PENTANDRIA—DIGYNIA. 455

leviter canaliculato, basi expanso in vaginam brevem,latam , striatam , margine membranaceam ; superioraminora, suffulta vagina petiolari brevissima loco pe-tioli; caulina opposita, aut verticillata pro ratione ra-morum, quibus subjacent. Umbells solitariae, termina-les cauli, ramisque , grandes, praesertim primaria, pe-dunculata, decem-vigintiradiats. Involucrum universa-le olygophyllum, brevissimum, foliolis simplicibus, li-nearibus . Radii umbellae sulcati , glabri. Umbellulaagrandiusculae , subduodecimflorae , in umbella primariafloribus tribus-quatuor externis fertilibus, reliquis ste-rilibus , in umbellis lateralibus tot® steriles . Involu-cella olygophylla, brevissima, foliolis simplicibus, li-neari-acuminatis. Petala lutea. Stili in fructu recepta-culo triplo longiore:'. Diachenium ellipsoideum, intus,et extus album . Reliqua generis .

LOPHOCACHRYS.

Koch. in De Cand. Prodf. 4- p■ s38.

Cachryos sect. III. Lophocachrys De Cand. I. c.

p. 238.

Cachryos species Lin. Gen. p. i35.

Umbella composita , plana . Involucrum polyphyl-lum , umbella brevius, foliolis lanceolato-iineari-bus , acuminatis, vel pinnatis. Umbellul® mul-tiflora , floribus internis sterilibus . Involucellapolyphylla , umbellul® floriferae aequalia , fructi-feri breviora , foliolis lanceolato-linearibus . Mar-go calycinalis liber e laciniis quinque lanceola-tis, aut ovato-lanceolatis, acuminatis. Petala aequa-lia , ovata , integra , apice inflexo , vel involuto .Stamina corolla sublongiora , antheris subrotun-dis . Receptaculum floris dilatatum, convexulum,ora repanda, in fructu depressum, ora tumidu-la , crispula , in centro vix prominulum . Stilicrassi, in antbesi breves , erecti, in fructu diva-ricati , aut recurvi, receptaculo longiores. Stigmatacapitellata. Diachenium scrotiforme , ovoideum,