93. AEACEJ3, 377 



blunt not dilated at the base, heads few racemose or spiked 

 distant, only 1 fnale head, stig. short oblong-lanceolate, fr. sessile 

 ovoid shortly leaked. — S. nutans Sm., E. B. 273. R. ix. 334. — 

 St. slender. L. pale, pellucid, long. Lowest fertile heads 

 sometimes very shortly stalked. [Often 2 male heads in Ireland 

 (A. G. More). S.kuitans Fr.Pl— Lakes and ditches. P. VII. 

 VIIL E. S. I. 



Order XCIII. AEACEiE. 



Fl. monoecious or perfect, placed on a spadix and often in 

 a spath. Barren and fertile fl. usually on diiFerent parts of the 

 spadix. Perianth none, or of 4 — 8 scales. Stam. many or 

 definite. Anth. turned outwards. Ovary free, with 1 or more 

 cells. Stigma sessUe. Fr. succulent. Embryo slit on one side, 

 — Arum has abundant raphides, Acorus none. 



Tribe I. ORONTU^E. Spath like a continuation of stem. Fl. 

 perfect. 



1. AcoBTJS. Fl. on a sessile spadix, appearing lateral. Peri- 

 anth 6-leaved, inferior, persistent. Stam. 6, filiform. 



Tr. II. AREJE. Spath convolute at the base. Fl. monoecious. 

 Perianth 0. 



2. Aeum. Perianth 0. Male fl. of I sessile 2-ceUed anther. 

 Fem. fl. placed lower, of 1 pistil. Top of spadix naked. 



1. Ac'oETjs. Sweet Flag. 



1. A. CaVamus (L.) ; st. with a long leaflike prolongation 

 (or spath) beyond the spadix.—^. B. 356. R. x. 429.— St. 5— 

 6 feet high, resembling the 1., swordshaped, flattened. Spadix 

 completely covered by the flowers, 2 — 3 in. long, lateral. St. 

 and 1. sweet-scented when crushed. — In water, rare ; except in 

 Norf. and Sufi'. *Between Lisburn and Moira, Oo. Down. 



E. L 



2. A'eum Linn. Cuckoo-pint. 



1. A. maculitum (L.) ; I. vei-nal aU radical hastate-sagittate 

 vidth dejlexed lobes, petiole as long as leaf-limb, spadix club- 

 shaped straight falling short of the spath. — E. B. 1298. R. vii. 

 8. — Root tuberous. L. with branching veins, green or spotted 

 with purple. Spath ventricose below and above, constricted in 

 the middle, with inflexed edges when open. Spadix usually 

 purple bliint ; with ovaries at the base ; above them whorls of 



