184 • A. Engler. — Araceae-Aroideae. 



54. A. Bottae Schott, Prodr. (1860) 42; Engl, in DC. Mon. Phan. II. (1879) 

 551 . — Monophyllum, dioicum, imperfecte cognitum. Folii petiolus circ. 4 dm longus, 

 longe ultra medium vaginatus, lamina 5-secta, segmentis mediis 3 oblongo-elliphcis, 

 circ. 1 dm longis, 4 cm latis, extimis duobus oblongo-lanceolatis angustioribus, oranibus 

 cuspidato-acuminatis, basi cuneata sessilibus, nervis lateralibus angulo acuto a costa 

 abeuntibus adscendentibus inter se circ. 7 — 9 mm distantibus, in nervum collectivum 

 a margine circ. 3 mm remotum conjunctis. Pedunculus petiolo longior; spathae tubus 

 campaniformis haud constrictus circ. 3 cm longus, 2 cm amplus, lamina quam tubus 

 duplo et ultra longior valde concava oblonga acuta, 6 — 7 cm longa, 2 cm lata. Spadicis 

 inflorescentia circ. 2,5 cm longa, appendix stipite 1 cm longo suffulta clavata, inferne 

 crassior, 3,5 cm longa. 



Afrikanisches Wald- und Steppengebiet. 

 b. Nordostafrikanische Hochland- und Steppenprovinz. — Unterprovinz 

 des abyssinischen und Galla-Hochlandes mit Eritrea und Yemen. — Yemen: 

 Ahl el cäf (Botta — Herb. Mus. Paris); auf dem Berge Sabor (Botta nach Deflers). 



Species verisimiliter hujus gregis, incomplete cognita : 



55. A. brevipes Engl, in Engler's Bot. Jahrb. XXXVI. Beiblatt 82 (1905) 11.— 

 Monophyllum, dioicum. Tuber subdepressum circ. 5,5 cm latum, 3 cm altum. Cataphylla 

 plura lineari-lanceolata, 1 dm et ultra longa. Folii petiolus quam lamina pluries brevior 

 (in specimine unico suppetente 6 cm longus), lamina subtus glaucescens radiatisecta, 

 segmentis late oblongis vel oblongo-lanceolatis in ansam fere 4-plo breviorem 5: — 6 cm 

 longam cuneatim angustatis, 5 — 7 mm longe cuspidatis, cum ansa et cuspide circ. 3 dm 

 longis, 9 — 10 cm latis, nervis lateralibus I. pluribus arcuatim patentibus inter se circ. 



1 cm distantibus in nervum collectivum irregulärem a margine 5 — 6 mm remotum 

 conjunctis. Pedunculus petiolum paullum superans; spatha incognita. Spadix fructifer 

 crasse conoideus usque 1 dm longus, inferne 5 cm, superne 2 cm crassus. Baccae 

 7 mm diametientes ; semina subglobosa, 3 mm crassa. Inflorescentia mascula et appendix 

 incognita. 



Subtropisches ostasiatisches Übergangsgebiet. 

 Nord-Schensi: Miao-wang-schan, im Gebiet von Pao-ki-scen (Scallan in Herb. 

 Giraldi n. 6201 — fruchtend im Juli 1899). 



§ 6. Franchetiana Engl. 



Spadicis appendix tenuiter claviformis, basi versus inflorescentiam contracta, sur- 

 sum attenuata, recta vel leviter curvata. Spathae faucis margines haud auriculati. 

 Antherarum thecae haud fissura lunata dehiscentes. Folii lamina panduriformis triloba 

 aut trisecta, segmentis sessilibus latissime ovatis. 



A. Spathae lamina leviter curvata longe acuminata . .'56.-4. Franchetianum. 



B. Spathae lamina valde curvata, galeata longe caudata. 57. A. purpureogaleatwn. 



56. A. Franchetianum Engl, in Engler's Bot. Jahrb. I. (1881) 487. — Tuber 

 globosum. Cataphylla brevia, oblonga vel oblongo-lanceolata, acuta, summum usque 

 6 cm longum. Folii unici petiolus 2 — 2,5 dm longus ; inferne purpurascens, superne 

 viridis, lamina aut panduriformis triloba, lobo antico semiovato 1,6 dm longo, 1,8 dm 

 lato, lobis posticis ovatis 1 ,2 dm longis, 8 cm latis, aut trisecta, segmentis subsessilibus, 

 latissime ovatis, lateralibus inaequilateralibus 1 dm longis, 8 cm latis, intermedio aequi- 

 laterali basi truncato 1,5 dm longo, 1,3 dm lato, omnibus breviter acuminatis acutis, 

 margine binc inde undulatis, nervis lateralibus I. paucis inter se 1.5 — 2 cm distantibus 

 in nervum collectivum a margine 2 — 3 mm remotum conjunctis. Pedunculus 0,8 — 



2 dm longus, purpurascens, pallide punctulatus; spathae atropurpureo- et albo-vittatae 

 tubus cylindricus 7 cm longus, 1,5 — 2 cm amplus, supra leviter curvatus, in laminam 

 paullo longiorem sensim acuminatam transgrediens. Spadicis masculi inflorescentia 

 conoidea 2 cm longa; spadicis feminei inflorescentia breviter ovoidea; appendicis pars 



