3C6 A (• A N T n A (• i:,i:. ( a ( a n r i n ■ s f a m i i- n . ) 



]i<'rl)s, wiili i)iii)nsite entire leaves, anil sliorlliractiMl mostly alternate flowers 

 iu hin^-puiluiK'lcd axillary s]iike8. 



1. D. Americana, L. stem tali, angled ; leaves long, linear-lanceolate; 

 spikes olilong, dense or somewhat »a|)itate, on peduncles as long an the leaves. 



— In slow-llowing streams. July- August. — Slem 2^ hiyli. Leaves am! 

 peduncles 4'-G' long. Spike .V long. Flowers pale purple. 



2. D. ovata, Walt. Stem low (4'-8' high),4-angled ; leaves ovate-lance- 

 olate, rather acute, narrowed into a slxjrt petiole ; the lowest small, lanceolate ; 

 spikes 3- -l-Howered, on simple pe<luncles shorter than the leaves; corolla 

 small, pale purple, the lower lij) striped with deeper lines. (.lusticia huniilis, 

 Mn:lis.) — Muddy banks of stream.s, Florida to South Carolina. — Leaves 

 2' -4' long, 1'- U' wide. 



Var lanceolata, Chapm. Stem taller (1°- 1^^) ; leaves smaller, lance- 

 olate, acuminate, nearly sessile; jieduncles longer than the loaves; sjjikes 

 many-lluwered, 1-sided, often hranehing. — River lianks, Florida. July. 



Var. '. angUSta, Chupm. Leaves linear or linear-lanceolate, reflexed, the 

 lower ones \ery remote; peduncles as long as the leaves; spikes several- 

 flowered, the lower flowers often opposite. — I'ine barren ponds, Florida. 

 May. — Stem 1° high. Leaves r-2' long. Corolla 4" -5" long. 



3. D. crassifolia, Chapm. Stem rigid, angled ; leaves fle.'^hy, linear, 

 channelled ; the lower distant, small and oljtuse ; ])eduncles stout, erect, longer 

 than tiie leaves, exceeding the stem ; spike few-flowered ; corolla large, bright 

 purple ; the lower lip striped with deeper lines ; capsule 2-seeded ; seeds cir- 

 cular, smooth. — AVet pine barrens, Florida. April -May. — Stem 6'- 12' 

 high. Leaves 4'- 6' long. Peduncles 4'- 9' long. Corolla and capsule 1' 

 long. 



8. DICLIPTERA, Juss. 



Cah'x ."i-parted, mostly leafybracted. Corolla bilabiate, mostly reversed ; 

 the lower lip 3-lobed ; the upper 2 cleft or entire. Stamens 2: anther cells 

 equal, one placed behind the other. Capsule oblong or oval, bearing 2 cr 4 

 seeds below the middle ; tlie partitions at length free from the valves. — Herbs, 

 with branching stem, and purjjle, scarlet, or white floAvers in axillary and ter- 

 minal heads or spike-like cymes. 



1. D, brachiata, Spreng. Smooth or nearly so ; stem 6-angled ; leaves 

 thin, olilong ovate, acuminate, abruptly contracted into a long and slender 

 petitjle ; spikes solitary or 2 -3 togetlier, interrupted, unequal ; bracts oblong, 

 mucronate, narrowed at the base, at length inflated ; corolla small, purple. — 



— l?iver banks, Florida to North Carolina. July -August. — Stem l°-2° 

 high. 



2. D. assurgens, Juss. Smooth or minutely pubescent ; stem angled ; 

 leaves elliptical, acute, on slender petioles; flowers mostly single, scattered in 

 1 -sided spike-like cymes; bracts small; calyx lobes subulate, unequal ; corolla 

 (scarlet) curved, nearly equally 2-lipped ; anthers slightly exserted ; style 

 elongated. — South Florida. — Stem l°-2° high. Leaves r-2' long. Co- 

 rolla 9" -12" long. 



