268 Order 24.— MALYACEJS. 



6. SIDA, L. Calyx 5-cleft, without an involucel ; fls. perfect; styles 

 5 or more, with capitate stigmas ; ovary 5 to many-celled ; capsule of 

 5 or more 1-seeded carpels ; radicle superior. 



Loaves palmately parted. Fls. rose-white. Carpels, beaked Nos. 1, 2 



Leaves undivided. Fls. yellow. — Carpels 5 No 8 



— Carpels S— 12 ...Nos. 4 — G 



1 S. Napaea Cav. Nearly glabrous; lvs. palmately 5-lobed, lobes oblong, acu- 

 minaL, coarsely-toothed; pel. many-flowered; carpels 10, acuminate-beaked. — ■ 

 11 In rocky woods, Penn. and Va. (rare, more common in gardens). Sts. 2 — 4f 

 high. Lobes of tho lvs. 2 — 3' long. Fls. white, twice larger (7 — 9" broad) than 

 in Napsea dioica. Petals obovate, twice longer than tho calyx. Jl. f (Napaea 

 kiwis and hermaphrodita L.) 



2 S. alcaeoidss Mx. Slrigous-pubescent ; lvs. palmately 5 — 1 -parted, tho seg~ 

 men's laciniate ; fls. corymbed, terminal; carp. 10, acute. — % In barren oaklands, 

 Tenn., Ky. Sts. 1 — 2f high. Coombs 3 — 6-flowered. Fls. nearly as large as 

 those of the musk mallow, to which plant this bears a general resemblance. 

 (Callirrhos alcieoides Gray.) 



3 S. spinosa L. St. rigid, branched, minutely pubescent, lvs. ovate-lanceolate, 

 serrate, with a spinous tubercle at the base of the petiole; stip. setaceous, shorter 

 than the petioles or axillary peduncles; carp, birostrate. — (g) Sandy fields and 

 roadsides, Mid., S. and W. States. Plant bushy, 8 — 16' high. Lvs. 9 — 15" long, 

 \ as wide, mostly obtuso at each end. Petals yellow, obovate, of short duration. 

 Carp. 5. JL, Aug. 



4 S. hispida Ph. Hispid-pubescent; lvs. lanceolate, and rhombic-lanceolate, 

 dentate-serrate ; stip. subulate, hispid, longer than the petioles or axillary, 

 solitary or clustered peduncles ; carpels 2-horned, 10 — 12. — 2| Sandy soils, 

 S. Car., Ga. (Feay). Sts. much branched, 12 — 18' high. Petioles 2 — 3" long, 

 the peduncles rather longer, jointless. Petals yellow, a little exceeding the 

 calyx. On the young steins the lvs. are rhomboidal. JL Aug. 



5 S. Elliottii Torr & Gr. Lvs. linear-oblong and linear, denticulate, obtuse at 

 base; ped. 1-flowered, a little longer than tho very short. (2 — 5") petioles. — 

 % Sandy plains, S. Car. to Fla. St. slender and widely branched, 2 — 5f high. 

 Lvs. 1 — 3' long, varying from narrowly linear to oblong (1 — 5" wide). Fls. 1' 

 broad, orauge-yellow, nearly solitary in tho axils. Petals emarginato. Carp, 

 about 10. May — Aug. 



6 S. rhombifolia L. Lvs. rhombic-oblong, serrate, cuneate and entire at base; 

 ped. much longer than the petioles, jointed just below the flower ; caps. 2-beaked. 

 — Sandy soil, S. Car. to Fla. St. 1 to 2f high, minutely downy. Lvs. 1 to 2' 

 long, rather obtuse at apex. Fls. yellow, 7 to 9" broad, the stalks 1 to 2' long. 

 Cal. angular, with broad, cuspidate sepals. May — JL 



7. ABUTILON, Dill. Indian Mallow. Calyx 5-cleft, without an 

 involucel, often angular; styles 5 to 20, with capitate stigmas; carpels 

 as many, arranged circularly, each 1-celled, 3 to 6-seeded, and opening 

 by 2 valves. 



1 A. Avicennae. Lvs. roundish, cordate, acuminate, dentate, velvety-tomentous ; 

 ped shtrter than the petiole, solitary; carp, about 15, 3-seeded, inflated, truncate, 

 2-beaked. — CD Native in both Indias and naturalized in most of the States, in- 

 habiting waste places, &c. St. branched, 3 to 4f high. Lvs. 4 to 6' diam., 

 deeply cordate at base, abruptly acuminate at apex, very soft and velvety at sur- 

 face. Fls. yellow, near 1' broad. JL § 



2 A. striatum. Dick. Shrub, with 5-lobed, long-stalked lvs., the lobes acuminate, 

 dentate ; peduncles long, nodding, with a handsome bell-shaped flower, the column 

 exserted. — An elegant green-house shrub, flowering at all seasons. Petala 

 orange-color, with conspicuous purple striae, f Brazil. 



8. MALVAVISCUS, Dill. Glue Mallow. (Lat. rnalva, mallows, vis- 

 cus, glue.) Calyx 5-cleft, subtended by an involucre of many bractlets ; 



