100 MALVACE^. hvpebicdm. 



MALVA. 



leafy .oymea i sepals foUaoeous, unequal, lanceolate to broadly ovate, 1-3 

 lines long, longer than the ovate 1-celled capsule : atatnena 15-20. In wet 

 places, Brit. Columbia to California. 



H. Canadense var. major Gray Man. 80. Stems ratheratout and strict, 

 almost simple, 12-18 inches high : leaves lanceolate, 1-2 inches long, 4-0 

 lines broad, more or less clasping, often very acute, glandular dotted be- 

 neath : flowers in somewhat crowded cymes : sepals linear-lanceolate long- 

 pointed; stamens 5-10: capsule very acutely conical, 3-4 lines long: seeds 

 yellow, more or less striate and pitted. Green Lake, King county, Wash- 

 ington and the Eastern States. 



Order XVI. MALVACE^ Neck. Act. Ac. Theod. Palat. 2, 488. 



Herbs or shrubs with alternate stipulate mostly palmately 

 veined leaves and usually showy flowers. Flowers regular, 

 hermaphrodite or rarely dioecious or polygamous. Sepals 5, 

 rarely 3 or 4, valvate in the bud, more or less united at basw, 

 often having an external calyx or involucre, Petals hypogyu- 

 ous, equal in number to the sepals, twisted in the bud. Stamens 

 hypogynous, commonly indefinite in number, rarely as few as 

 the petals, united below into a monadelphous tube or ring: 

 anthers 1-celled, reniform, bursting transversely. Ovary form- 

 ed of several (iarpels around a common axis, either distinct or 

 cohering. Styles as many as carpels, united or distinct Fruit 

 capsular or rarely baccate: carpels 1 to many-seeded sometimes 

 closely united, sometimes separate or separable. Seeds cam- 

 pylotropous or heterotropous with little or no albumen. Em- 

 bryo curved: cotyledons foliaceous, twisted and doubled up. 



* Styles stigmatio on the inner face : carpels indehiscent : ovules 

 solitary, ascending. 



1. Malva. Bractlects 1-3, distinct : axis broad, shorter than the numer- 

 ous carpels, filaments in 1 series. 



2. Sidalcea. Braotlets none. Filaments in 2 series ; those of the outer 

 •series united intp 5 clusters : carpels 5-10, covering the axis. 



* * Stigmas capitate : carpels mostly dehiscent, at least at the 

 apex. 



3. SpUaeralcea. Bractlets 1-3, ovules 2, the lower ascending, the up- 

 per pendulous. 



4. Sida. Bractlets usually none : ovule solitary. 



5. Abntilon. Bractlets none : ovuled 3-4 in each cell. 



1 MALVA L. Gen; n. 841. 

 Hirsute or glabrate herbs with angularly lobed or dissected 

 leaves and mostly showy flowers solitary in the axils of the 

 leaves or rarely in terminnl racemes. Calyx 5-cleft, with an in- 

 volucre of usually 3 oblong or setaceous bractlets or rarely none. 

 Petals 5, obcordate. . Staminal column divided above into "numer- 

 ous filaments. Styles filiform, stigmatic on the inner side. Car- 

 pels numerous with a single ascending ovule in each. Fruit de- 

 pressed, the numerous free carpels separating from the broad and 

 not projecting axis, indehiscent, beakless. 

 M. BORB..LIS Wall, in Liljebl. Sv. Fl. ed. 2, 218. Annual, erector some- 



