248 Vierteljahrsschrift d. Naturf. Gesellsch. in Zürich. 1921 



Jan. 1903, Junod 1726; Natal : Drakensberg, Biggarsberge, 1875 

 bis 1880, Rehmann 7061. 



Ursinia (§ Eu-Ursinia) Jacottetiana Thcll. spec. nov. 



Planta basi sublignosa, humilis, caespitosa. ßadicis fibrae satis 

 tenues, brunneae. Caudex brevis, repens, cortice brunneo-fuliginoso 

 tectus, sublignosus, breviter ramosissimus, ramis in fasciculum foliorum 

 et in pedunculum longum nudum pseudoterminalem abeuntibus. Folia 

 ad apicem ramorum caudicis fasciculatim congesta, partim pilis flaccidis 

 appressis albis brevibus araneoso-puberula, vix vel valde indistincte 

 impresso-punctata, crassiuscula, supra medium pinnatipartita lobis 

 plerumqe 5 remotis, aeque ac rhachis lineari-subteretibus, apicem 

 versus leviter dilatatis, supra sulcatis, subtus convexis, apice obtusius- 

 culis et subito in mucronem cartilagineum conico-acutissimum sub- 

 pungentem contractis, interdum bitidis. Petiolus subtus carinatus, 

 basi leviter vaginato-dilatatus et submembranaceus. Pedunculus 

 plerumque unicus ex quovis fasciculo, pseudoterminalis (revera 'tarnen 

 axillaris), longissimus (foliis multoties longior), gracillimus, inferne 

 anguloso-sulcatus, junior arachnoideo-puberulus, demum glabratus, 

 nudus et monocephalus. Capitulum mediocre, late turbinato-campa- 

 nulatum. Involucrum circ. 4-seriatum, phyllis minute papillosis et 

 apicem versus araneoso-pubescentibus, extimis brevibus triangulari- 

 lanceolatis vel triangulari-ovato-lanceolatis acutis marginibus rectis 

 anguste atrobrunneis, mediis triangulari-ovatis apice obtusioribus 

 ceterum similibus, intimis apice in appendicem suborbiculatam brun- 

 neam margine hyalinam dilatatis. Receptaculi paleae oblongae, hyalinae, 

 tenerae, apice 3-lobaelobo mediano suborbiculari rotundato-obtusissimo. 

 Flores radii circ. 14, neutri, ligula lanceolato-elliptica, involucro sub- 

 aequilonga, 5 — 7 nervia, apice obtusa, supra albida et basi lutescente, 

 subtus atropurpurea. Flores disci circ. 30, hermaphroditi, tubuloso- 

 infundibuliformes, flavi; limbi dentes triangulari-ovati, apice obtusi 

 et incrassati. Antherae, Stylus et Stigmata generis. Achaenia (florum 

 hermaphroditorum exterorum) oblique curvato-turbinata, glaberrima, 

 Longitudinaliter striato-sulcata. apice oblique truncata; pappus e 

 squamis 5 albis latissimis rhombico-suborbicularibus obtusissimis et 

 5 setis interpositis constans. 



Pflanze 10 — 15 cm hoch. Laubblätter (mit Stiel) etwa 3 cm 

 lang; Abschnitte ± 4 — 5 mm lang, gleich der Spindel ± 3 / 4 mm breit. 

 Kopfstiele 8 — 10 cm lang, 2 /a mm dick. Hülle 7 — 8 mm hoch, (ge- 

 presst) bis 15 mm im Durchmesser; apikales Anhängsel der inneren 

 Hüllblätter 2 X J2 mm breit. Zunge der Randblüten ca. 9 mm lang, 



