FAM. 112. 91 



M. Drummondii. Stem ei . 3-lobcd, with petioles shorter 



than the blades; fl< . rwL Cultivated. 



7. Involucel of 3 distinct bractlets; ca I leeded; — herbs, pn 



with alternate, palmately-lobed leaves; fl . \illary, incon- 



cuous; sepals and petals 5; carpels transversely 2-celled, stig- 

 mas 15-9 __._-____ Modiola 

 M. Caroliniana multifida'. Stems branched at the base; leaves cordate. 3-5 

 cleft; petioles shorter than the blades; flowers red. Waste places. Summer. 



7. Involucel of 6-9 bractlets; carpels 1-seeded, arranged around an axis, Althaea 

 A. rosea, Hollyhock. Leaves cordate. 5-7 angled. Cultivated. 



v tod of 3 conspicuous bracts; styles united; — leaves palmately 



lobed or entire; calyx cup-like; petals white or yellowish, turn- 

 ing pink or magenta; ovules numerous in each cell. Cultivated. 



Gossypium, Cotton 



G. Barbadense, Sea-Island Cotton. Lobes of the leaves 3-5, mostly longer 

 than the body; seeds smooth, completely separable from the cotton. 



G. herbaceum, Upland or Common Cotton. Lobes of the leaves 3-5, mostly 

 shorter than the body; seeds with a close persistent coat. 



G. religiosum. Shrubby; leaves with 3 lobes shorter than the body of the leaves; 

 seeds with a close persistent coat, tawny. 



8. Involucel of several, rarely 3-5 bractlets; styles spreading; — herbs, 



shrubs or trees, -___-_ Hibiscus, Rose-mallow 



a. Calyx equally 5-cleft or toothed, persistent, ----- b 



a. Calyx-tube split on one side, deciduous; — leaves 5-lobed; involu- 



cel about 5-bracted, caducous. Cultivated. H. esculentus, Okra, Gumbo 



b. Shrubs or small trees; — leaves 3-lobed; cult, in red, white, pink 



and rose varieties, where it is not too warm. 



H. Syriacus, Shrubby Althaea, Rose of Sharon 



b. Herbs, ____________ c 



c. Bractlets 10-12, bristly, forked at the end; leaves hispid; — leaves 



3-5 lobed; corolla yellow or cream-colored with a purple 



blotch. Near swamps. Summer. - - - - H. aculeatus 



c. Bractlets entire, -__-----__ <j 



d. Foliage velvety-tomentose; — leaves conspicuously 3-lobed; corolla 



pale pink with reddish blotch. Marshes near the coast. Sum- 

 mer and Fall. ------- H. grandiflorus 



d. Foliage glabrous; — leaves 5-parted with narrow segments; cor- 

 olla deep red. Marshes near the coast. Summer. - H. coccineus 



Single and double varieties of H. rosa-sinensis, shrubby, in pink, salmon, yellow, 

 scarlet and carmine are cultivated. 



112. Sterculiaceae, Cola-nut Family. 



Shrubs and trees with alternate simple or compound 

 leaves ; flowers perfect ; sepals 5 ; petals 5 or wanting ; stamens 

 as many as the sepals or more, sometimes with staminodia, 

 anthers 2-3 celled; ovary of 5 more or less united carpels, 

 or fewer; fruit a capsule or follicle. 



Shrubs with large cordate tomentose leaves on long petioles, palmately- 

 veined, border angular, apex somewhat acuminate; pink flo 



