AEOIDE^. (ARUM FAMILY.) 



817 



Luf. 



Fig. 360. 



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

 tapering at tip; pistillate inflorescence depressed-globular, starainate 

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

 - Central Syria. 



5. B. Rii§§eliaiium5 Schott. 2f Leaves 20-40, linear to ob- 

 lanceolate, obtuse, glaucous below, .16 to .2 long, .005 broad. Pe- 

 duncle slightly exserted from soil, as long as tube 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, a 

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

 Aleppo to Aintab, and eastward. 



6, B. Alexasidrlniim, Boiss. If 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 .06 

 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 be 

 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 flowers 

 into a club-shaped or cylindrical, naked 

 appendage. Staminate flowers : 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, oo-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 at hilum — Cormous herbs, with 

 leaves sagittate or truncate at base 

 appearing before flowers. Spathe and spadix of an Amm. 



* Gorm rounded, witli leaves and imlmcle arising from its umUhcate 



centre. 

 1. A. I>io§coridi8, S. et Sm. U Luf. Petioles twice to thrice 

 as long as lamina, the uppermost sheathing for two-thirds its length; 

 lamina hastate, .25 to .35 or more long, lateral lobes oblong-triangular. 



lOG 



