ALTHZEA. XXXVII. MALVACEZ. 207 
2 Native of England. A popular garden flower of the easiest culture, often 
le up spontaneously in fields and roadsides, Mid. and W. States! 
eight 3f. Flowers reddish purple, with veins of a darker hue. The whole 
plant, especially the root, abounds in mucilage. Jn.—Oct. § + 
3. M. Hoveutonu. Torr. & Gray. Houghton’s Malva. 
St. erect, hirsute; dvs. strigose, ovate, truncate at the base, lower ones 
cordate, all undivided, coarsely crenate ; panicle terminal, diffuse, many-flow- 
ered; pet. purple; carpels 10—15.—Prairies and bottoms, Ill. Mead! &. A 
handsome but rather rough species, 2—3f high. Root fusiform. Leaves 2—3/ 
by 1—2’, on long, hairy petioles, thick. Flowers nearly as large (1}/ diam.) 
as those of M. sylvestris. Jl. Aug. 
4. M. Mauritiina. Ivy-leaved Mallow.—St. erect; ls. 5-lobed, obtuse ; peti- 
oles and pedicels smoothish, or downy on the upper side.—@ From S. Europe. 
A tall species, 4—6f high. Stem smooth. Flowers purple, with deeper colored 
veins. t 
--6. M. moscHita. Musk Mallow.—St. erect; radical lvs. reniform, incised, 
cauline ones many-parted, the segments linear; ped. and cal. hairy.—Native of 
Britain. Stems 2f high, branched. Flowers large and handsome, rose-colored. 
The whole herb gives out a musk-like odor in favorable weather. Jl. 
6. M. crispa. Curled or Crisped-leaved Mallow.—St. erect ; lvs. angular-lobed, 
dentate, crisped, smooth; fs. axillary, sessile—q) A tall, straight, simple, erect 
plant from Syria. Gardens, almost naturalized. Stem 5—6f high. Leaves 
large, roundish, margins abundantly crisped and curled. Flowers white, not 
conspicuous. Jn.—Aug. ft 
2. GOSSYPIUM. 
A word said to be from the Arabic, goz, a silky substance. 
Calyx obtusely 5-toothed, surrounded by an involucel of 3 cordate 
leaves, deeply and incisely toothed ; capsule 3—5-celled; seeds in- 
volved in cotton.— Fs. yellow. 
1. G. HERBACEUM. Common Cotton Plant—Luvs. 5-lobed, with a single gland 
below, lobes mucronate; cotton white.-—@ This is the species commonly culti- 
vated in the Southern States. It is an herbaceous plant, about 5f high. The 
flowers like those of all the other species are yellow. Leaves cut half way 
down into 3 large and 2 small, lateral, rounded, pointed lobes. Gland on the 
midvein at its back, half an inch from the base. Jl. 
2. G. BarBaDense. Sea Island Cotton Plant.—Luvs. 5-lobed with 3 glands 
beneath, upper ones 3-lobed; seeds black; cotton white——@) Native and culti- 
vated in the W. Indies. <A larger plant than the foregoing. Sown in Sept. 
and Oct. An acre yields an average product of 270 pounds of this cotton.— 
These plants are ornamental in cultivation. f 
3. LAVATERA. 
Named in honor of the two Lavaters, physicians of Zurich. 
Calyx surrounded at base with a 3-cleft involucel; carpels 00, 1- 
celled, 1-seeded, indehiscent, arranged circularly. 
1. L. arBorea. Tyee Mallow.—Lws. 7-angled, downy, plicate; pedicels axil- 
lary, 1-flowered, clustered, much shorter than the petiole—@) A splendid plant 
for borders or shrubberies, from Europe. Height about 6f. Flowers purple. 
Sept. Oct. f 
2. L. Tuurinerica. Gay Mallow—HLvs. somewhat downy; lower ones angu- 
lar, upper ones 3-lobed, the middle lobe largest—2| From Germany. Height 
4f. Flowers light blue. Sept. 
~4, ALTH EA. 
Gr. a\$w, to cure; the mucilaginous root is highly esteemed in medicine. 
Calyx surrounded at base by a 6—9-cleft involucel; carpels 00, 1- 
seeded, indehiscent, arranged circularly around the axis. 
18* 
