186 Mr. J. Miers on the Calyceraceee. 
hemisphericum creberrime aggregata. Flores albi vel pallide 
virescentes. 
1. Nastanthus agglomeratus ;—Calycera Andina, nob. olim, Trav. 
Chile, ii. 531 ;—acaulis, e scapis numerosissimis radicalibus 
pluriserialibus in massam hemisphericam confertissime aggre- 
gatis cespitosa, radice fusiformi, scapis monocephalis, car- 
nosis, late compressis, intus planis, extus convexis, et hine ad 
medium folium solitarium gerentibus, seriei externe folio altero 
radicali donatis ; foliis oblongis, obtusis, imo cuneatis, valde 
carnosis, sicco submembranaceis, sinuato-laciniatis, laciniis 
paucis, breviter ovatis, subobtusis, imo in costam latam cras- 
sissimam decurrentibus, hine subsessilibus, caftule Vix su- 
perantibus; capitulis majusculis paulo convexis, carnosis ; 
involucri foliolis circiter 12, uniseriatis, rotundis, erectiusculis, 
apice obsolete 3-lobis, imo ad receptaculum connatis.—In 
Andibus Chilensibus, costa orientali, altit. 10,000 ped. 
Hane speciem anno 1825 inveni in ascensu vie excelsioris 
inter Mendozam et Aconcaguam ad stationem ‘ Las Cuevas ” 
nuncupatum, locis apertis et asperis gaudentem. Radix fusi- 
formis 5-6 poll. long. Planta mtegra, humo prona, formam 
hemisphericam 6-8 poll. diam. e scapis confertissimis aggre- 
gatis emulans. Scapus 3—4 poll. long. interne planus, extus 
convexus, summo latitudine fere capituli, et pallide virescens, 
hine ad imum gradatim angustior, extus folio unico donatus. 
Capitulum hemisphericum, 1-1} poll. diam., involucrum e 
foliolis circiter 12 subtriangularibus, obtusis, summo bisinuatis, 
imo ad marginem receptaculi uniserialiter connatis, erectiusculis. 
Folia in scapis exterioribus radicalia, 5 poll. long. in centralibus 
medium versus scapi affixa, 34 poll. long.; lamina carnosa penni- 
nervis ad marginem petioli crassissimi late decurrens. Recep- 
taculum carnosum convexum, | poll. diam., flores numerosis- 
simos creberrime fulciens, quorum plurimos abortivos ; denique 
acheniis numerosis densissime compactis tectum. Ovarium 
14 lin. long. Corolla pallide virescens florum sterilium 2 lin. 
long., fertilium 6 lin. long., tubo ultra medium gracillime 
contracto, superne campanulato, limbi laciniis 5 subcucullatis, 
erectis ; stamina inclusa, e contractione corolla enata; stylus 
longe exsertus. Achzenium oblongum 23 lin. long., 1 lin. diam., 
5-angulatum, inter angulos rotundatos profunde sulcatum ; 
angulis dentibus calycinis rotundatis concavis coronatis, hine 
apice umbilicatum, et in centro processu conico porrecto corol- 
lam persistentem ferente donatum, nitens, angulis medulla eellu- 
lari farctis, 1-loculare, 1-spermum ; endocarpio nitente 10-nervio. 
Semen funiculo brevi pendulum, teres, 1} lin. long., 4 lin. diam.* 
* A drawing of this plant in its entire state, and of the scape separately, 
