Amorphophallus. 83 



23. A. purpureus (Engl.) Engl, et Gehrm. — Hydrosme purpurea Engl, in Bull. 

 Soc. bot. Fr. UV. mem. 8. (1907) 25. — Tuber depressum. Gataphylla 0,5 — i,5 dm 

 longa, lineari-lanceolata. Pedunculus quam spatha duplo longior, 2 — 3 dm aequans, 

 circ. 1 cm crassus. Spatha (expansa ovala), ad ^3 longitudinis convoluta, margine 

 undulata et plicata, intus purpurea, in fundo ad i/s longitudinis usque fibrillis fili- 

 formibus 3 — 4 mm longis densissimis instructa, 2 — 2,5 dm longa, tubum 4 — 5 cm 

 amplum efformans. Spadicis inflorescentia feminea cjlindrica, masculae leviter ob- 

 conoideae subaequilonga, appendix elongato-conoidea, quam inflorescentia triplo longior, 

 spatham superans, levissime irregulariter sulcata. Staminum filamenta brevia, basi 

 directione longitudinali spadicis dilatata, thecae obovoideae, poris 2 verticalibus instructae. 

 Pistilla ovoidea, stigmate late profunde 2 — 3-lobo instructa, lobis triangularibus acutis; 

 Ovaria 2-locularia, ovulis in loculis solitariis subsessilibus. 



Afrikanisches Wald- und Steppengebiet. Sudanische Park- und 

 Steppenprovinz, Senegambische Zone: Am oberen Volta, zwischen Banankolidoro 

 und Bama, an kühlen und schattigen Orten (Aug. Chevalier n. 929. — Blühend im 

 Juni ^899. — Herb. Mus. Paris). 



24. A. giganteus Blume in Rumphia I. (1835) 1 47 t. 34; De Vriese in PI. 

 Jungh. I. (1851) 40; Engl, in DG. Mon. Phan. II. (1879) 315; Hook. f. Fl. Brit. Ind. VI. 

 (1893) 517; Engl, in Engler's Bot. Jahrb. XXV. (1898) 16. — Ä. Blumei Schott in 

 Ann. Mus. Lugd. Bat. I. (1863) 124; Engl, in DG. Mon. . Phan. H. (1879) 316. — 

 Conophallus giganteus Schott Sjn. Ar. (1856) 3 4, Prodr. (I860) 128; Miq. Fl. Ind. 

 Bat. III. (1855) 198. — Dracontium polyphyllum Houtt. (ex parte) Nat. Hist. H. H. 

 (1780) 199. — Tuber maximum 3 dm et ultra diametiens, sphaeroideum, undique 

 tuberculatum. Folii petiolus 1 — 2 m longus, brachium humanum crassus, verrucoso- 

 asper, sordide virescens et albido-variegatus, lamina usque 1 m diametiens umbraculi- 

 formis, supra atroviridis, subtus pallidior, trisecta, segmentis 2 — 3-pinnatisectis, seg- 

 menlis III. et IV. lanceolatis longe acuminatis basi confluentibus altere latere cuneatim 

 decurrentibus, costis dorso variegatis atque asperatis. Pedunculus 1 m longus, laevis, 

 viridulus, purpureo-variegatus. Spatha 2,5 — 3 dm longa, 2 dm lata, late ovata, inferne 

 crassa, superne membranacea, margine subrepando-undulata, extus inferne sordide vires- 

 cens maculis nebulosis purpurascentibus notata, marginem versus atque intus purpureo- 

 fusca. Spadicis quam spatha pauUum brevioris inflorescentia feminea 3 — 4 cm longa, 

 2 cm crassa, mascula aequilonga et aequicrassa, appendix 1,5 — 1,8 dm longa, 3 — 

 3,5 cm crassa, ovato-conoidea. Ovaria obovoidea purpurascentia, stigma sessile. 



Monsungebiet: Südwestmalayische Provinz: Java, Bantam, am Strand (fide 

 Blume). — Bornco, Sarawak (Beccari, plante Born. n. 1055. — Herb. Florenz). 



25. A. longistilus Kurz Rep. Andam. 50, nomen ex Hook. f. Fl. Brit. Ind. VI. 

 (1893) 515. — Tuber depressum sphaericum. Folii petiolus 6 — 9 dm longus, viridis 

 purpureo-maculatus, lamina pluries partita, segmentis ultimis 4 — 12 cm longis, 2 — 

 7 cm latis ovatis vel elliptico-ovatis acuminatis, basin versus angustatis secus costulas 

 decurrentibus, nervo collectivo a margine remoto. Gataphylla pedunculi basin invol- 

 ventia. Pedunculus elongatus. Spatha circ. 3,5 dm longa, ovata acuta convoluta, atro- 

 purpurea, maculata. Spadicis quam spatha circ. quarta parte minoris inflorescentia 

 feminea circ. 4 cm longa cylindrica, mascula 4 cm longa obconica, appendix circ. 1,8 dm 

 longa, 2,5 cm crassa cjlindrica apicem versus attenuata, laevis, purpureo-violacea. 

 Stamina circ. 2 mm longa et crassa, thecis poris 2 apicalibus dehiscentibus. Pistillorum 

 ovarium 1 mm longum, stilus 5 — 6 mm longus, stigma capitatum 4-lobum. 



Nordwestmalayische Provinz: Andamanen: South Andaman (Kurz — Herb. 

 Mus. Galcutta). 



26. A, Harmandii Engl, et Gehrm. n. sp. — Folium ignotum(?). Pedunculus 

 tenuis, circ. 1,5 dm longus. Spatha 9 — 9,5 cm longa, circ. 5 cm lata, ovato-lanceolata, 

 acuta, erecta, convoluta albida. Spadicis quam spatha circ. dimidio vel magis longioris 

 inflorescentia feminea 0,5 — 0,7 cm longa, mascula 4 — 4,5 cm longa, elongato-conoidea, 

 appendix usque ad 1 cm longa, 3 mm crassa, tenuissima, elongato-caudata. Stamina 



6* 



