66 MALVACE.*:. (MALLOW FAMILY.) 



1. AL,TH^A, L. MARSH-MALLOW. 



Calyx surounded by a 6 - 9-cleft involuccl. Otherwise as in Malra. (Name 

 from oX$o>, to cure, in allusion to its healing properties.) 



1. A. OFFICINALIS, L. (COMMON MARSH-MALLOW.) Stem erect; leaves 

 ovate or slightly heart-shaped, toothed, sometimes 3-lobed, velvety-downy : pe- 

 duncles axillary, many-flowered. 1J. Salt marshes, coast of New England and 

 New York. Aug., Sept. Flowers pale rose-color. Root thick, abounding in 

 mucilage, the basis of the Pales de Guimaiwe. (Nat. from Eu.) 



A. R6SEA, and A. Ficir6LiA, are the well-known garden HOLLYHOCKS. 



2. MAI.VA, L. MALLOW. 



Calyx with a 3-leaved involucel at the base, like an outer calyx. Petals ob- 

 cordate. Styles numerous, stigmatic down the inner side. Fruit depressed, 

 separating at maturity into as many 1 -seeded and indehiscent round kidney- 

 shaped blunt carpels as there are styles. Radicle pointing downwards. (An 

 old Latin name, from paXaxn, soft, alluding to the emollient leaves.) 



1. M. ROTUNDIF6LIA, L. (COMMON MALLOW.) Stems short, simple, de- 

 cumbent from a deep biennial or perennial root ; leaves round-heart-shaped, on 

 very long petioles, crenate, obscurely lobed ; petals twice the length of the calyx, 

 whitish; carpels pubescent, even. Way-sides and cultivated grounds; com- 

 mon. (Nat. from Eu.) 



2. M. SYLVESTRIS, L. (HIGH MALLOW.) Stem erect, branched (2 -3 

 high) ; leaves rather sharply 5-7 '-lobed; petals thrice the length of the calyx, 

 large, purple and rose-color ; carpels wrinkled- veiny. 1J. Way -sides. (Adv. 

 from Eu.) 



M. CRfspA, the CURLED MALLOW, and M. MOSCHATA, the MUSK MALLOW, 

 are occasionally spontaneous around gardens. 



3. CAL.L.iRRHO, Nutt. CALLIRRHOK. 



Calyx either naked or with a 3-leaved involucel at its base. Petals wedge- 

 shaped and truncate (usually red-pui-ple). Styles, &c. as in Malva. Carpels 

 10-20, straightish, with a short empty beak, separated within from the 1-seeded 

 cell by a narrow projection, indehiscent or partly 2-valved. Radicle pointing 

 downwards. Flowers perfect. 



1. C. tlianglllfita, Gray. Hairy-pubescent; stems nearly erect (2 

 high) from a tuberous root ; leaves triangular or halberd-shaped, or the lowest 

 rather heart-shaped, coarsely crenate ; the upper incised or 3 - 5-cleft ; flowers 

 panicled, short-pedicelled (purple) ; involucel as long as the calyx; carpels short 

 pointed, crestless. (Malva triangulata, Leavenworth. M. Houghtonii, Torr. $* 

 Gray,) Dry prairies, Wisconsin, Illinois, and southward. July. 



2. C. alcaeoicles, Gray. Strigose-pubescent ; stems slender (1 high) ; 

 lower leaves triangular-heart-shaped, incised ; the upper 5 - 7-parted, laciniate, 

 the uj permost divided into linear segments ; flowers corymbose, on slender pe> 



