of the Class Composite. 993 



guiculares. Flos speciosus, terminalis, solitarius, pedun- 

 culatus. Pedunculus teres, superne incrassatus, undique 

 squamis plurimis, ovalibus oblongisve, coriaceis, concavis, 

 glabris munitus, uncialis. Involucrum globosum, sextu- 

 plici circiter serie imbricatum, ut et pedunculus, l^ve, 

 magnitudine atque structure Centaurea mqjori simillimum : 

 squamis obtusissimis, integerrimis, coriaceis, adpressis, he- 

 vibus, extends gradatim minoribus ; intimis elongatis, ligu- 

 latis. Pxeceptacuhwi depressum, nudum. Flosculi numero- 

 sissimi, hermaphroditi, infundibuliformes, longissimi, (bi- 

 unciales): tubo basi coriaceo : fauce dilatata : Urn bo' pro- 

 fundi 5-partito: segmentis linearibus, obtusis, spiraliter 

 revolutis, nervis primariis validis marginatis, 10 lineas lon- 

 gis j nunc primum 2 v. 3 margine inter se connexis, tunc 

 floscukun bilabiatum aemulantibus. Stamina inter limbi 

 lacinias inserta : filamenta tubo corolhe omnino arete ad- 

 haerentia, e sinubus superne tantum libera, gracilia, gla- 

 bra: anthera pollicares, in tubum coalite, appendice line- 

 ari-lanceolatct, acuminata, coriacea, rigida terminate basi 

 anstis 2 simplicibus, setaceo-attenuatis, longissimis (semi- 

 polhcaribus) instructs. Stylus longitudine staminum, fili- 

 formis, glaber. Stigma bilobum, exsertum : lobis semicy- 

 lmdncis, acutis, pruinosis, recurvis. Achenia angusta, 

 pentagona, hinc convexiuscula, undique rugulosa, pube- 

 scenha, semuncialia. Pappus longissimus (sesquiuncialis) 

 persistens, croceus : radiis triplici v. quadruplici ordine di- 

 gests, setaceo-capillaribus, teretibus, rigidiusculis, undique 

 puberulis, scabris, apice penicillato, mucronulato ; intimis 

 compressis. 



Obs.— Hujus stirpis pulcherrimre exempla quatuor a Langs- 

 dorffio et Sellovio communicata vidi. 



2. S. parviflora, 



