Syngonium. 126 



6. S. Donnell-Smithii Engl, in Engler's Bot. Jahrb. XXXVII. (4 905) U1. — Caudi- 

 culus scandens circ. i cm crassus, internodiis 4 — 5 cm longis. Foliorum petiolus circ. 

 3 dm longus, ad medium usque vel ultra medium vaginatus vagina apice soluta, lamina 

 trisecta, segmenlis ima basi cohaerentibus, inlermedio ovato vel late ovato obtuso, 

 1,5 — 2 dm longo, circ. 1,3 dm lato, segmenlis lateralibus oblique obloogis quam inter- 

 medium 1/4 — Y3 brevioribus et duplo angustioribus, oblusis, latere exteriore latiore, 

 costis posticis i — 1,5 cm denudatis, nervis lateralibus I. segmenti intermedii 1 — 2 ad 

 basin, 2 — 3 altius a costa abeuntibus, adscendentibus, in nervum coUectivum tenuem 

 a margine circ. 4 mm remotum conjunctis. Pedunculus usque 1 dm longus. Spathae 

 tubus oblongus circ. 5 cm longus, 2 cm amplus, lamina ovato- oblonga acuta 5 — 6 cm 

 longa, 5 cm lata. Spadicis inflorescentia feminea 2 cm longa, mascula sterilis \ cm 

 longa, 1,5 cm crassa, mascula fertilis clavata, 4,5 cm longa, supra medium fere 2 cm 

 crassa. Syncarpium 6 cm longum, 5 cm crassum. Semina ovoidea, 5 — 6 mm longa. 



Tropisches Zentralamerika: Guatemala, Dep. Escuintla, um 360 m ü. M. 

 (J. Donnell Smith n. 2238, 2243, 2782. — Blühend im Mäi-z 1890 — Herb. 

 Berlin). 



7. S. Hoffmannii Schott in Österr. Bot. Zeitschr. VIII. (1858) 178, Prodr. (I86O) 

 200; Oerst. Praec. Fl. C. Am. (1874) 55. — Forphyrospatha Hoffmannii Engl, in 

 DC. Mon. Phan. 1. c. 291. — Caudex scandens. Foliorum petioli 2 — 2,5 dm longi, va- 

 gina 1,25 — 1,5 dm longa, e basi latissima apicem versus valde angustata apice haud 

 soluta instructi; lamina trisecta, segmento intermedio 1,5 — 1,75 dm longo, 6 — 7 cm 

 lato, oblongo acuminato, basin versus subcuneato, nervis lateralibus I. utrinque 5—6, 

 adscendentibus, inferioribus in nervum xollectivum margini approximatum, superioribus 

 in nervum collectivum a margine remotum conjunctis, segmentis lateralibus seorsum 

 versis, oblongis paullo brevioribus, valde inaequilateralibus, latere interiore 2 cm lato 

 basin versus cuneatis, latere exteriore 3 — 4 cm lato basi rectangulo- vel obtusangulo- 

 truncatis, auricula extrorsum versa 2 — 3 cm longa 1 — 1,5 cm lata oblonga inslruclis, 

 costis in sinu vel utrinque denudatis, nervis lateralibus I. lateris interioris magis quam 

 lateris exterioris adscendentibus. Pedunculus brevis. Spathae subcoriaceae extus albidae 

 intus pallide purpureae tubus oblongo-ovoideus, 5 — 8 cm longus, spadicis stipili adnatus, 

 Jamina ovato-oblonga 7 — 8 cm longa, 6 cm lata, acumine 1 — 1,5 cm longo instructa. 

 Spadicis mediam spatham paulo superantis inflorescentia feminea 2,5 cm longa, 1,5 cm 

 crassa, mascula cylindroidea, basi atque apice obtusissima, 5 cm longa, fere 2 cm crassa, 

 basi sterilis. Synandrodia pauca dlfformia. Synandria ex staminibus 4 composita pris- 

 matica, 1,5 mm longa. Pistilla obovoidea 1 mm tantum longa, stigmate crassissimo 

 discoideo bilobo coronata, localis uniovulatis. 



Provinz des tropischen Zentralamerika. — Costa Rica: bei Candelaria 

 (C. Hoffmann n. 616 — Herb. Berlin). 



8. S. Vellozianum Schott in Österr. Bot. Wochenbl. IV. (1854) 418, Syn. (1856) 

 67 et Prodr. (I86O) 203; Engl, in Fl. bras. 1. c. 129, in DC. Mon. Phan. 1. c. 295. 

 — Aruni auritum Vell. Fl. Flum. IX. (1827) t. 113. — Scandens. Rami plantae juven- 

 culae graciles, internodia elongata, adultae breviora e viridi fuscescentia. Foliorum 

 petioli lamina paullo longiores, ultra medium vaginati, vagina apice breviter soluta, 

 lamina priorum latiuscule sagittata, lobis posticis obtusiusculis, antico semiovato duplo 

 brevioribus, posteriorum trisecta, segmento intermedio ovato vel oblongo-ovato, acuto, 

 l)asin versus pauUum rotundato-angustato, nervis lateralibus I. utrinque circ. 4 — 5 — 6 

 adscendentibus, inferioribus approximatis nervös coUectivos 2 — 3 a margine plus minusve 

 remotos efformantibus, segmentis lateralibus oblongis obtusis, inaequilateralibus, latere 

 interiore duplo triplove angustiore basin versus cuneatis, latere exteriore basi rotundatis 

 vel auricula semiovata retrorsa vel oblongo-obovata introrsa insti'uctis, costis posticis in 

 sinu longe denudatis, nervis lateralibus I. in latere interiore paucioribus, in latere ex- 

 teriore pluribus nervös collectivos 2 — 3 efformantibus. Pedunculi plures longuli graciles. 

 Spathae tubus breviter ovoideus, rai'ius oblongo-ovoideus, utrinque virens, limbus ovatus 

 acuminatus extus pallide flavo-, intus albo-virens. Spadicis laminae medium paullo 



