(29) HANS HALLIER. NEUE UND BEMERKENSWERTE PFLANZEN. 605 



44. Alocasia acuta m. — A. Portai Becc. et Engler in DG. Prodr. 

 Contin. If (IX. 1879), p. 645 excl. syn. Schott. — Schizocasia acuta 

 Engler Jahrb. I, 2 (30. VII. 1880), p. 186. 



PI. viva : Herba grandis, caulescens; caudex crassus, fuscus, cortice 

 rimoso, vaginarum fragmentis dilaceratis vestitus; petiolus longus, 

 crassus, viridis, obsolete zebrinus, nilidulus, glandulis sparsis conspicuis 

 planis orbicularibus viridibus lucidis formicas allicientibus prseditus, 

 teres, basi sensim in vaginam longam folia subsequentia basi tantum 

 involucrantem viridem dilatatus; lamina magna, pinnatiloba, supra 

 saturate viridis, nitida, undique nervo marginal! tumido anguste cincta, 

 subtus pallide viridis, nitidula, sub lente cavernis respiratoriis argenteo- 

 roridula, loborum venis densis parallelis saturatius viridibus hie illic 

 anastomosantibus lineata, undique nervo marginali duplice saturatius 

 viridi anguste cincta, utrinque nervis valde prominentibus robustis tere- 

 tibus costata; lobi lineari-lanceolati, acumine parum procurvo terminât!, 

 basales 2 profunde bifidi, ramo basali iterum breviter bifido, terminalis 

 brevissimus. obliquus, rolundatus, acumine parvo brevissimo mucronato 

 decurvo falcato terminatus, lobis 2 psenullimis compluries brevior; 

 inflorescentiee breviter peduneulatse, complures e petiolorum vaginis 

 prospicientes, vaginis scariosis fuscis intermixti; pedunculus viridis; 

 spathse tubus parvus, ovoideus, dorso obtuse carinatus, subtrigonus, 

 luteo-viridis, striis longitudinalibus irregularibus dilaceratis violaceis 

 maculato-striatus, pruina tenui cerea subglaucus, lamina tubo multoties 

 longior et compluries angustior, longissima,convoluta, teres, acuta, viridis 

 striisque multo minoribus densioribusque sordide atroviolaceis pieta, 

 paulo supra basin transverse undata et aperta, ceterum clausa; spadicis 

 pars infima (feeminea) brevissima, crassa, lsete viridis, seeunda (mascula 

 sterilis) tenuis, parum longior, elongalo-conica, squamis magnis rhombeis 

 carneis dense vestita, tertia (mascula fertilis) multo longior, iterum 

 incrassala, cylindrica, ochroleuca, synandriis densis squamseformibus 

 sexangularibus minute serrulatis obteeta, appendix tenuis, longissimus. 

 teres, obsolete rugosus, colore cereo; Ovaria subglobosa, pallide et lsete 

 luteo-viridia, nitida; Stigmata depresso-capitata, irregulariter et obsolete 

 lobata, sordide carnea. 



Caudex 15 cm. altus, 3 cm. crassus; petiolus fere 5 dm. longus, apice 

 7 mm., basi cum vagina 2 cm. crassus, vagina 2 dm. longa; lamina 4 dm. 

 longa, ultra 35 cm. lata, lobis lateralibus usque ultra 18 cm. longis, 45 mm. 

 latis, terminali 2-5 cm. longo, ca. 4 cm. lato; spathœ tubus 25-30 mm. longus, 

 ca. 15 mm. latus, lamina usque 13 cm longa, 6-8 mm. crassa; spadix 14 cm. 



