12. JUNCEJE. 104. Acorus. 
PL end.ph. 
159 
Earn. VII. 12. JUNCEiE. De Candolle. 
Flowers hermaphrodite, or diclinous; perigonium free, 
often glumaceous, 6-sepaled ; stamens 6, rarely 3 ; filaments 
inserted in the base of the sepales ; anthers 2- celled; ovary 
1 ; 3-celled, many-seeded, seeds on the partitions ; or 
1-celled, 3-seeded, seeds at the base; style 1; stigmata 1 
or 3 ; capsule 3-valved, valves partition-bearing ; spermo - 
dermis neither crustaceous, nor black; perisperm cartila- 
ginous ; corculum enclosed. — Root annual or perennial, 
mostly fibrous ; rhizoma often creeping ; leaves sheathing, 
or approaching to sheathing ; flowers panicled or corym- 
bose, rarely spiked. 
Flowers in a round , lateral spike. 
Perigonium 6-cut ; style 0 ; capsule 3-angular, 
3-celled Acorus. 104, 
Flowers in a corymhus or panicle . 
Filaments naked ; caps. 1-celled, 3-seeded Luzula. 106. 
Filaments naked ; caps. 3-celled, many- 
seeded; stigmata 3 Juncus. 105. 
Filaments woolly ; caps. 3-celled, many- 
seeded; stigma 1, capitate Abama. 107. 
I. 104. ACORUS. Dioscorides. Sweetjlag. 
Spadix cylindrical, lateral, tessellated with flowers ; peri - 
gonium glumaceous, 6-lobed ; stamens 6 ; style 0 ; capsule 
3-angular, 3-celled, 1 -seeded. —Rhizoma creeping; leaves 
swordshape, sheathing one another at bottom ; spadix from 
the side of the leaf. 
Acorus undidatus. Wavy sweetjlag. 
Floral /en/'much longer than the spike. 
Acorus verus, sive Calamus officinarum, Park. 140; Ruii Syn . 437, 1. 
Acorus verus officials faho calamus, Ger. em. 62. 
Acorus calamus, Lin. S. P. 462. 
Acorus undulatus, Stokes Bot. Mat. Med. 2, 282. 
Banks of rivers ; perennial; June. 
Spadix 3 in. long, close covered with florets in a spiral 
line ; leaves very large, 3 or 4 feet long ; root aromatic. 
