Order 52.— ONAGRACE^ 353 



4 CE. pumila L. Low, pubescent; st. ascending; Its. lanceolate, entire, obtuse, 

 attenuate at base ; spike loose, leafy, naked below ; cal. tube slwrter than the <>ub~ 

 nessite, oblong-clavate, angular ovary. — i§J A small, half-erect plant, common in 

 grass lands, Can. to S. Car. St. 6 to 1 0' long, round, slender, simple. Lvs. 1 to 

 H' by 2 to 3", radical ones spatulate, petiolate. Fls. yellow, 6'' diam., openiwj 

 in succession, 1 or 2 at a time. Jn., Aug. (CE. pusilla ? Mx.) 



5 CE. chrysantha Mx. St. ascending, slender; fls. small, crowded, spicate; 

 cal. tube equaling in length the ovary, longer than the segm. ; petals broadly obo- 

 vatc, emarginate, longer than the stamens ; caps, smooth, pedicellate, clavate, the 

 alternate angles slightly winged. — '% Western N. Y. to Mich. St. 12 to 18' long, 

 purple. Lvs. lanceolate, obtuse, attenuate at base, denticulate, radical ones 

 spatulate. Fls. 5'' diam., orange-yellow. Jn., Jl. 



6 CE. frutiedsa L. St. pubescent or hirsute ; lvs. oblong-lanceolate, repand-denti- 

 eulate ; rac. leafy or naked below, corymbed ; caps, oblong-clavate, 4-winged, 

 with intermediate ribs, pedicellate. — % In sterile soils, Mass., Conn., N. Y. to 

 Fla. and W. States. St. hard, rigid (not shrubby), 1 to 3f high. Lvs. variable 

 In pubescence, form and size, 1 to 3' by 3 to 8", sessile, minutely punctate. Fls. 

 low or many, IV diam., in a terminal, bracteate, mostly pedunculate racemo. 

 Cal. tube longer'thau the ovary. Petals broad-obcordate, yellow. Jn., Aug. 



/3. AiiBiGUA. Lvs. membranous ; petals longer than broad. 



7 CE. riparia Nutt. Nearly glabrous ; stem erect, with slender branches, usually 

 purple and polished; lvs. linear-lanceolate, acutish at both ends, petiolate, repand- 

 denticulate, coriaceous ; Ms. large, loosely corymbed, at length racemed ; cal. tufeo 

 nearly twice longer than tne pedicelled ovary ; caps, clavate, scarcely winged. — 

 ■$) Along rivers, N. J., to Fla. and Ala. St. 1 to 2f high. Lvs. 2 to 4' long. Fls. 

 as large as in No. 6. A handsome species. May, Jn. 



8 CE. linearis Mx. Hoary puberulent; st. slender, erect, simple or few- 

 branched; lvs. linear, subentire, obtuse, the lowest linear-spatulato ; fls. large, 

 corymbed at the summit of the branches, tube of the calyx somewhat longer than 

 the pedicellate ovary ; fr. obovato, scarcely winged. — 11 Montauk Point to N. 

 Car. (Miss Carpenter), and Ala, St. 12 to 18' high. Lvs. 1 to 2' long. Fla. 

 much as in No. 7. May, Jl. 



9 CE. glauca Mx. Glabrous and glaucous ; st. erect, with few, slender branches 

 above ; lvs. ovate, sessile, acute or acuminate, obscurely denticulate ; fls. large, 

 clustered at the ends of the branches ; calyx tube 3 or 4 times the length of the 

 short, pedicellate ovary ; caps, oval, 4-winged above. — Rock Castle Co. Ky. to 

 Va. and N. Car. St. stout, 2 to 3f high, purplish. Lvs. 2 to 3' long, often lan- 

 ceolate. Caps. 4 to 5" by 2 to 3''. May— Jl. 



10 CE. Missouriensis Sims. Simple, decumbent; lvs. coriaceous; lanceolate, 

 acute, or short-acuminate, petiolate, subentire, downy canescent when young ; fla 

 very large, axillary ; cal. tube 3 or 4 times longer than the downy-canescent 

 ovary ; caps, very large, oval, depressed, with 4 broad-winged margins. — Dry 

 hills, Mo. Remarkable for the magnitude of its fls. and fruit. Petals yellow, 

 expanding 4 inches. Cal. tube 4 to 7' long. Caps. 2' long. Sds. large, crested, 

 in one row in each cell. Jl. — Oct. f 



CE. speciosa of Ark. and Tex. is a splendid species, with white or roseate 

 fls., fine in cultivation. 



GAITRA, L. (Gr. yavpoc;, superb.) Calyx tube much prolonged 

 above the ovary, cylindric, limb 4-cleft ; petals 4, unguiculate, some- 

 what unequal, inserted into the tube ; stamens 8, declinate, alternate 

 ones a little shorter; ovary oblong, 4-celled, one only proving fruitful, 

 nut usually by abortion, 1-celled, 1 to 4-seeded. — Herbaceous or shrubby. 

 Lvs. alternate. Fls. white and red, rarely trimerous. 



1 Gr. biennis L. St. branched, pubescent ; lvs. lanceolate, oblong, remotely den- 

 tate ; spike crowded ; cal. tube as long as the segm. ; petals rather declinate, and 

 shorter than the sepals ; fr. subsessile, slightly acuminate, 8-ribbed, alternate ribs 

 minute. — A beautiful biennial, on the dry banks of streams, Can. to Ga., rare. 

 St 3 to 5f high. Lvs. sessile, pale green, acute at each end. Fls. numerous, 



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