Spathiphyllum. 



121 



A. Perigonium margine superiore 6-lobum. 



a. Foliorum petiolus ad medium usque vaginatus, laminae 



aequilongus. Spadix stipitem aequans 23. *S\ Lechler ianum. 



b. Foliorum petiolus ad 1/3 longitudinis vaginatus, lamina 



brevior. Spadix stipite circ. duplo longior 2 4. *S. Gardneri. 



B. Perigonium margine superiore truncatum. 



a. Foliorum petiolus ad medium usque vaginatus. 



a. Lamina ovato- vel elliptico-oblonga, petiolum subae- 



quans vel paullum brevior 25. *S. cannifolium. 



ß. Lamina oblongo-lanceolata, circ. dimidium petioli ae- 

 quans '26. S. laeve. 



b. Foliorum petiolus ad 

 geniculum usque vagi- 

 natus 



27. Ä cofnmutatum. 



Sect. I . Euspathiphyllum 

 Engl. 



Euspathiphyllum Engl, 

 in DC. Monogr. Phan. IL 

 (4 879) 220. — Massowia 

 Subgen. Samowia C. Koch 

 in Bonplandia IV. (1856) 

 H . — Vide supra. 



1. S. cochlearispa- 

 thum (Liebm.) Engl, in DC. 

 Monogr. Phan. IL (1879) 

 221 (et in Arac. exsicc. 

 n. \l). — Hydnostachyon 

 cochlearispathum Liebm. in 

 Vidensk. Meddelels. (1849 — 

 50) 24; Walp. Ann. IIL 

 (1852—53) Un. — Spathi- 

 phyllum Liehmanni Schott 

 Aroid. L (1858) 2 et Prodr. 

 (18 60) 433. — Spathiphyl- 

 lum heliGoniifolium Schott 

 Aroid. L (1858) 2 t. 5—6. 

 — Caudex brevis. Foliorum 

 petiolus 4,5 — 7 dm longus 

 vagina subcoriacea persi- 

 stente basi utrinque 1 — 

 1,2 cm lata sursum sensim 

 angustata.geniculi 4 — 7,5 cm 

 longi basin haud attingente 

 instructus, lamina tenuiter 

 membranacea, late oblonga, 

 margine saepe leviter undu- 

 lata, basi rotundata vel sub- 

 cordata, imo in geniculum 

 subcuneatim angustata, 5 — 

 7,5 dm longa, medio 2 — 

 2,5 dm lata, nervis lateralibus 



Fig. 48. Spathiphyllum cochlearispathum (Liebm.) Engl. A In- 



florescentia. B Flos |1 sectus. C Spadicis pars. D Flos a 



latere visus. E Semen, F idem || sectum cum embryone. 



G Planta germinans. (Icon. origin.) 



