66 MALVACEAE. (MALLOW FAMILY.^ 



B. AL,TIIiEA, L. Marsh-Mallow. 



Calyx sun'ounded by a G - 9-cleft involucel. Otherwise as in Malra. (Name 

 from ctXdo), 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-lobcd, velvety-downy : pe- 

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

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

 mucilage, the basis of the P&tes de Guimauve. (Nat. from Eu.) 



A. rosea, and A. ficif6lia, are the well-known garden Hollyhocks. 



2. MALVA, 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 /xaXaxrj, soft, alluding to the emollient leaves.) 



1. M. rotundifolia, L. (Common Mallow.) Stems short, simple, de- 

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

 veiy 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. crispa, the Curled Mallow, and M. moschata, the Mdsk Mallow, 

 are occasionally spontaneous around gardens. 



3. CALLIRBIIOE, Nutt. Callirrhoe. 



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

 shaped and truncate (usually red-purple). 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 peifect. 



1. C. triaiigulata, 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 or3-5-cleft; flowers 

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

 pointed, crestless. (Malva triangulata, Leavenworth. M. Houghtonii, Torr. Sf 

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



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

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

 the uppermost divided into linear segments ; flowers corymbose, on slender pe- 



