262 MB. N. E. BROWN ON SOME NEW AROIDEiE. 



^-"TrPHONiuM cuspid atum, Dene. 



To the synonymy of this plant as given by Engler, add : — Arum 

 angulatum, Griff. Notula, iii. p. 143 ? — A. flagelliferum, Griff. 

 Notulce, iii. p. 144. — A. flagelliforma, Griff. Itinerary Notes, 

 p. 13. no. 193. 



Additional Icones. 



T. DITABICATTTM, Dene. Schott, Gen. Aroid, t. 17; So-Mokou- 

 Zoussets, 2nd ed. xix. t. 4. — Arum trilobatum, Lodd. Bot. Cab. 

 t. 516 ; Engler in Bull. Soc. Tosc. di Ort. iv. p. 300 ; <$f Reprint 

 {Ar. Born. Sf Pap.), p. 14.— ?Xern. Hort. t. 285 {ex PritzeT). 



HeLTCOPHYLLUM, Schott. 



Additional Icones. 



H. angostatum, Schott,Aroid. p. 20, t. 29 ; Schott, Gen. Aroid. 

 t. 20. figs. 2, 9-11, 14, 15. 



H. crassipes, Schott, Aroid. p. 20, t. 28 ; Schott, Gen. Aroid. 

 t. 20. figs. 1, 3-8, 13, 16-29. 



H. Olitieri, Schott, Aroid. p. 20. t. 30. 



Helicodiceros, Schott. 

 Additional Icones. 

 H. cbinitus, Schott, Geel. Sert. Bot. 6. t. 49. 



Dbactjnculus, Schott. 

 Additional Icones. 



D. vuloabis, Schott, Icon. Ar. t. 23-24. — Arum Dracunculus, 

 I., Trans. Linn. Soc. xxii. p. 407, t. 68. f, 16-19 (germination). 



D. canaeiensis, Schott, Icon. Ar. t. 25. 



EXPLANATION OF THE PLATES. 



Plate IV. 



Cryptocoryne caudata, N. E. Br. 



Fig. 1. Leaf, natural size. 



2. Spathe, natural size. 



3. Base of spathe cut open, magnified 2 diameters. 



4. Spadix, magnified 5 diameters. 



6. Anther, seen from above, magnified 25 diameters. 



