Boopidem supra relata). 
3 On»o LXXXVIII. CONIPOSITZ7L. 
Endl. Gen, 355. Lessing, Synopsis Compositarum, 1832, DC. Mem. Comp. 1838.  SYNANTHEREX, 
;GRieh. 1801 (ex Endl.). Cassini in Dict. Se, Nat. i.ad lx. passim (1816 ad 1830), Opusc. 
Phytol.i ad iii. (1826 ad 1830). AsrmRAcEz, Lindl. Veg. Kingd. 702. . CassirAcEz, Schultz 
Bipontinus in Flora 1852, 129. 
Flores (.flosculi Auct. plur.) hermaphroditi v, abortu unisexuales, plures rarius singuli 
in receptaculo communi (clinanthio Auct. plur.) sessiles v. subsessiles,. involucro com- 
muni (periclinio AÀuct, plur.) e bracteis (squamis phyllis v. phullariis Auct. plur.) 1—26- 
seriatis liberis concretisve cincti, capitul (anthodi v. calathidi Auct. plur.) 
florem singulum simulans formantes. Calyz normalis 0, tubus nempe ovario arcte 
adnatus ab eo haud distinguendus ; limbus nunc omnino abortivus, nune sspius ad 
dentes v. aristas 2-D v. ad coronam v. annulum paleaceum v. ad setas paleasve 1-co 
seriatas corollee basin cingentes reductus. Corolla supera, gamopetala, tubo elongato brevi 
v. subnullo, limbo in dentes v. lobos 4-5 rarius 2 v. 3 sestivatione valvatos squales 
obliquos v. in labia dispositos diviso, v. in ligulam extus patentem apice 2-5-dentatam 
producto, v. interdum in floribus 9 subnullo tubo truncato, v. rarius in floribus 9 
corolla tota abortiva. Stamina tot quot coroll lobi iisque alterna, tubo corollz inserta ; 
filamenta supra iusertionem libera v. monadelpha.  Anthere lineares v. oblongs, in 
tubum. stylum cingentem connat v. rarius arcte conniventes, singule apice truncatze v. 
scopissime connectivo producto membranaceo vy. mucroniformi appendiculatz, basi integree 
2-lobz v. sagittate, lobis auriculisve antherarum contiguarum ad apicem connatis v. 
liberis, obtusis acutis v. in mucronem v. appendicem (caudam) ultra loculos productis ; 
introrsum 2-loculares, loculis parallelis linearibus longitudinaliter dehiscentibus.: Pollinis 
granule ssepius globosw, leves v. tuberculats. ^ Ovariwm inferum, l-loculare. Stylus 
filiformis, ima basi sepe bulboso-incrassatus, apioe dum perfectus in ramos 2 (rarius 
casu 3) intus basi y. usque ad apicem stigmatosos divisus, ramis rarius fere ad apicem 
concretis v. in floribus sterilibus submasculis stylus scpe indivisus; stylus denique in 
floribus 9 extus levis, in submasculisque extus sspe apicem versus papillosus v. 
hirtellus. Ovulum unicum, a basi loculi erectum, anatropum. Fructus (acheniwm) 
l-locularis, 1-spermus, indehiscens, siccus v. rarius carnosus, apice pappo (calycis limbo 
rudimentario v. mutato) setoso paleaceo v. coroniformi persistente y. deciduo coronatus 
v. ealvus, swpeque intra pappum in medio vertice annulum v. discum umbiliciformem 
epigynum persistentemque ferens. Semen unicum, e fundo loculi erectum, testa mem- 
branacea sspeque pericarpio nte, rarius crassiore ; albumen 0. Embyro rectus, 
cotyledonibus semiteretibus complanatis v. rarius leviter convolutis, radicula brevi infera. 
Herb:e frutices v. rarius arbores, indumento vario sepe tomentoso, in paucis generibus 
stellato. Folia opposita v. alterna, rarius verticillata, exstipulata v. rarius poet basi 
M 
