316 A FLORA OF MANILA 



Genera 33, species about 725 of wide tropical and temperate distribution, 

 11 genera and 40 species in the Philippines. 



1. Fruit composed of carpels separatingfrom the central axis when mature. 

 2. Styles as many as'the carpels. 

 3. Ovules solitary; corolla less than 1.5 cm in diameter. 



4. Carpels with 3 short spines; ovules ascending. 1. Malvaatrum 



4. Carpels with 2 awns or awnless; ovules pendulous 2. Sida 



3. Ovules 2 or more..... - 3- Ahutilon 



2. Styles or branches of the stigmas twice as many as the carpels. 



3. Flowers fascicled, axillary; coarse erect herbs 4. Malachra 



3. Flower? solitary. 



4. Bracteoles 5; fruit of 5 spiny carpels 5. Urena 



4. Bracteoles more than 5; flowers red; carpels connate into a some- 

 what fleshy fruit; cultivated only 6. Malvaviacue 



1. Fruit capsular, dehiscent, or subindehiscent. 

 2. Sti^as spreading. 



3. Cells of ovary 1-ovuled; spreading herbs 7. Kosteletzkya 



3. Cells of the ovary 2- to many-ovuled; erect herbs, or shrubs or trees. 

 4. Calyx spathe-like^ splitting down one side and circumscissly de- 

 ciduous _ ~ - 8. A belmosehus 



4. Calyx regularly lobed, persistent 9. Hibiscus 



2. Stigmas coherent in a club-shaped mass. 



3. Bracteoles 3 to 5, small 10. Thespesia 



8. Bracteoles 3, very large 11. Gossypium 



1. MALVA8TRUM A. Gray 



Herbs or undershrubs, the leaves toothed. Flowers yellow, axillary and 

 terminal. Calyx cup-shaped, 6-parted. Petals longer than th& sepals. 

 Staminal-tube anther-bearing at the summit, with no sterile teeth; anthers 

 numerous. Ovary 6-celled or more; styles as many as the carpels. Ripe 

 carpels separating from the short torus, indehiscent, l-seeded, beaked or 

 not (From Malva another genus of the family.) 



Species about 60, all American and South African, 2- widely distributed 

 as weeds, 1 in the Philippines. 



1. M. COROUANDELINUM (L.) Garcke (Af. trimspidatnm A. Gray). Quina- 

 lumpang (Tag.). 



An erect, somewhat hairy, branched, suifrutescent, perennial plant 1 m 

 high or less. Leaves oblong to ovate-lanceolate, obtuse, base usually 

 rounded, irregularly toothed, 2 to 5 cm long. Flowers axillary and terminal. 

 Calyx green, about 7 mm long, the lobes lanceolate, acuminate. Corolla 

 yellow, the petals about 8 mm long. Fruit consisting of from 8 to 12, 

 reniform, compressed, hirsute carpels 2 to 3 mm long, each carpel with 

 8 short straight awns. (Fl. Filip. pi. 251, M. ruderale.) 



Abundant in waste places, fl. all the year, introduced; throughout the 

 Philippines. A. native of tropical America, now widely distributed in the 

 tropics. 



2. SIDA Linnaeus 



Erect, branched, suffrutescent herbs or undershrubs, or trailing herbs, 

 more or less stellate-pubescent or nearly glabrous. Leaves simple or some- 

 what lobed, toothed. Flowers axillary. Calyx-lobes 6, valvate. Petals 

 yellow, free above, connate below and adnate to the staminal-tube. Stamens 



