Family MALVACEA 99 
Stigmas linear, on the inner side of the style branches. 
Carpels beakless; petals obcordate. 1. Malva. 
Carpels beaked; petals truncate. 2. Callirrhoe. 
Stigmas capitate; our species densely, silvery, stellate pubescent. 
3. Malvastrum. 
Flowers small, 4-8 mm. broad, yellow. 4, Sida. 
Carpels 2—many-ovuled. 
Involucel none. 5. Abutilon. 
Involucel of numerous narrow bracts. 6. Hibiscus. 
1. Malva. 618. 
Erect or ascending; flowers over 15 mm. broad; carpels about 10. 
M. sylvestris. 
Procumbent; flowers less than 15 mm. broad, carpels ‘about 15: 
2. M. rotundifolia. 
1. Malva sylvestris L. High Mallow. 
Rare in waste places. Beaver City; Red Cloud. 
2. Malva rotundifolia L. Cheeses, Running Mallow. 
Introduced in various localities throughout the state. Bazile Mills; 
Callaway; Kearney; Lincoln; Minden. 
2. Callirrhoe. 619 
Involucel wanting; flowers pink or white, 2-3 cm. broad. 
1. C. alceoides. 
Involucel of three bracts; flowers reddish purple, 2-6 cm. broad. 
2. C. involucrata. 
1. Callirrhoe alceoides (Michx.) A. Gray. Poppy Mallow. 
Fairly common in the eastern half of the state. Cowles; Crete; 
Fairbury; Lincoln; Minden; Peru; Walton; Weeping Water. 
2. Callirrhoe involucrata (T. & G.) A. Gray. Fringed Poppy Mallow. 
In dry soil throughout the state, common in the western part. Cal- 
laway; Cambridge; Franklin; Grand-Island; Kearney; Nebraska City; 
Nelson; Red Cloud. 
3. Malvastrum. 620. 
1. Malvastrum coccineum (Pursh) A. Gray. Red Mallow. 
Common in dry soil in the western part of the state. Alliance; An- 
telope county; Belmont; Broken Bow; Grand Island; Red Cloud; 
Scotts Bluff; Valentine. 
4. Sida. 620. 
1. Sida spinosa L. False Mallow. 
In dry soil in the southeastern part of the state. Nebraska City; 
Nemaha. 
5. Abutilon. 621. 
1. Abutilon abutilon (L.) Rusby. Indian Mallow, Velvet-leaf. 
A common weed in the eastern part of the state. Dakota county; 
Lincoln; Omaha; Peru; Weeping Water. 
6. Hibiscus. 622. 
Glabrous; flowers pink; involucral bracts not ciliate. 1. H. militaris. 
Pubescent with spreading hairs; flowers yellow; bracts of the invo- 
lucel ciliate. 2. H. trionum. 
