LuDWiou. LV. ONAGRACEiE. 265 



4. FUCHSIA. 



In honor of Leonard Fuchs, an excellent German botanist of the 15th century. 



Calyx tubular-infundibuliform, colored, deciduous ; limb 4-lobed ; 

 petals 4, in the throat of the calyx, alternate with its segments ; disk 

 glandular, 8-furrowed ; baccate capsule oblong, obtuse, 4-sided. — 

 Mostly shrubby. S. Avierican plants of great beauty. 



1. F. cocciNEA. Ait. (F. Magellanica. Lam.) Ladies' Ear-drop. — 

 Branches smooth ; Ivs. opposite and in verticils of 3s, ovate, acute, denticulate, 

 on short petioles ; fs. axillarj', nodding ; sep. oblong, acute ; pet. convolute, half 

 as long as calyx. — Native of Chili. A very delicate and beautiful green-house 

 shrub, 1 — 6f high. Flowers on long, filiform pedicels. Calyx scarlet, much 

 longer than the included, violet-purple petals. Stamens crimson, much exsert- 

 ed. Berry purple. 



2. F. GRACILIS. Lindl. — St. suffruticose, often simple; ivs. opposite, ovate, 

 petiolate, slightly acuminate, glandular-dentate ; Jls. opposite, solitary, pendu- 

 lous, longer than the leaves ; pet. nearly as long as the sepals and much broad- 

 er. — Chili. A beautiful parlor plant, quite common. Stem 2 — 3fhigh, thick. 

 Flowers larger, but less elegant than in the former, with a red calyx and crim- 

 son corolla, f 



5. GAURA. 



Gr. yavpoi, superb; a term characteriatic of the flowers. 



Calyx tube much prolonged above the ovary, cylindric ; limb 4- 

 cleft ; petals 4, unguiculate, somewhat unequal, inserted into the 

 tube ; stamens 8, declinate, alternate ones a little shorter ; ovary ob- 

 long, 4-celled, one only proving fruitful ; nut usually by abortion 

 1-celled, 1 — 4-seeded. — Herbaceous or shrubby. Lvs. alteriiate. Fls. 

 white and red., rarely trimerous. 



1. G. BIENNIS. Biennial Gaitra. 



St. branched, pubescent; lvs. lanceolate, remotely dentate ; spiAre crowded ; 

 calyx tube as long as the segments; pet. rather declinate and shorter than sepals; 

 fr. subsessile, 8-ribbed, alternate ribs minute. — A beautiful biennial, on the dry 

 banks of streams. Can. to Ga. rare. Stem 3— 5f high. Leaves sessile, pale 

 green, acute at each end. Flowers numerous, sessile. Calyx reddish. Corol- 

 la at first rose-color, changing to deep red. Stigma 4-lobed. Fruit rarely ma- 

 turing more than 1 seed. Aug. 



2. G. FiLiPEs. Spach. Slender-stalked Gaura. 



St. pubescent, paniculate and naked above ; lvs. linear-oblong, repand-den- 

 tate, lower ones almost pinnatifid ; branches of the panicle very slender, naked, 

 with tufted leaves at their base ; calj'X canescent, longer than the petals. — Dry 

 grounds, S. and W. States ! Stem rigid, 3— 5f high, very leafy just below the 

 panicle. Leaves 1 — 3' long, 2 — 6" wide, tapering at each end. Petals oblong- 

 spatulate, rose-color, or white. July, Aug. 



6. LUDWIGIA. 



In honor of C. D. Ludwig, prof of botany at Leipsic, about 1750. 



Calyx tube not prolonged beyond the ovary, limb 4-lobed, mostly 

 persistent ; petals 4, equal, obcordate, often minute or ; stamens 4, 

 opposite the sepals ; style short ; capsule short often perforated at 

 top, 4-celled, 4-valved, many-seeded, and crowned with the persistent 

 calyx lobes. — % Herbs., in wet grounds. Lvs. entire. 

 1. L. ALTERNIFOLIA. Secd-box. Bcistard Loosestrife. 

 Erect, branched, nearly or quite smooth ; lvs. alternate, lanceolate, sessile, 

 pale beneath ; ped. axillary, solitary, 1-flowered, 2-bracted above the middle ; 

 pet. scarcely as large as the spreading, acuminate sepls ; caps, large, with 4 

 winged angles, crowned with the colored calyx.— Shaay swamps. Stem 1— 3f 



