J66 ORDER 24. MALVACEAE. 



b Flowers dioecious. Stigmas 10, linear NAP^A. 5 



b Flowers perfect. Carpels 5 or more, 1-secded SIDA. 6 



b Flowers perfect. Carpels 5 or many, S to 9-seeded ABUTILOX. 7 



C Stigmas 10. Carpels 5, baccate, united MALVAVISCUS. 8 



C Stigmas 10. Carpels 5, dry, distinct PAVOXIA. 9 



C Stigmas 5. Carpels 5, dry, united into a pod KOSTF.LETZKTA. 10 



d Involucre of many bractlets. Calyx regular HIBISCUS. 11 



d Involucre of many bractlets. Calyx split on one siilo ABEI.MOSCIIUS. 13 



d Involucre of 3 incisely toothed bractlets GOSSYI-IUM. 13 



1. ALTHAEA, L. MARSH MALLOW. (Gr. aXOw, to cure ; the mucil- 

 aginous root is highly esteemed in medicine). Calyx surrounded at base 

 by a 6 to 9-cleft involucel ; styles oo, with linear stigmas ; carpels GO, 

 1-secded, indehiscent, arranged circularly, and at maturity separating 

 from the axis. 



1 A. officinalis L. Lvs. soft-downy on both sides, cordate-ovate, dentate, some- 

 what 3-lobed ; ped. much shorter than the leaves, axillary, many-flowered. 2| Me. 

 to N. Y., borders of salt marshes. St. 3f high, erect, firm, covered with thick 

 "woolly down, with alternate, velvet-like leaves. Fls. large, axillary and terminal, 

 pale purple. The root as well as the other parts of the plants, abounds in muci- 

 lage, and in medicine is often used as an emollient. Sept4 Eur. 



2 A. rosea Cav. HOLLYHOCK. St. erect, hairy ; Ivs. cordate, 5 to 1-angkd, 

 rugous ; fls. axillary, sessile. @ A. tall plant, very commonly cultivated in gar- 

 dans. Numerous varieties have been noticed, with single, double, and semi-double- 

 flowers, of various shades of color, as white, rose-colored, flesh-colored, dark red, 

 and even a purplish black, purple, yellow, straw-color, etc. f China? (Alcea 

 rosea L.) 



3 A. fici folia Cav. FIG-LEAVED HOLLYHOCK. St. erect, hairy ; Ivs. palmate, 

 7-lobed beyond the middle, lobes oblong, obtuse, angular-toothed. @ St. tall aa 

 the above. Fls. orange-colored, f Levant. (Alcea ficifolia L.) 



2. MALVA, L. MALLOW. (Gr. ^aXa^rj, soft ; on account of the soft 

 mucilaginous properties.) Calyx 5-cleft, the involucel 3-leaved ; petals 

 obcordate or truncate ; styles co, with linear stigmas ; carpels GO, 

 1-celled, 1-seeded, indehiscent, arranged circularly, and at maturity sep- 

 arating from the axis. 



Leaves orbicular, with 5 to 7 angular lobes. Carpels obtuse Nos. 1 3 



Leaves triangular-deltoid, scabrous. Carpels ncute No. 4 



Leaves palmately 5 to 7-parted Nos. 5, 6 



1 M. rotundifolia L. Low MALLOW. St. prostrate; Ivs. roundish, cordate, 

 obtusely 5-lobed ; ped. in fruit reflexed ; cor. (pale) twice as long as the calyx. 

 1|. Common in cultivated grounds. Sts. numerous, a foot or more long. Lvs. 

 somewhat reniform, crenate, with 5 to 7 shallow lobes, and on long, hairy stalks. 

 Ped. axillary, aggregate. Petals pale pink, deeply notched. Fr. depressed-glob- 

 ous, composed of the numerous carpels arranged circularly, not wrinkled. The 

 child sportively calls them cheeses. Jn. Oct. Eur. 



2 M. sylvestris L. HIGH MALLOW. St. erect: Ivs. 5 to 7-lobed, lobes of tho 

 upper Ivs. rather acute ; carp, very rugous ; pet. (purple) 3 times longer than sep. 

 A popular garden flower of the easiest culture, often springing up spontaneously 

 in fields and road-sides, Mid. and W. States. Height 3f. Fls. reddish-purple, 

 with veins of a darker hue. The whole plant, especially tho root, abounds in 

 mucilage. Jn. Oct. Eur. 



3 M. crispa L. St. erect ; Ivs. angulaf-lobed, dentate, crisped, smooth ; fls. 

 (white) axillary, sessile. A tall, straight; simple, erect plant from Syria. Gar- 

 dens, almost naturalized. St. 5 to 6f high. Lvs. large, roundish, margins abun- 

 dantly crisped and curled. Fls. white, not conspicuous. Jn. Aug. f 



4 M. triangulata Leav. St. erect, hirsute; Ivs. strigous, triangular-deltoid, 

 lower ones, cordate, all undivided, coarsely crenate ; panicle terminal, diffuse, 

 in any-flowered ; petals purple; carp. 10 to 15, slightly beaked. Prairies and 



