258 ORDER XXXIII. — MALVACEAE. 



ANALYSIS. 



1. Calyx having no involucel 4 



Calyx having an involucel 2 



2. Involucel many-leaved 5 



Involucel 3-leaved 3 



8. Carpels with 2 horna JSfodiola, 3 



Carpels without horns Millva, 2 



Carpels without horns, yellow Malope, 1 



4. One ovule in each cell Sida, 7 



Three or morn, ovules in each cell Ahutilon, 6 



5. Styles 10, cells 1-seeded Malvaviscus, 4 



Styles 5, cells several-seeded Hibiscus, 8 



Genus I.— MAL'OPE. L. 15—12. 



(From the Greek malos, tender; soft leaves.) 



Sepals 5, united, with 3 setaceous bracteoles, hairy. Capsules 

 with many distinct carpels, eacli 1-seeded, aggregated. 



1. M. malacoi'des, (L.) Stem sparingly branched, with hairs near 

 the summit. Leaves ovale, crenate, obtuse at the base, glabrous on the 

 upper surface, hairy along the veins beneath. Flowers axillary, soli- 

 tary. Petals about twice as long as the sepals. Capsules hispid. Seeds 

 compressed. — Yellow. 0. Virginia. 



Genus II.— MAL'VA. L. 15—12. 

 (From malake, soft, in allusion to the mucilaginous qualities of the species.) 



Sepals 5, united, with 3 bracteoles at the base, both hairy. 

 Carpels generally more than 5, arranged circularly, indehiscent. 



1. M. rotundifo'lia, (L.) Stem prostrate, hairy. Leaves 5 — 7- 

 lobed, cordate, orbicular, on long petioles; lobes obtuse, hairy. Flowers 

 axillary ; bracteoles subulate, nearly as long as the sepals, hairy. Style 

 many-cleft. — White. If. May — July. About buildings. 1 — 2 feet 

 long. 



2. M. papa'ver, (Cav.) Stem herbaceous, prostrate, 1 — 2 feet long, 

 hairy. Petioles long (5 — 6 inches), hairy. Leaves digitate. Lobes 

 from 3 — 5, long ; margins and nerves bristled. Peduncles long (5 — 6 

 inches), hairy. Calyx usually double, the interior 5-parted ; margins 

 and nerves furnished with acute bristles. Petals 5, obtuse, fringed, or 

 laciniate on the exterior margins, large, dark purple. — In pine woods. 

 Florida and southern parts of Georgia. 



Croom in Sill. Jour., vol. xxvi. p. 313. 



Genus III.— MODI'OLA. Mcen. 15—12. 

 (From modiolus, the nave of a wheel, in allusion to the arrangement of the carpels.) 



Calyx 5 -cleft, with 3 bracteoles at the base. Carpels ar- 

 ranged circularly, 2-valved, spuriously 2-celled, 2-seeded. 



1. M. multif'ipa, (Mcen.) (Malva Carolinia'na of Ell.) Stem dif- 

 fuse, hirsute, prostrate. Leaves 3 — 5-lobed, obtuse, cordate at the base. 

 Lobes dissected. Carpels numerous, hispid, with 2 subulate horns, lu- 

 nate, compressed, united in a truncated head. — Red. 0. April — 

 June. Common about buildings. 



