510 CLXVI. AROIDEJS. (J. D, Hooker.) \Typhonium. 



Tuber subglobose. Leaves 5-12 in. diara. ; lobes ovate, acute ; petiole 1 ft. or 

 shorter. Peduncle 1-4 in. Spathe 3-12 in. long ; limb 1^-4 in. broad, red purple 

 inside, nearly flat, tip not twisted. Appendage bright red, stout or slender. 



2. T. Roxburg-hii, Scliott Aroid. i. 12, t. 17 ; Prodr. 106 ; leaves 

 hastate or cordately triangular or 3-lobed or 3-partite with 1 rarely 2 veins 

 in the sinus, neuters above the fern. infl. subulate crowded spreading and 

 decurved, appendage very slender stipitate base truncate. jSaunders, 

 Eefug. Sot. t. 283. T. divaricatum y and 8, Engler Arac. 612. T. 

 javanicum, Miq.Fl. Ind. Sat. iii. 193 ; Ann. Mus. Lugd. Sat. iii. t. 3 B, in 

 Sot. Zeit. (1856) 563 ; Schott Prodr. 107 ; Engler Ic. ined. No. 13. Arum 

 trilobatum, Roxb. Fl. Ind. iii. 505 ; Wight Ic. t. 803. Arisarum amboin- 

 ense, Humph, v. 320, t. 110, f. 2. 



SINGAPORE, Kunstler (in Herb. Calcutt.), Ceylon, Thwaites. DISTRIB. Java. 



A smaller and more delicate plant than A . trilobatum with a very slender spadix 

 and much shorter decurved neuters. The tip of the spathe is very slender and 

 usually twisted in Ceylon specimens, as in Roxburgh's description; but not in 

 Saunders' figure. 



3. T. Motleyanum, Schott Prodr. 106 ; differs from T. Roxburghii 

 in the presence of 2-3 veins in the sinus of the leaves which are consider- 

 ably larger. T. divaricatum var. Motleyanum, Engler Arac. 612 ; Ic. 

 Arac. ined. No. 130. 



MALACCA, Herb. Wight- Maingay. PENANG, King's Collector. DISTRIB. 

 Borneo. 



Very near T. EoxburgJiii, with similar neuters, but leaves with much more 

 numerous nerves. 



4. T. divaricatum, Deem, in Ann. Nat. Hist. iii. (1834) ; leaves 

 hastate or deeply cordately sagittate entire or sub-3-lobed, tip of 

 spathe twisted, neuters above the fern. infl. short linear suberect, base of 

 appendage rounded or truncate. Wight Ic. t. 790 ; Slume Humph, i. 130, 

 t. 36; Kunth JSnum. iii. 26; Schott Aroid. i. 12, t. 18; Gen. Aroid. t. 17; 

 Syn. 17 ; Prodr. 106 ; Engler Arac. 611 (excl. vars.) Ic. ined. No. 128 ; So- 

 Mokou Zoussets, Ed. 2, xix. t. 4. Arum divaricatum, Linn. Sp.-Pl. Ed. 2, 

 1369 ; Roxb. Fl. Ind. iii. 503 ; Wall. Cat. 8930 ; Grah. Gat. Bomb. PI. 228. 

 A. trilobatum, Sot. Mag. t. 339 and 2324. Rheede Hort. Mai. xi. t. 20. 



DECCAN PENINSULA, Mootaloor, Eerb. Wight (ex Wall. Cat.). CEYLON; at 

 Colombo and Peradenya. DISTRIB. Malay Islds., Japan, China. 



Tuber curved. Leaves 2-5 by 2-4 in. ; petiole 4-8 in. Peduncle 1-2 in. 

 Spathe 4-7 by 1^-3 in., red brown, narrowed into a long tail sometimes twisted 

 at the tip. 



** Limb of spathe linear-oblong. 



5. T. diversifolium* Wall. Cat. 8933; leaves ovate-lanceolate 

 cordate sagittate or hastate to 3-5-lobed or pedatisect lateral lobes or all 

 triangular to linear, spathe acuminate, neuters above the fern. infl. with 

 clavate tips, appendage shorter than the spathe slightly swollen at the 

 cuneate base obtuse. Schott Ic. Aroid. i. 13, t. 20; Engler Arac. 617 ; N. E. 

 Sr. in Journ. Linn. Soc. xviii. 261. T. Huegelianum, Schott I. c. t. 19. T. 

 foliolosum, Engler 1. c. 618. Heterostalis diversifolia & foliolosa, 

 Schott in (Estr. Sot. Zeit. (1857) 261 ; Gen. Aroid. t. 18; Prodr. 110. H. 

 Huegeliana, Schoit II. cc.\ N. E. Br. in Gard. Chron. (1879) ii. 76. 

 Arissema ? Wall. Cat. 8928 in part. 



