Arisaema. 199 



appendix stipite (in spadice masculo 2 — 3 mm, in femineo 5 — 6 mm longo) suffulta, 

 basi pallida, dilatato-ovoidea, sublobulata, (in spadice masculo 3 mm, in femineo usque 

 6 mm crassa), supra tumorem zh contracta, deinde sensim attenuata tenuiter cylindrica, 

 1 — 1,5 mm crassa, atrobrunneae tubo exserta, erecta vel procurva vel oblique porrecta. 

 Flores masculi sessiles, plerumque diandri. Pistillorum ovarium brevissime obovoideum, 

 5 — 9 ovulatum, in stilum 5 mm longum, stigmate depresso coronatum contractum. 



Sz-t schwan: Tongolo (Souliej n. 2989 et 2990 — Herb. Mus. Paris, Herb. 

 Berlin). 



§ II, Pistillata Engl. 



Spadicis appendix distincte stipitata et supra stipitem basi sua truncata dt cylin- 

 droidea. Spathae faucis margines haud vel vix reflexi. Antherarum thecae haud rima 

 lunari dehiscentes. Foliorum lamina trisecta vel tripartita aut pedatisecta vel pedati- 

 partita. 



A. Folii lamina trisecta. 



a. Folii segmenta apice acuta, haud acuminata 75.-4. triphyllum. 



b. Folii segmenta acuminata 76.-4. Wattii. 



B. Folii lamina tripartita, segmento intermedio vel etiam late- 

 ralibus ansatis. 



a. Folii segmenta subaequalia, elliptica vel elliptico-lanceo- 



lata 77.-4. onoticum. 



b. Folii segmenta lateralia valde inaequilateralia saepe ima 



tertia parte lobo lato instructa 78.-4. lobatum. 



C. Folii lamina pedatisecta vel pedatipartita. 



a. Folii lamina pedati-5-secta. % 



a. Spathae tubus cylindroideus 79.-4. quinatum. 



ß. Spathae tubus infundibuliformis. 



I. Segmenta lateralia ansis haud decurrentia . . . 80.-4. amurmse. 



II. Segmenta lateralia ansis decurrentia 81.-4. saxensoo. 



b. Folii lamina pedato-5 — 11-secta, segmentis oblongis vel 

 oblongo-lanceolatis, integris vel serratis 82. A. serratum. 



D. Folii lamina pedati-9 — 4 9- vel 7 — 17-secta, segmentis 

 anguste oblongis vel oblongo-ellipticis, acuminatis. 



cc. Spathae lamina elliptica vel ovato-elliptica, longe 



acuminata 83. -4. Takedai. 



ß. Spathae lamina oblongo-ovata vel lanceolato-ovata, in 



caudam longam angustata. . 84.-4. tosamse. 



75. A. triphyllum (L.) Torr. Fl. N. York II. (1843) 239; Chapman, Fl. South. 

 Un. St. (1860) 440; Gray, Man. 5. ed. (1872) 476; Nicholson, Dict. of Gard. I. (4 884) 

 412, fig. 4 48; Britton and Brown, Illustr. Fl. North. Un. St. I. (4 896) 364, Fig. 876; 

 Gray's New Man. (4 908) 257. — Arum triphyllum L. Sp. ed. 4. (4 753) 965, ed. 2. 

 (1763) 1368 pr. p. [Pluk. Alm. (1696) 52, t. 77, f. 5 et amalth. 52, t. 376, f. 3; 

 Moris. hist. III. (1699) 547, s. 13, t. 5, f. 43]; Willd. Spec. IV. (1805) 480 pr. p.; 

 Michx. Fl. bor. am. II. (1803) 188; Pursh, Fl. Am. sept. II. (1814) 399; Bigelow, 

 Med. Bot. 1. (1817) 52, t. 4; Ell. Bot. South Carol. II. (182 4) 629; Mart. in Amoen. 

 bot. Monac. (1829) 4 6, f. 4 4; Schott, Melet. I. (4 832) 4 7; C. Mac Millan, Metaspermae 

 of Minnesota Valley X. (4892) 432. — Arum triphyllum, var. xebrinum Bot. Mag. 

 t. 950; Bot. Cab. t. 320; Gray, Man. (4 848) 446. — Arum atrorubens Ait. Hort. 

 Kew. III. (4789) 315; Willd. Spec. IV. (1805) 481; Beck, Bot. North. St. (4 833) 

 38 4. — Arisaema atrorubens Blume in Rumphia I. (4 835) 97; Kunth, Enum. III. 

 (1841) 17; Morren in Ann. Gand. (1846) t. 58; Schott, Syn. (1856) 26, Gen. Ar. (1858) 

 t. 6, f. 27 (germinatio), Prodr. (1860) 32; Engl, in DC. Mon. Phan. II. (1879) 535. — 

 Arisaema brasilianum Blume in Rumphia I. (1835) 96 (Dod. Mem. 81, f. 273); Schott, 

 Syn. (1856) 26. — Arisaema hastatum Blume in Rumphia I. (1835) 96 (quoad spatham 



