JUNCE^ — MKLANTIJACE.1.. 249 



gled, sul>ulaic. concave, shenthin;; at the hafc. Flou'^rs in terminal pani- 

 cJes, s«.>litary, or !)>• pairs. 7^f/tv.«i)f the perianth acute, ihe 3 exterior loiiijest. 

 March — .>lay. On the coast. 3-6 in. 



7 J HiFi-oRUS. N/rm erect, glabrous, leafy. Z^/ivcs linear, flat, sheathing- 

 Floicrrs in long panicles. I-eavts of the perianth lanceolate, somewhat fer" 

 ruinous. Stamens 3. 



% May — July. Around ditches and ponds. 2-3 ft. 



8 J Aristatus. STfwi erect, compressed. /^rtiv» flat, glabrous, nerved , 

 sheathing at the l>nse. Fton^rg in terminal panicles. 



% ^lay — June. Damp soils, common. 2-3 ft. 



9 J Repens. Siem geniculate, compressed, leafy. Leaves linear, flat 

 Flowers in lateral and terminal fascicles. Stamirix 3. Leaves of the peri- 

 anth subulate, acute, the inti-rior longest. 



% May — July. Muddy soils, very common. 6-12 in. 



10 J ArvMiXATi'S. 5^fm terete, jointed, glabrous. Z,care.<f terete, jointed, 

 \nth an open sheath at ihe base. Flowers iu trichotomous panicles. Leaves 

 of the perianth acute, rigid, nearly espial. Stamms 3. 



'2|. March— May. Damp, wet places. 1-2 ft. 



11 J Poi.vcEPHAi.us. Stem compressed towards the base, terete above. 

 Leaves ensiform, jointed, compressed, lomr. Flourrs in panicles, composed 

 of numerous heads. LcatH-s of the periatith acute, nearly equal. S(atneus3. 



12 J EcHi.NATrs. S/em terete,Jglabrons. Xcaiv* terete, jointed, sheathing 

 at the base. Flowers in large, terminal heads. Leaves of the })erianth sub- 

 ulate, rigid. Stamens 3. 



% May — Aug. Wet soils, very common. 2 ft. 



13 J Campestris Stem leafy, terete. Leaves flat, pubescent, shorter 

 than the stem, very hairy at the throat of the s'leath. Flowers in a s^imple 

 umbel. Leaves of the perianth ovate, acuminate, with membranaceous mar- 

 gins. Capsule 3-angIed, triincate. 3-valved, 3 seeded. 



% May— June. Abundant near Macon. 



Ge.nus II PLEEA. 



Pcrm;j/?i C-partcd, oxpandlng. Stamens 9. Sfylrs^. Cap- 

 sule 3. angled, 3.valved, 3-cclIeci. Seed luiincfous, attached to 

 th? niarHin of tlie valves. 



1 P Tevcifolia. Stem erect, leafy. Leaves ensiform, narrow, glabrous- 

 Flowers in a terminal spike. iSpathc l-flowered ; segments of the perianth, 

 lanceolate, acute. 



Yellowish red. T| May— June. Wet soils. Car. 1-2 ft. 



Order CIX. MELANTHACE.^. 



/Vr/tf////i G-parted, petaloid, inferior. Stauicns G. Anihcrs 

 usually turned ftutwards. Otv/n/ 3.C(*1I(m], nianv .<^eeded. Style 

 S-parlcd. Stigmas 3. Capsule divisible into 3 pieces. Her- 

 baceous plants, witii leaves slu'atlnn«; at the base. 



Genus I MELANTHIUM. 



Prr'umth rotate, cxpandinj; ; sefjinonfs iin<];iiic!da(e, witli 2 

 glands at the base. Stamens (i, arising; from the elaw.s of the 

 |>eriantl>. Capsule sub-ovate, 3-celled, partly trifid. Seed 

 num<;rous. winged. 



