200 COMPOSITAfi. nrCOltU 



superata auriculaeformi-coroniformi scarioso, radii slerilia dilute brunnea 

 (| lin. longa) teretiusculo-subtriquetra, pappo superata magno intime cum 

 achaenio eoncreto eoque duplo longiore, tubum ligulae subaequante vaginae- 

 formi sed dimidiato aurioulaeformi ?el dorso inoisura rotundata medium va- 

 ginae attingente munito , vagina (pappus tubulosus) scariosa byalina ajbens, 

 ad marginem stramlnea, Buperne in laminam rotundatam auriculaeformem 

 internam, irregulariter dentato-laceram expansa, disci obscuriora (}lin. longa) 

 teretiusculo-incurva, basin versus angustata costata, costis suberosis ? — 10- 

 nis albis, pappo coronata (pariter 3 lin. longo) boroniformi auriculaeformi in- 

 terno, margine ct apice rotundato-truncato minute denticulato-crenato dilute. 

 flavescente scarioso carneo. — Herba Canariensis annua glabra pedalis: caule 

 foliato ramoso; foliis lingulato-oblongis vel obovatia dentato-serratis; ramis 

 elongatis superne nudis monocephalis; capitulis speciosis; flosculis concolo- 

 ribus aureis vel radiantibus intus brunneo-aureis. 



1. M. (HKYSANTIlKMi.M C. H. Schullz (Bipont.) 1. c. 247. — Pyreihrum Coleotlephiu 

 Cassini, Dict. XLI. 43. — ttatricaria Desrouss. in Lam. Encycl. 111.730. — Chrysanlhe- 

 mum I.inn. Spec. planl. 1254.) Styconis Mnrh. Mcthod. Suppl. 247. — DC. Prodr. \ I. 61. 

 — Pyrelhrutn Myconi Spr. Syst. vegeL III. 587. (excl. syn. Anthemidis repandae . 

 Crescit in regionibus Mediterraneis ad margines agrorum. 



2G71. C IIRYSAXTIIEMOI Dioscorid. 



(DC. Prodr. VI. 63. et VII. 298. sect. 1. — Wlprs. Repert. bot. syst. II. 637. — C. H. Schullz 



[BipontJ in B. Webb et Berlhelol, Phytogr. Canar. III. [2. sect.] 248.) 



[Character emendatus.] 



Capitulum multiflorum heterogamum: floribus radii uniserialibus lingulatis 

 foemineis, disci hermaphrodilis tubulosis quinijuedentatis. Ligulae 21 lineari- 

 oblongae (11 lin. longae, 3 lin. latae) 15-striatae, tubus (2 lin. longus) tere- 

 tiusculo-tetragonus. Stylus inclusus bifidus, ramis arrectis, apice truncato- 

 penicillatis. Flores disci innumeri hermaphroditi (2 lin. longi, tubo proprio 

 lineam longo), campanula hyalina tenerrima diaphana albida, dentibus 5 in- 

 crassatis flavis triangularibus obtusis terminata. Genitalia inclusa. Antherae 

 ecaudatae, appendice triangulari-ovata obtusa coronatae, styli rami inclusi, 

 apice truncato-penicillati. Involucrum hemisphaericum imbricatum (5 Iin. al- 

 tum), squamarum parte foliacea longitudinaliter striata ovato-oblonga rotun- 

 data, in scariositatem latam, apice in appendicem magnam rotundatam di- 

 latatam hyalinam albidam, margine minute denticulato-laceram abeunte. 

 Receptaculum convexum fere hcmisphaericum nec conicum, amplum (3 lin. 

 diametro metiens) nudum reticulatum. Achaenia diflormia brunnea costafa 

 transverse rugosa, radii fertilia (sesquilineam longa totidemque lata) robusta 

 turbinata triangulari-trialata, alis corneis, duabus lateralibus parvis, tertia 

 ventrali majore, omnibus apice in processum dentiformem extrorsum ex pau- 

 cis papillorum obtinentibus, dorsum convexum tricarinatum rugis nodulisque 

 transversalibus exasperatum punctisque resinosis munitum, venter ala me- 

 diana in parles duas divisus, carina percursas punctisque resinosis notataS, 

 achaenia disci exteriora fertilia, intima sterilia (:} lin. longa) turbinato-obcom- 

 pressa calva, ventre ala in dentem extrorsum terminata notata, dorso et late- 

 ribus carinata, inter carinas transverse rugoso-punctata punctisque resinosis 

 adspersa. — Herbae Gerontogeae annuae glabrae ramosae: foliis 1 — 2-pin- 

 natipartitis auriculato-semiamplexicaulibus; capitulis concoloribus flavis vel 

 floribus radii albis, speciosis. 



