;;10 SCUdl'liri.AKlACK.l!:. (KKiWOUT ka:\iii.y.) 



podumles longer tliaii tin- flowers. — Swamps in tlif uppf-r ilistricU*. August. 

 — Stini l°-i!^ li'gli- Leiives thin, 2' -4' long. ('on.ll:i sliowv.ilir palate 

 grconi.-^li and pubestcnt. 



2. M. alatUS, Ait. stum sipiari', with wingi'ti angles; luavt-s oldong- 

 ovatc, ;i( iiininale, .serrate, taporing at the luLxe into a petiole; jjeduniies 

 shorter than tiie Howers — Swanij.s. -Julv - August. — Stem 2' iiigh. l.eaves 

 2'- 5' long. Calyx teeth small. 



7. HERPESTIS, (iartu. 



Calvx .") ]>artiMl ; tlie :i outer loins, espeeially the ui)per one, hroader. 

 Corolla hell-shaped, :)-lul)eil or liilabiate, with the upper lip 2lohed or emar- 

 ginate, the lower 3 lohed. Stamens 4, didynamous: antiier cells contiguous 

 or (livarieate. Style dilated and flattened at the apex. Capsule 2-valved, 

 nianv-seeded. — Low herl)s. with t)pposite leaves. Flowers opjw.site, axillary, 

 or in leafy terminal raeemes. 



* Siciiis A-(tu<jltd: leaves serrate: jiediincles 2-brarted at the base: exterior cali/x 



lobes oblomj : corolla white. 



1. H. nigrescens, Bentli. Smooth; stem erect, simple or brauched ; 

 ]ea\es oblong or ol)long-obovate, rather obtuse, serrate above the middle; 

 lower peduncles as long as the leaves, the upper much longer ; tube of the 

 corolla striped with blue; the upper lip rounded. — Low grouud. August - 

 Sept. — Stem 1°- U° high. Leaves 1'- 2' long. 



2. H. ehamaedryoides, II BK., var. peduncularis, Gray. Smooth; 



stem (leiunilient, ililTuse. ( reejjing ne.ar the base ; lea\cs small, obovate-obloug, 

 entire near the base ; peduncles filiform, 3-4 times as long as the leaves. — 

 Key West. — Stems 6' -12' long. Leaves 4"- 6" long. Flowers smaller 

 tlian in Xo. 1. 



* * Stems terete, succulent, creeping : leaves ovate or roundish, entire : exterior 



cali/x lobes cordate or ovale : peduncles 2-bracted at the apex. 



3. H. Monniera, Kunth. Smooth ; stems creeping ; leaves fleshy, 

 wedgc-obovate ; corolla bell-shaped, with the rounded lobes nearly e<pial ; 

 peduncles as long as the flowers ; exterior calyx lobes ovate. — Ditches and 

 muddy banks along the coast. June -Sept. ^ — Stem 1°- 2° long. Leaves 

 r long. Corolla white or pale blue. 



4. H. amplexicaulis, Pursh. Stem villous, ascending from a creeping 

 base; leaves sninothisb, ovate, cordate and clasping, olituse ; peduncles 

 sliorter than the flowers ; exterior calyx lobes cordate ; base of the ovary sur- 

 roundeil by a 12-toothed disk. — Pine barren ponds in the lower districts. 

 ■July -Sept. Jl — Flowering stems 6' -8' high. Leaves ^' long, crowded. 

 Flowers blue. Plant odorous. 



5. H. repens, Cham. & Schlect. Smooth, or the summit of the creeping 

 stems pubescent; leaves oval, clasping ; peduncle about as long as the flower; 

 exterior calyx lobes oval or slightly cordate, reticulate-veiny, nearly as long 

 as the white corolla. (II. miirantha, Ell.) — Banks of the Ogeechee River, 

 Georgia {F.llintt). 



