5.6 



MAI.VACEAK. 



Vol.. II. 



5. Malva Alcea 1,. European or \crvain Alallovv. 

 Fig. 2852. 



Malva Alcca L. Sj). PI. 689. i^S3- 



Similar to the preceding species, but the stem-leaves are 

 only once 5-7-parted or cleft, the lobes dentate or incised; 

 pubescence shorter and denser, stellate; flowers pink, pur- 

 plish or white; petals obcordate; carpels glabrous, very 

 finely rugose-reticulated. 



In waste places, occasionally escaped from gardens, Ver- 

 mont to Michigan, New York and Pennsylvania. Introduced 

 from Europe. Summer. 



3. CALLIRHOE Xiitt. Journ. Acad. rhil. 2: 181. 1821. 



(Nlttallia Barton, Fl. N. A. 2 : 74. pi. 6j. 1822.] 



Herbs, with lobed or divided leaves, and showy axillary or terminal perfect flowers. 

 Bractlets of the involucel 1-3, separate, or none. Calyx deeply 5-parted. Petals cuneate. 

 truncate, often toothed or fimbriate. Stamen-column anther-bearing at the summit. Cavities 

 of the ovary 00, i-ovuled; style-branches of the same number as the cells of the ovary, stig- 

 matic along the inner side. Carpels =0 (10-20), arranged in a circle, l-seedcd. indehiscent or 

 2-valved, beaked at the apex, the beak separated from the cavity by a septum. Seed ascend- 

 ing. [A Greek mythological name.] 



A genus of about 7 species, natives of the central and southern United States and northern 

 Mexico. Type species : Callirhoe digitala Nutt. 



Bractlets of the involucels none. 



Flowers i' broad ; carpels very pubescent. 



Flowers I'A'-^' broad ; carpels scarcely pubescent. 

 Bractlets of the involucels 3. 



Leaves triangular, crenate ; carpels not rugose. 



Leaves orbicular, palmatifid ; carpels rugose. 



I. Callirhoe alceoides (]\lichx.) A. Gray. 

 Light Poppy-Mallow. Fig. 2853. 



Siihi alceoiilcs Michx. Fl. Bor. Am. 2: 44. 1803. 



Callirhoe alceoides A. Gray. Mem. Am. Acad. (II.) 4: 

 18. 1848. 



Perennial, erect, 8-20' high, slender, strigose- 

 pubescent, branched at the base from a thick woody 

 root. Basal leaves triangular, palmately lobed or 

 incised, 2'-3i' long, slender-petioled; stem-leaves 

 palmatifid, the divisions linear or cuneate, acute or 

 obtuse; flowers corymbose or racemose at the Suiu- 

 mit, pink or white, about i' broad; pedicels i'-2' 

 long, slender: involucels none; calyx-lobes triangu- 

 lar, acuminate; petals dentate and somewhat fim- 

 briate; carpels strigose-ptibescent and conspicuously 

 rugose-reticulate on the back. 



In dry soil, Kentucky to Neliraska. Kansas and Texas. 

 May-Au.s. 



1. C. alceoides. 



2. C. digitata. 



3. C. tJ-iaiigulata. 



4. C. involitcrata. 



