120 MALVACEAE. 



2. M. coromandelianum (L.) Garcke. Stems 3-9 dm. tall: leaf -blades orbicu- 

 lar-ovate to oblong-ovate, 2-8 em. long, sharply serrate: calyx-lobes triangular- 

 ovate: petals light-yellow: carpels hirsute on top. [M. americanum (L.) 

 Torr.] — Hammocks. — {Ber., Bah., Cuba, 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. 



Upper stem-leaves with ovate, lanceolate or cuneate blades : mature carpels with 

 1 or 2 long slender teeth. 

 Mature carpels with 1 tooth each : peduncles, at least those 



arising from the stem, much longer than the pedicels. 1. 8. rhomhifoUa. 



Mature carpels with 2 teeth each : peduncles shorter than the 



pedicels or only slightly longer. 2. 8. carijinifolia. 



Upper stem-leaves linear : mature carpels with 2 short stout teeth. 3. 8. EUiottii. 



1. S. rhombif olia 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. — Pinelands and hammocks. — 

 F. K. (Ber., Cuba, Ant.) 



2. 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 waste places. — F. K. 



(Ber., Bah., Cuba, Ant.) 



3. S. EUiottii 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. — Pinelands. — F. K. 



5. URENA [Dill.] L. Shrubs or partially woody herbs. Leaf -blades 

 angled or lobed. Involucel present. Sepals 5, united below, and often par- 

 tially adnate to the bractlets. Petals 5, yellow, pink, or purplish. Carpels 5, 

 or rarely more, 1-celled, indehiscent, usually bristly with barbed spines. 



1. U. lobata L. Stems mostly 1-2 m. tall, tomentose: leaf -blades suborbicular 

 to oval, shallowly lobed and serrulate: bractlets linear-lanceolate, 3-5 mm. 

 long: calyx about as long as the involucel: petals pink or rose, about 2 cm. 

 long: carpels 4-5 mm. in diameter. — Hammocks. — {Cuba, Ant.) 



6. MALACHE 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, pale. Carpels with a median crest 

 at the apex and 2 lateral cusps. 



1. M. scabra B. Vogel. Plants 1-3 m. tall, pulverulent: leaf-blades ovate to 

 oblong-ovate, 6-15 cm. long: bractlets oblong-lanceolate: calyx-lobes ovate: 

 petals greenish-yellow or whitish, 2-2.5 cm. long: mature carpels about 10 

 mm. long, reticulate on the back. [Pavonia racemosa Sw.] — Coastal ham- 

 mocks. — F. K. {Bah., Cuba, Ant.) 



7. HIBISCUS L. Herbs, shrubs, or trees. Leaf-blades entire, lobed, or 

 parted. Involucel of several, rarely 3-5 bractlets. Sepals 5, more or less 

 united. Petals 5, white or colored. Carpels forming a 5-valved capsule. — 

 Rose-mallow. 



