S28 



CYCLAMEN ROHLFSIANUM SP. NOV. 



AUCTORE 

 P. ASCHERSOIV. 



Cum icône xylographica a cl. G. Schweinfurth delineata. 



Cyclamen Rohlfsianum (Ascherson in Aschers, et Barbey FI. Lib. Prodr. 

 ined. t. XIII, cf. Autran et Durand, Hortus Boissierianus 207 c. ic. (1896). 

 C. sp. an C. africanum Boiss. et Reut.? Aschers, in Rohlfs Kufra, 531 

 (1881). Tuber depresse ellipsoideum usque ad 3,5 cm. crassum, 2 cm. 

 altum, fuscum, inferne fibrilliferum, superne e centro caules usque ad 

 5 cm. longos dense cicatricatos apice foliiferos et floriferos prolrudens. 

 Folia synanlhia et hysteranthia. Petioli 3-18 cm. longi; laminée ambitu et 

 marginis incisione satis variée, plerumque transverse latiores, 4-7 cm. 

 longée, 5-11 cm. lalee, seepe ineequilateree, obtusiusculee vel acutee, late — 

 profunde cordai«, intégrée — acutiuscule 5-7 lobulatee, margine ineequa- 

 liter (subduplicato-) crenulatee — subcrenato-denticulatee, plus minus dis- 

 tincte vario modo maculis argenLeis variegatee. Flores auctumnales, odori. 

 Pedunculus fructifer spiraliler retractus, tum usque ad 1 dm. longus. Caly- 

 cis laciniee oblongo-ovatee, acuminatae, 4 mm. longée. Corolla fauce minute 

 (y-o mm.) « corniculata » saturatius, laciniee dilutius purpureee, quee e 

 basi angustata oblongee, acutee, 25 mm. longée, usque ad 7 mm. lalse, tubo 

 quadruplo longiores. Stamina 4 mm. supra tubi basin inserta. Antheree 

 5 mm. longée, superne (3 mm.) e fauce exsertee, 2 mm. a stylo superatee. 

 Capsula subglobosa, calycem superans, 5 mm. diam. Semina subrotunda 

 1-1'5 mm. diam. ^. 



Habitat in Cyrenaicee rupibus, in quarum fissuris tubera abscondita. 

 Primi legerunt cl. beati Rohlfs et Stecker prope Berenicen (Benghazi) ad 

 introitum specus in quo flumen subterraneum Lethes (Djôh), Novembri 

 1879 floriferum ! eodem loco legerunt 1881 b. Haimannl 1882 et 1884 cl. 

 Petrovich (n. 70 b. !). Preelerea prope Darnin (Derna) b. Taubert 8 Aprili 

 1887 (n. 255!). In horto cl. Barbeyi «au Rivage » e tuberibus a cl. Taubert 

 allatis floruit Octobri 1891. 



Species antheris exsertis ab omnibus congeneribus hucusque notis 



