TAB. 274
ECHINOPS OLIVIERI, Nob.
ECHINO P S , Linn. — Confer supra, p. 99 .
' S ubgenus ACANTTIOLEPIS, Less. — Confer supra, p. 99.
ECHINOPS OLIVIERI, Nob. — Confer supra, p. .99.
Ex parte A cantholepis orient alis, D. C., Prodr., vol. 6, p. 527.
Planta annua, erecta, ramosa, partibus plerisque plus minusve lanato-tomentosa, Echinopi Acantholepidi (Nob.) simillima,
ex speciminibus nobis obviis 3- 5-pollicaris. R adix perpendicularis, elongata, gracilis, subsimplex. Gaulis exilis, substrictus,
subteres, foliosus, toraento arachnoîdèo laxiusculo indutus (sub indumento rufescens), nunc fere a basi nunc altius solum
ramigenus. R ami subfastigiati, caule graciliores et parcius foliati, modo simplicissimi, modo apice breviter bi-v. tri-furcati,
plus minusve divergentes, v. subpatentes. F olia tenuia, integerrima, i-nervia, subavenia, supra laxe araneosa et snbcanes-
centia, subtus dense albo-lanuginosa, margine plus minusve revoluta (excepta infima) ; radicalia in speciminibus visis non
supersunt; cætera sessilia, lanceolata, v. lanceolato-oblonga, superiora gradatim minora; infima 2-2 1/2 pollices longa,
submutica, espinulosa, reliqua intra marginem remote spinulosa (superiora crebrius quarn inferiora; spinulis rectis, stra-
mineis, e dilatata basi setaceis, plerumque 2 lineas longis) et spinula simili aristulata. Capitula 10-20-flora , bemisphærica
v. ovato-subglobosa, terminalia, subsessilia, nunc solitaria, nunc gemina ternave, conspicue lanuginosa et involucellorum aristis
longe exsertis fuscis insignia. Involucrum exterius 5-8-phyllum, flores plus minusve superans, uniseriale ; foliola inæqualia
(6- 15 lineas longa), ascendentia, herbacea, rigidula, utrinque et præsertim subtus albo-lanuginosa, lanceolata v. lanceolato-
linearia, marginibus plus minusve revoluta, intra v. juxta marginem simili modo ac superiora plantæ folia remote spinulosa,
apice nunc brevius nunc longius costa excurrente aristulata, basi interdum dilatata et setoso-ciliata. I nvolucrum interius
constans e squamis 7-9, biserialibus, inæqualibus (3-5 lineas longis), planiusculis, cartilagineis, striatis, adpressis, lanceolatis
v. Ianceolato-oblongis, longe pectinato-fimbriatis (fimbriis stramineis v. albidis serrulatis), dorso lanugine albida elongata
indutis, apice aristatis ethaud raro foliaceo-acuminatis. R eceptaculum parvulum, fere hemisphæiicum, nudum, glabrum,
longitudinaliter oblique carinato-costatum. I nvolucellum floris 5-6 lineas longum, conico-cylindraceum, subsquarrosum ,
multisquamum, imbricatum, aristis suis florera longe superans , stipiti brevi crasso insidens, lanugine densissima intertexta
elongata alba subaccrescente(esetis pluriserialibus copiosis longe piumoso-fimbriatis flexuosis sub anthesi adpressis postea
laxioribus constante) obvallatum. Squamæ cartilagineæ, pluriseriales, inter se liber*', inæquilongæ ,(ab extimis brevibus ad
intimas gradatim longiores), heteromorphæ, dorso lanugine fuscescente intertexta elongata densissima indutæ, facie glabrae
et coloratae (exteriores stramineæ, interiores nigræ v. nigro et stramineo variegatæ), striât*, margine longe plumoso-fim-
briatæ (fimbriis rigidis, setaceis, serrulatis, stramineis), apice omnes aristatae; aristae tenues, rigidæ, fuscæ, rectæ v, recurvæ,
pleræque quamis ipsis fere æquilong*. Squamæ extimoe lanugine circumvallante occultât*, planiuscul*, lineari-spathulat*
v. subfiliformes, breve aristatæ (arista haud raro incurva), in toto fere ambitu fimbriatæ. Squamæ extimis proxime sequences
simulac interiores sublineares v. lineari-lanceolatæ, extimis latiores, coucav*, a medio v. solum supra medium fimbriatæ.
Squamæ intimoe oblong* v. oblongo-lanceolatæ, apice utrinque longe a-v. 3-selosæ (haud computata arista), cæterum margine
integerrimæ. F lores involucelli aristis longe superati. Corolla (ex sicco coerulescens) 2 -2 1/2 lineas longa, regularis,
glaberrima, limbo quinquepartito; tubus segmentis dimidio brevior, gracilis, pentagonus, ex inflata basi cylindraceus; segmenta
linearia, obtusa cum apiculo, basi concava, cæterum plana, per anthesin reflexa. Stamina corollæ summo tubo inserta,
limbo paululo breviora. F ilamenta glaberrima, libera, decurrentia, filiformia, antheris subtriplo breviora; articulo anthe-
rifero brevi. Antheræ lineares, in cylindrum stylo pcrvium concret*, basi bicaudatæ : caudis (collateralibus concretis ) fila-
mentum subæquantibus, setoso-cuspidatis, barbatis; barb* setulis infimis deorsum flexis, reliquis assurgentibus v. retrorsis.
Appendices-apicilares lineares, cartilaginei, acutiusculi, subæquales, thecis polliniferis subæquilongi. Stylus ex hemisphærica
basi filiformis, elongatus, antheras subæquans, apice subincrassatus et circumbarbulatus. Stigmata brévia, oblonga, obtusa,
ab ima basi discreta, dorso margineque papillosa, demum divergentia et subrecurva. O varium oblongum, compresso-pen-
tagonum, basi angustatum, uudique setulis compressis serrulatis stramineis basi et apice acutatis basi affixis dense sericeum,
pappo brevissimo (a setulis superioribus superato et abscondito) immediatim e verticis margine -orto coronatum. P appus
persistens, cartilagineus, albido et violaceo variegatus, coronæformis, constans e paleolis 25-3o, uniserialibus, inæqualibus ,