ÖSTERREICHISCHE 



ßDTAilSCHE ZEITSCEBIFT. 



Herausgegeben und redigirt von Dr. Richard R. v. Wettstein, 



Professor an der k. k. Universität in Wien. 



Verlag von Carl Gerold's Sohn in Wien. 



XLIX. Jahrgang, N»- 7. 



Wien, Juli 1899. 



Zwei neue, tibetanische Gentianen aus der Section 

 Comastoma Wettst. 



Von Sv. Murbeck (Lund). 



Gentiana Hedini. — Nova species. — Planta biennis, 

 9 — 20 centimetra alta. Caulis basi in ramos sat graciles, adscen- 

 dentes vel adscendenti-erectos divisus, ima basi plurifbliatus, caeterura 

 oligophjllus vel etiam aphyllus ; internodia 2 — 5, inferiora abbreviata, 

 supremum (pedunculus) valde elongatum, denique 8 — 15 cm longum. 

 Folia infima lingulata, obtusa. 10 — 22 mm longa, 3 — 5 mm lata, 

 caetera lingulato- vel ovato-oblonga, obtusiiiscula, 25 — 10 mm longa. 

 Flores pentameri (interdum 6 — 7-meri). Calyx fere usque ad basin 

 partitus ; phylla exteriora e basi rotundata late ovata, plana vel extus 

 convexiusciila, interiora oblonga vel ovato-oblonga, omnia obtusa, 

 erecta vel erecto-incurva, extus viridia, intus (saltem interiora) pal- 

 lide violascentia vel albida, aurantiaco-venosa et haud raro fimbriarum 

 Serie transversali ornata, basi in appendicem brevissimam producta, 

 marginibus epapillosis saepius undulata. Corolla sub anthesi cam- 

 panulata vel campanulato-cylindrica, 13 — 16 mm longa, postea late 

 cylindrica longitudine 16 — 19 mm, fere usque ad medium lobata; 

 tubus calycem subaequans, 4 — 5 mm latus, albidus, venis aureis et 

 virescentibus longitudinaliter striatus; lobi suberecti 5*5 — 9 mm 

 longi, 3*5 — 4-5 mm lati, oblongi, obtusi, albidi vel vix coerule- 

 scentes, venis aurantiacis valde ramosis anastomosantibus pulcherrime 

 picti; squamae cujusque lobi in unam connatae, profunde pectinato- 

 fimbriatae, fimbriis albis, limbo subtriplo brevioribus, fibro vasali 

 destitutis. Staraina in tertia parte tubi superiore inserta eumque 

 uon vel parum superantia; filaraenta papulosa; antherae basi pro- 

 funde cordatae, apice rotundatae vel subemarginatae. Stylus nullus; 

 Stigmata late ovato-oblonga. Ovarium fusiforme. Semina (nondum 

 matura) late ellipsoidea, exalata, in quaque placenta pluriseriata. — • 

 Florens lecta die 5 Aug. Fig. 1—3. 



Nördliches Tibet: Sarik-kol (altit. circ. 4800 metr.); leg. 

 Dr. Sven Hedin. 



Oesterr. botan. Zeitschr. 7. Heft. 1899. 



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