300 BORRAGINACEVE. (i)ORAGE FAMILY.) 



Sea-shore, South Florida. — Shrub 2° - 4° high. Leaves 3' long. Corolla 



small, white. 



* * Fruit globose, more or less lohed, composed of 1-4 nutlets, each \-seeded: corollar 

 lolies narrow, acute. 

 2 T. VOlubilis, L. Stem twining, and, like the lower surface of the 

 [eaves and spikes, tomentose ; leaves ovate or oblong-ovate, pctioled, roughish 

 above, paler beneath ; spikes lateral and terminal, very slender, evmose, short- 

 peduneled, spreading; tube of the corolla contracted in the middle, the lobes 

 linear-subulate; anthers connivent; berry small, 1-3-sceded. — South Florida. 



— Leaves 1'- 1}' long. Corolla 2" long. 



4. HELIOTROPIUM, Tourn. 



Calyx 5-parted, persistent. Corolla salver-form, open at the throat, folded 

 between the 5 lobes. Filaments and style very short. Stigma somewhat coni- 

 cal. Fruit separable into four 1-seeded nutlets. — Herbs or shrubby plants. 

 Leaves rarely opposite. Spikes 1 -sided. Flowers white or blue. 



1. H. Curassavicum, L. Annual, smooth, fleshy; stems at length 

 prostrate and diffuse; leaves alternate or opposite, lanceolate or linear, obtuse, 

 narrowed at the base; spikes peduneled, simple or 2-partcd, coiled in the bud; 

 flowers small, sessile, white, bractless ; nutlets smooth. — Saline marshes, Flor- 

 ida to North Carolina. June - Aug. — Stem 6'- 18' long. Leaves I' -2' long. 



— Plant dries black. 



2. H. myosotoides, n. sp. Annual ; stem erect, branched, rough with 

 rigid white apprcsscd hairs ; the young branches hoary ; leaves oblong or lance- 

 olate, obtuse, hispid on both sides, narrowed to the base, the lower ones opposite; 

 spikes filiform, elongated, 1-sidcd; flowers short-pedicelled, some of them leafy - 

 bracted, others bractless ; exterior calyx-lobes larger ; corolla minute (^" long), 

 white ; anthers hairy at the apex ; nutlets united, hispid at the apex, with the 

 sides concave. — South Florida. — Stem 4'- 6' high. Leaves £' long. Corolla 

 slightly hispid. 



5. HELIOPHYTUM, PC. 



Throat of the corolla bearded, or closed by 5 indexed folds. Fruit separating 

 into two 2-celled nutlets. Otherwise like Ilcliotropium. 



1. H. Indicum, DC. Annual ; stem erect, rough-hairy ; leaves oblong- 

 ovate, often cordate, toothed or wavy on the margins, rugose, Blightly roughish, 

 decurrent into a long petiole ; spikes hairy, coiled, at length elongated ; corolla 

 blue; nutlets spreading — Waste places, Florida to North Carolina. June - 

 Oct. — Stem l°-2° high. Leaves 2' -4' long. Fruiting spike »'.'-»' long. 



2. H. parviflorum, DC. Perennial, hirsute; stem end, branching; 

 leaves lanceolate or oblong, obtuse, entire, tapering into a slender petiole, the 



lower ones mostly opposite ; spikes slender ; corolla white, bearded in the throat ; 



nutlets uneven, united. — South Florida — Stem Bhrubby at the base, f>'-is' 

 high. Leaves membranaceous, l' -2' long. Corolla I" long. Spikes 2' -4' 

 long. 



