52 MALVACE/E. (MALLOW FAMILY.) 



* * Annuals: flowers small, crowned, expanding at night. 



8. S. Antirrhina, L. Stem slender, smoothisli, clammy below the upper 

 joints ; leaves linear, acute, sessile, the lowest lanceolate, narrowed into a petiole ; 

 flowers panicled ; calyx smooth ; petals obcordate, rose-colored. — Dry old 

 fulds, Florida and northward. May and June. — Stems 6' -2° high, simple or 

 branched. Flowers minute. 



9. S. quinquevulnera, L. Hairy; stem branching ; leaves spatulate, 

 the upper ones linear; flowers in 1-sided racemes; calyx hairy; petals rounded, 

 entire, pink or crimson with a paler border. — Near Charleston. Naturalized. 



— Stem l°high. 



15. SAPOWARIA, L. SoArwoitT. 



Calyx tubular, terete, 5-toothed. Petals long-clawed. Stamens 10. Styles 

 2. Capsule sessile or short-stiped, 1-celled, or 2-celled at the base, 4-toothed at 

 the apex. — Cymes dense-flowered. 



1. S. officinalis, L. Perennial; stems stout, erect, smooth ; leaves ovate, 

 connate, strongly 3-ribbcd ; petals crowned, white or rose-color, mostly double. 



— Waste places. Naturalized. — Stems 1° - 2° high. 



16. AGROSTEMMA, L. Corn-Cockle. 



Calyx tubular, with 5 elongated linear deciduous lobes. Petals 5, entire, 

 crownless. Stamens 10. Styles 5. Capsule 1-celled, 5-toothed. — Annual or 

 biennial pubescent herbs, with linear leaves, and showy purple flowers on elon- 

 gated peduncles. 



1. A. GithagO, L. Plant (l°-2° high) whitened with long appressed 

 hairs; stem forking; petals obovate, cmarginate, shorter than the lobes of the 

 calyx. — Grain fields. Introduced. June and July, (j) — Peduncles 4'-6' 

 long. Flowers 1' wide. 



Order 22. MAL.VACE2E. (Mallow Family.) 



Mucilaginous herbs or shrubs, with palmatcly veined alternate stipulate 

 Leaves, and regular monadelphous flowers on jointed peduncles. — Sepals 

 5, united a1 the base, valvate in the bud, persistent, often with a calyx- 

 like involuceL Petals 5, convolute in the bud. Stamens numerous, united 



into a column which is continuous with the claws of the petals: anthers 

 I -celled, opening transversely. Ovaries united into a ring, or forming a 

 several-celled capsule. Styles separate or united. Seeds kidney-shaped. 

 Albumen scarce or none. Embryo large, curved, with Leafy cotyledons. 

 Pubescence commonly Btellate. Pollen grains hispid. 



Synopsis* 



Trmir. I. M A I.VK.'K. — Oaiptll U many U tin- Migniiui, 1 t.» -Madid, AUpOMd i» ■ ''into 

 ■round a central ndi, tenanting »t maturltj bom tha axil and (tarn aachothar. An- 

 then borne ;>t tha apex of th lamn 



