7. SULLIVAN'TIA, Torr. & Gray. (To Wm. S. Sullivant, the distinguished muscologist.) Calyx campanulate, coherent with the base of the ovary, segments ovate, acute; petals oval-spatulate, ungniculate, inserted on the summit of the calyx tube, and twice as long as its lobes; stamens 5, inserted with the petals, shorter than the calyx; capsule 2-beaked, 2-celled; seeds go, ascending; testa wing-margined. -Saxifragaceae Saxifrages Part 3 775 Lvs. mostly radical, palmate-veined. Fls. in a loose panicle, small, white.

S. Ohionis Torr. & Gr. A diffuse, weak-stemmed plant, first discovered in Highland Co., Ohio, by him whose name it bears. St. annual, very slender, 8 to 16 long, ascending, glandular. Radical lvs. roundish, cordate, lobed and toothed. ,1 to 2' diam., on long petioles. Cauline leaves mostly very small, bract-like, cuneate at base, 3 to 5-toothed at summit. May, Jn.

8. HEU'CHERA, L. Alum Root. (To Prof. Heucher, botanic author, Wittemberg, Germany.) Calyx 5-cleft, coherent with the ovary below, segments obtuse; corolla of 5 small, entire petals, inserted with the 5 stamens on the throat of the calyx; capsule 1-celled, 2-beaked, dehiscent between the beaks; seeds many, with a rough, close testa.-

Saxifragaceae Saxifrages Part 3 776 Lvs. radical, long-petioled, petioles with adnate stipules at base.

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Fls. small (1 to 2" long), regular; stam. and sty. much exserted............................

1

Nos. 1 - 3

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Fls. larger (3 to 5" long), rather oblique; stain. and sty. short..............................

.Nos. 4, 5

1 H. Americana Willd. Viscid-pubescent; lvs. roundish, cordate, somewhat 7-lobed, lobe3 short and roundish, crenate-dentate, teeth mucronate; panicle elongated, loose; pedicels divaricate; cal. obtuse, short; pet. spatulate, about as long as the calyx; stam. much exserted. - A neat plant, rare in the southern parts of N. Eng. and X. Y., frequent at the W. and S. Lvs. 2 to 3 1/2' diam. Scape 2 to 4f high, paniculate, nearly 1/3 this length. Fed. 2 to 3-flowered. Cal. more showy than the purplish-white petals. May, Jn. - Root astringent, hence the common name, Alum Root.

2 H. villosa Mx. Villous, with rusty, spreading hairs; radical lvs. round-cordate, thin, glabrous above, 7 to 9-lobed, lobes short, crenate-mucronate, ciliate: panicle loose, with filiform branches and pedicels; fls. very small; pet. white, about as long and as narrow as the filaments. - Mts. Md. to N. Car. and Ky. Scape 1 to 3f high. Lvs. 2 to 6' diam., petioles sometimes densely villous. - The plant varies much in size. Scape often with one or more lvs. Jn., Jl.

3 H. caulescens Ph. Nearly glabrous; lvs. acutely 5 to 7-lobed, cordate, lobes acutely toothed, ciliate; panicle loose, slender; petals white, linear-spatulate, 2 or 3 times longer than the sepals. - High Mts. Car., Ky., Tenn. Scape often bearing a leaf or two below, and with the petioles somewhat hairy below. May, Jn.

β. Quite glabrous; radical lvs. slightly lobed; cauline 2, collateral; branches of the panicle racemous, elongated, divaricate. - Buncomb Co., N. Car. (H. Curtisii Gray.)

4 H. pubescens Ph. Scape naked, minutely pubescent above, and with the long petiole glabrous below; lvs. glabrous, orbicular-cordate, 7 to 9-lobed, lobes rounded, and with rounded, mucronate, ciliate teeth; ped. cymous, dichotomous, joints flexuous, almost geniculate; fls. large; pet. longer than the included stam.; sty. exserted. - Mts. Penn., Md., Va. Scape 1 to 2f high. Lvs. 3 to 5' diam., the veins beneath with a few scattered hairs. Fls. 5 to 6" long, purple. May, Jn. (H. grandiflora Raf.)

5 H. hispida Ph. Hispid and scabrous on the upper surface and margin of the obtusely 5 to 7-lobed lvs., the lobes broadly mucronate-toothed. teeth very short, almost retuse; branches of the panicle few-flowered; pet. spatulate, as long as the calyx, shorter than the somewhat exserted stamens. - Mts. of Va. and N. Car., and prairies of Ind. to Mo. The petals purple. The prairie form is less hairy, almost smooth. (H. Richardsoni R. Br.)

9. LEPUROPET'ALON, Ell. (Gr.Saxifragaceae Saxifrages Part 3 777 a scale, Saxifragaceae Saxifrages Part 3 778 a petal.) Calyx 5-parted, lobes obtuse, tube turbinate, adherent to the base of the 3-carpeled ovary; petals 5, minute, spatulate, persistent; stamens 5, short; capsule globous, 1-celled, 3-valved, many-seeded.- A minute, succulent herb, growing in tufts. Lvs. entire, dotted. Fls. terminal.

L. spatulatum Ell.Saxifragaceae Saxifrages Part 3 779 Grows in hard soils, S. Car. (Charleston), Ga. to Tex

The plant is less than 1' high, branched from the base, forming little convex tufts. Lvs. spatulate, veinless. Fls. large in proportion, white. Mar., Apr.

10. I'TEA, L. (Gr. name for the willow; for the resemblance of the foliage.) Calyx small, with 5 subulate segments; petals 5, lance-linear, inflexed at the apex, inserted on the calyx; stamens 5, inserted into the calyx; styles united; capsule 2-celled, 2-furrowed, 8 to 12-seeded. - A shrub with alternate, simple lvs., and a simple, spicate, terminal raceme of white fls.

I. Virglnica L. Margins of swamps and sluggish streams, N. J., Penn. to Fla. Shrub about 6f high. Lvs. 1 1/2 to 3' long, oval-acuminate, serrulate, on short petioles. Rac. oblong-cylindric, 2 to 3' long. Caps. oblong, acuminate with the style, its 2 carpels separating in maturity. May, Jn.

11. ESCALLO'NIA rubra and E. glandulosa are handsome shrubs, with evergreen leaves and searlet flowers, prized in greenhouse cultivation.

12. HYDRAN'GEA, L. Hydrangea. (Gr.Saxifragaceae Saxifrages Part 3 780 water, Saxifragaceae Saxifrages Part 3 781 a vessel; requiring an abundance of water.) Marginal flowers, commonly sterile, with a broad, rotate, 4 to 5-cleft, colored calyx, and with neither petals, stamens, nor styles. Fertile fls. Calyx tube hemispherical, adherent to the ovary, limb 4 to 5-toothed, persistent; petals ovate, sessile; stamens twice as many as the petals; capsule 2-beaked, opening by a foramen between the beaks; seeds numerous. - Shrubs with opposite lvs. Fls. cymous, generally radiant.