Orontium. 



153 



discedens atque pedunculo longe superata. Spadix tenuiter conoideus, densiflorus, sur- 

 sum florens. 



Species unica: 



0. aquaticum L. Spec. pl. ed. \. (1753) 463, Amoen. acad. III. («756) H t. 4, 

 flg. 3, Catesb. Hist. Car. I. (1733) t. 82; Ait. Hort. Kew. I. (I8i4) <99; Willd. Spec. II. 

 (1799) <99; Bartr. Fl. Am. II. (1822) t. 37; Torr. Fl. Un. St. I. (18^) 358; Pursh, Fl. 

 I. (I8U) 235; Lodd. Bot. Gab. t. 402; Hook. Exot. Fl. (1823—27) t. 19; Kunth, Enum. 

 III. (1844) 85; Schott, Gen. Aroid. (1858) t. 92, Prodr. (1860) 42 1; Engl, in DG. 

 Monogr. Phan. II. (1879) 213, in Engl.-Prantl, Püzfam. II. 3. (1889) 122; Britt. and 

 Brown, 111. Fl. N. Un. St., Can. and Brit. Poss. I. (1896) 364; Ghapm. FI. S. Un. St. 

 m. Ed. (1897) 466; G. Mohr, Plant life of Alabama (1901) 424; Small, Fl. South- 

 East. Un. St. (1903) 228. — Pothos ovata Walt. Fl. Garol. (1788) 224. — Aronia 

 aquatica Mitch. in Act. nat. cur. VIII. App. (1748) 206; Baill. Hist. pl. XIII. (1894) 

 r.08, in nota. — Foliorum petiolus 1,4— 2,4 dm longus, 6— 12 mm crassus, lamina 

 1,5—2,5 dm vel ultra longa, medio 0,25 — 1,2 dm lata, utrinque aequaliter angustata, 

 saepe paullum inaequilatera. Spatha longitudine valde variabilis, semper longe vagi- 

 nacea, plerumque lamina destituta, rarius lamina lineari-elliptica instructa. Pedunculus 



Fig. 3. Orontium aquaticiim L. A Habitus. B Spadix. C Flos supra visus. D Stamen dorso 

 Visum, E idem a latere Visum. F Flos H secLus. [A Icon. ongin.; B—F ex Nat. Pflzfam. II. 3. 



122, Fig. 79.) 



teres, 2 — 3 dm rarius ultra longus, 3 — 4 mm crassus, apicem versus paullum crassior, 

 "albescens. Spadix 2 — 3,5 cm longus, inferne 4 — 6 mm crassus, apicem versus sensim 

 atque leviter attenuatus, dilute flavus. — Fig. 3. 



Gebiet des atlantischen Nordamerika: Provinz des sommergrünen 

 Mississippi- und Alleghanj-Waldes: New Jersey, Tomsriver (P. Heuser — blühend 

 im Juni 1898 — Herb. Berlin); Philadelphia (Fr i edle y) ; Pennsylvanien (Hohenacker); 

 Pine Barrens (F. Tweedy — blühend im Mai 1880 — Herb. Berlin); Delaware 

 (Rafinesque in Herb. De Gandolle, Genf); Kentucky (Hooker — Herb. Berlin); Carolina 

 [Fräser — Herb. De Gandolle, Genf). 



Immergrüne Provinz der südatlantischen Staaten: Alabama (Jewetl); 

 Georgia (Harper n. 1456, 2059 — Herb. Berlin); Kingston, Lake Werden (Faxon 

 — ^ Herb. Berlin); Louisiana, New Orleans (Drummond); Florida (A. Gray — Herb. 

 Boissier); Central-Florida, bei Eustis, Lake Gounty (Nash n. 536 — blühend im April 

 1894 — Herb. Berlin). 



