MALVACEAE. 91 



Sepals 5, partially united. Petals 5, variously colored. Carpels 5 or more, 

 1-eelled, beaked or beakless. — False-mallow. 



1. M. corchorifoliimi (Desr.) Britton. Stems 3-9 dm. tall: leaf -blades ovate 

 to oblong-lanceolate, 2-6 cm. long, coarsely serrate: calyx-lobes triangular- 

 ovate, acuminate: petals orange-yellow: carpels hispidulous. [M. Eugelii S. 

 Wats.] — Hammocks, waste places, and cultivated grounds, L. keys. — [E. K.] 

 {Bah., Cuha, Ant.) 



4. SIDA L. Herbs or partially woody plants. Leaf-blades usually 

 toothed. Involucel usually wanting. Sepals 5, partially united. Petals 5, 

 pale, often yellow. Carpels 5-many, 1-celled, commonly singly or doubly 

 beaked. 



Flowers or flower-clusters in leafy involucres at the ends of the branches. 



1. S. ciltaris. 

 Flowers or flower-clusters axillary or sometimes in terminal 

 panicles. 

 Upper stem-leaves with broad blades. 



Stems and branches prostrate. 2. 8. procumtens. 



Stems and branches erect or ascending. 



Mature carpels with 1 tooth each : peduncles, at least 

 those arising from the stem, much longer than the 

 pedicels. 3. B. rhombifolia. 



Mature carpels with 2 teeth each : peduncles shorter 



than the pedicels or only slightly longer. 4. S. carpinifoUa. 



Upper stem-leaves narrowly linear. 5. S. Elliottii. 



1. S. ciliaris L. Plants with diffuse branches 1-3 dm. long: leaf -blades oblong 

 to cuneate, 1— i em. long, serrate: calyx-lobes triangular: petals reddish-purple: 

 mature carpels 5-8, 2-2.5 mm. long. — Hammocks and open places, U. keys, 

 L. keys. — (Bah., Cuba, Ant.) 



2. S. procumbens Sw. Plants with tomentose branches, 1-6 dm. long: leaf- 

 blades suborbicular to ovate, 1-2.5 cm. long, crenate: calyx-lobes deltoid- 

 acuminate: petals yellow, 4-6 mm. long: mature carpels often 5, about 2 mm. 

 long, puberulent. [S. supina L'Her.] — Hammocks and waste places, U. keys, 

 L. keys, L. S. keys. — {Bah., Cuba, Ant.) 



3. S. rhombifolia L. Plants 5-9 dm. tall, the branches puberulent or glabrate : 

 leaf -blades rhombic, elliptic-obovate, or oblanceolate, 1.5-8 cm. long, serrate: 

 calyx-lobes triangular: petals pale-yellow or sometimes red-blotched at the 

 base: mature carpels 10-12, about 5 mm. long. — Hammocks and pinelands, and 

 waste places, U. keys, L. keys. — [E. K.] — {Ber., Bah., Ant.) 



4. S. carpinifolia L. f. Plants 3-9 dm. tall, the branches puberulent or 

 glabrate: leaf -blades lanceolate, oblong-ovate, or ovate, 2-10 cm. long, irregu- 

 larly serrate: calyx-lobes triangular: petals yellow to white: mature carpels, 

 8-10, about 4 mm. long.— Pinelands, hammocks and cultivated grounds, U. keys, 

 L. keys, L. S. keys. — [E. K.] — {Ber., Bah., Cuba, Ant.) 



5. S. Elliottii T. & G. Plants 3-5 dm. tall, or sometimes depressed: leaf- 

 blades linear or nearly so, 2-7 cm. long, serrate: calyx-lobes triangular: petals 

 deep-yellow: mature carpels 8-12, 4-5 mm. long, rugose-reticulated on the 

 back. — Open sandy places and edges of hammocks, Key West. — [E. K.] 



5. MAIjACHE B. Vogel. Shrubs or partially woody plants. Leaf -blades 

 broad, remotely serrate or repand, 3-ribbed. Involucel of 6-8 bractlets or 

 more. Sepals 5, partially united. Petals 5, j)ale. Carpels with a median crest 

 at the apex and 2 lateral cusps. 



