AROIDE^. (ARUJr FAMILY.) 



817 



appendix of spadix slender, cylindrical, somewliat shorter than spathe, 

 tapering at tip; pistillate inflorescence depressed-globular, starainate 

 cylindrical, twice as loug, a little longer than interspace — December 

 - Central Syria. 



5. B. Rii§scliauiiiii, Schott. 71 Leaves 20-40, linear to ob- 

 lanceolatc, obtuse, glaucous below, .10 to .3 long, .005 broad. Pe- 

 duncle slightly cxserted from soil, as long as tul)c of spathe ; tube of 

 spathe ovate-oblong, connate to middle, one-half to one-third as long 

 as oblong-lanceolate, blackish-purple lamina; appendix of spadix 

 somewhat shorter than spathe, cylindrical-club-shaped, blackish-purple; 

 pistillate inflorescence hemispherical, stamiuate short-cylindrical, :i 

 little longer, one-third as long as interspace — ;March and April - 

 Aleppo to Aintab, and eastward. 



6. B. Alcxaudriiiiiin, Boiss. 21 Leaves few, linear to linear- 

 lanceolate, .005 or less broad, tapering to a narrow petiole, with often 

 wavy margins. Peduncle usually longer than spathe; spathe .03 to .00 

 long, dark greenish-purple, tube ovate, connate throughout, abruptly 

 contracted into a linear lamina twice its length ; appendix of spathe 

 filiform, blackish-purple, as long as spathe or longer ; pistillate inflores- 

 cence short-ovate, staminate short-cylindrical, rather loose, about as 

 long as interspace — November to February — Said by Tristram to l)e 

 found at Gennesaret. An Egyptian plant. 



3. ARUM, L. Arum. 



Spathe broad, convolute at base in- 

 to an ovate or oblong tube, ending in a 

 concave lamina. The pistillate flowers 

 at base of spadix, and the staminate at 

 the tip of the lower segment ; the spadix 

 produced above the staminate flo^vers 

 into a club-shaped or cylindrical, naked 

 appendage. Staininate floicers : anthers 

 3-4 together, 2-celled, the connective 

 often prominent, dehiscent by a short 

 slit a little one side of tip. Pistillate 

 flowers: ovary 1-celled, cc-ovuled, stig- 

 ma sessile, hemispherical. Ovules ortho- 

 tropous, horizontal, attached by short 

 funicles to the parietal placenta. Abor- 

 tive stamens with a bulbous base, between 

 the pistillate and staminate flowers, and 

 often above the staminate. Berries 1 - 

 celled, few-seeded; seeds globular, with 

 somewhat leathery testa, thickened and 

 fungous athilum — Cormous herbs, with 

 leaves sagittate or truncate at base 

 appearing before flowers. 



Luf. 



Fig 



^patlie and spadix of an Anini. 



Corrfi rounded, loitli leaves and peduncle arising from its umlilicate 



centre. 

 1. A. Dioscoridis, S. et Sm. If LaJ. Petioles twice to thrice 

 as long as lamina, the uppermost sheathing for t^YO-thirds its length ; 

 " " " 35 or more loug, lateral lobes oblong-triangular^ 



100 



lamina hastate, .25 to 



