66 MALME, DIE COMPOSITEN DER ERSTEN REGNÉLLSCHEN EXPEDITION. 



Isostigma Less. 



I. peucedanifolium (Spreng.) Less. — Baker, i. c. pag. 24 1. 



Måtto Crrosso: Cuyabä (In campo aperto, arenoso-glareoso, sicco. 18^Vii93. Malme 

 1158. — 18^^12 93. Malme 1158*.). 

 LigulfE atropurpurea?. 



I. foliosum Malme n. sp. 



IC: tab. nostr. VI fig. 17. 



Herba 35 — 50( — 65) cm. älta, radice perenni, incrassata, sat carnosa, sfepe nodoso- 

 fusiformi. Caulis ssepissime solitarius, erectus v. basi curvatus, sat firmns, teres, striatus 

 v. + mariifeste costatus, glaberrimus, inferne simplex, superne ramosus, tetra — deca-cephalus, 

 usque ad apicem foliatus. Folia basalia sat dense rosulata, lineari-oblanceolata, 7 — -15 cm. 

 longa, 4-— 7( — 9) mm. lata; caulina vulgo numerosa, apicem caulis versus sensim magis 

 magisque distantia (internodiis inferioribus 1 — 2 cm., superioribus 3 — 5 cm. longis), 

 descrescentia et in bracteas transeuntia, lanceolata v. lanceolato-linearia (inferiora basalibus 

 subtequalia, media 4 — 8 cm. longa, 2,5 — 4,5 mm. lata, superiora Sfepe vix 2 cm. longa); omnia 

 semi-amplexicaulia, integerrima, acuta, anguste subhyalino-marginala, glaberrima, paralleli- 

 nervia, nervis minus conspicuis. Pedunculi calathidiorum erecti v. erecto-patentes, vulgo 

 5 — 7 cm. longi, saspe bracteis 2 (rarius 3 v. solitaria) instructi, apice paullulum in- 

 crassati. Calathidia heterogama. Involucri late urceolato - campanulati, 7 — 8 mm. 

 longi squamce circiter 20 indistincte bi- v. triseriata?, anguste triangulares, acutte 

 v. acuminata?, 5 — 8 mm. longa?, 2 — 3 mm. latas, dorso glabras, luteo-virides, an- 

 guste subhyalino-marginataa, margine nonnihil lacerato-fimbriataä levissimeque ciliata?, 

 apice saspe paullulum purpurascente. Palece disci lineari-lanceolatas v. anguste triangulari- 

 lanceolatfe, 7—8 mm. longa?, 1 — 1,25 mm. lata?, acutte, ecarinatae, apicem versus levissime 

 ciliata?, ipso apice sa?pe purpurascente. Ligulce uniseriata?, sat pauca?, lutete, (cum ovario) 

 usque ad 15 mm. longa?; ovario sublineari, circiter 3 mm. longo, circiter 0,66 mm. 

 lato, margine pra?sertim superne pilis brevibus sat crassis ornato, apice aristis 2, subulatis, 

 circiter 1,5 mm. longis, mox patentibus munito; tubo brevi (circiter 1,5 mm. longo), sub- 

 cylindraceo, extus glabro; limbo oblongo-elliptico, 4 — 5 mm. lato, glaberrimo, apice 

 argute et profunde bidentato; stylo longe exserto, ramis longis, gracilibus, Hliformibus. 

 Flores disci numerosissimi, (cum ovario) vulgo 10 — 11 mm. longi; ovario 4 — 5 mm. longo 

 ceterum ut in ligulis; tubi glabri parte tertia inferiore sat gracili, subcylindracea v. superne 

 paullulum constricta, superiore multo crassiore, subcylindraceo v. sursum sensim paullulum 

 dilatato; limbi dentibus s. lobis erectis, circiter 1,5 mm. longis, e basi vix 0,5 mm. lata 

 sensim angustatis, apice obtusiusculis, et extus et intus glabris. Stamina e corolla longe 

 exserta, filamentis circiter 3 mm. longis, antheris circiter 2 mm. longis, basi paullulum 

 sagittatis, appendicibus apicalibus ovato-triangularibus, circiter 0,5 mm. longis, vix 0,25 

 mm. latis. Stylus e tubo stamineo longe exsertus, ramis longis, gracilibus, filiformibus. 

 Achenia (immatura) sublinearia v. lanceolata, circiter 5 mm. longa, 1 mm. lata, apicem 

 versus ciliata, ceterum glaberrima, nitidula; aristis subulatis, squarrosis, 1 — 2 mm. longis. 



