Amorphophallus. 73 



H.A. Teuszii (Engl.) N. E. Brown in Th. Dyer, Fl. Trop. Afr. VIII. (<90l) 149. — 

 Hydrosme Teuszii Engl, in Regel, Gartenfl. XXXIII. (188 4) 2, t. i\ 42, in Araceae exsicc. et 

 illustr. ined. n. H5; in Engler's Bot. Jahrb. V. (1884) Beibl. n. 6, (nomen tantum), ibid. 

 XV. (1892) 459; Durand et Schinz, Gonsp. Fl. Afr. V. (1894) 475, Etudes Fl. Gongo I. 

 (1896) 276. — ■ Folii petiolus ad 5 dm longus viridis, lamina dichotoma, segmentis I. 

 3 — 4 dm longis bidichotomis, lateralibus seorsum cymoso-dichotomis, segmentis III. 

 3 — 7 cm longis, 1 cm latis elongato-lineari-lanceolatis, longe acuminatis, basin versus 

 altero latere angustatis, altero latiore, secus costulas longe decurrentibus, nervo collectivo 

 incompleto a margine haud longe remoto. Gataphylla 4 — 9 cm longa, pallide viridia, 

 hinc inde purpureo-striata. Pedunculus tantum 4 cm longus. Spathae 0,9 — 1,5 dm 

 longae tubus breviter ovoideus supra levissime constrictus, extus viridis, intus pallidus, 

 hinc inde purpureo-striatus, lamina ambitu oblonga, aperta, superne patens et 3 — 7- 

 secta, segmentis extus viridibus, intus alropurpureis, lateralibus brevioribus ovato-lan- 

 ceolatis vel ovatis acutis, intermediis longioribus lanceolatis magis patentibus. Spadicis 

 quam spatha circ. tertia parte brevioris inflorescentia feminea 1 — 1,5 cm longa, viridis, 

 cylindrica, mascula 2 — 3 cm longa, oblongo-conoidea flava, appendix 3 — 5 cm longa, 

 viridescens, infra medium leviter incrassata, supra medium tenuior. Staminum thecae 

 ovoideae laterales filamentum latum fere aequantes, connectivo paullum superatae. 

 Pistillorum ovarium 3 mm longum breviter ovoideum, stigmate dz semigloboso medio 

 excavato sessili coronatum, ovulo crasso anatropo fundum spectante. 



Westafrikanische Waldprovinz, Zone des unteren Kongolandes und 

 Angolas: Auf der Fürst Bismarcks-Insel im Quango unter 7° 35' s. Br. (Teusz in 

 Major V. Mechow's Expedition n. 406. — Gült, im Bot. Garten Berlin). 



Sect. IV. Rapyogkos*) Engl. 



Tuber elongatum napiforme. Pedunculus longus. Spatha aperta vix convoluta 

 appendicem paullum superans. Spadicis inflorescentia mascula femineae contigua, appendix 

 inferne vestigiis distinctis florum sterilium instructa. Pistillorum stilus ovario 3 — 4- 

 loculari subaequilongus, stigma profunde lobatum. 



12. A. longituberosus (Engl.) Engl, et Gehrm. — Hydrosme longituherosa Engl, 

 in Bot. Tidsskr. XXIV, I. (1902) 273. — Tuber juvenculum napiforme, circ. 5 cm 

 longum, 2 cm crassum, adultum cjlindrico-elongatum 1 dm et ultra longum, internodiis 

 inter turiones 5 — 6 cm longis, 1 ,5 — 2 cm crassis. FoMi petiolus circ. 3 dm longus, 

 viridis immaculatus, lamina trisecta, segmentis I. usque 1,5 dm longis, bipinnatisectis, 

 segmentis III. majoribus usque 1 dm longis, 4 cm latis, acumine 1 cm longo instructis, 

 infimis quam reliqua multoties brevioribus, nervis lateralibus segmentorum a costa fere 

 horizontaliter patentibus in nervum collectivum a margine distantem conjunctis. Pedun- 

 culus circ. 3 dm longus. Spatha usque 1 dm longa, 4 cm lata, oblonga, intus basi 

 verrucosa et atropurpurea. Spadicis sessilis spatham aequantis vel paullum brevioris 

 inflorescentia feminea 1,5 cm longa, mascula 2 cm longa, 8 mm crassa, conoidea, 

 appendix 4 cm longa, inferne 1,2 cm crassa basi vestigiis distinctis florum sterilium 

 instructa. Flores masculi stipite 1 mm longo instructi, 3 — 4-andri, stamina 1,5 mm 

 longa et crassa, subtetragona claviformia, thecae rimula verticali aperientes. Pistillorum 

 ovarium depressum, 2 mm diametiens, incomplete 3 — 4-loculare, ovulis in locuhs soli- 

 tariis basi in angulo sessilibus breviter ovoideis, stilus 1,5 — 2 mm longus; stigma 

 3 — 4-lobum, lobis fere 1 mm longis. Baccae 5 mm diametientes, subglobosae, 3 — 4- 

 spermae. Semina 4 mm longa, 3 mm crassa, ovoidea testa brunnea nitida instructa. — 

 Fig. 26. 



Monsungebiet, Hinterindisch-ostasiatische Provinz: Slam, Koh Kahdat, 

 auf sandigem Boden nahe der See (J. Schmidt n. 541, Den danske Siamexpedition 

 1899 — 1900. — Herb. Berlin, Kopenhagen). 



*) QÜnvg, Qunvog^ rapa et oyxos tuber, propter tuber napiforme. 



