Sida.~\ MATtVACEAE. 89 



3. Sida, Linn. 



Herbs or undershrubs, pubescent with simple or stellate hairs. 

 Leaves toothed; stipules linear. Flower pedicels axillary, 

 solitary or clustered, disarticulating in fruit at a joint below the 

 calyx : bracteoles 0. Sepals 5, connate below. Corolla small, 

 yellow or white. Staminal tube divided into numerous filaments 

 at the top. Ovary 5-12-celled ; ovules pendulous, 1 in each cell ; 

 styles as many as the carpels ; stigmas terminal. Fruit depressed- 

 globose, enclosed in the calyx ; carpels separating from each other 

 and from the axis. Seeds smooth. Fibre-yielding plants. 



Whole plant velvety ; awns of carpels exceeding the calyx, retrorse- 



hairy; carpels 10 1. cordifolia. 



Plant pubescent or tomentose, not velvety ; awns shorter than the calyx 

 segments : 



Carpels 5 ; leaves cordate or truncate : 

 Leaves acute ; pedicels jointed in the middle : 



Stem trailing ; leaves and slender branches sparingly hispid, not 



glutinous 2. reronicaefolia . 



Stem erect ; leaves and stoutish branches glutinous... 3. glutinosa. 



Leaves obtuse ; pedicels jointed near the flower 4. spinosa. 



Carpels 6-10 (rarely 5 in S. acuta) ; leaves cuneate: 



Leaves small, cuneate-obcordate, entire 5. Schimperiana . 



Leaves serrate : 



Leaves nearly glabrous ; peduncle equal to the petiole ...6. acuta. 

 Leaves pubescent-hoary ; peduncle longer than the petiole : 

 Peduncle jointed in the middle half ; carpels awned 



7. rhombifolia. 

 Peduncle jointed at the base ; carpels usually muticous 



8. rhomboidea. 



1. SIDA CORDIFOLIA, Linn. ; F. B. I. i. 324; W. & A. 58. 



A weed of roadsides and waste land, in all Districts. 



2. SIDA VERONICAEFOLIA, Lam. S. humilis, Willd. ; F. B. I. i. 

 822 ; W. & A. 59. 



A weed of waste places in all plains Districts. 



3. SIDA GLUTINOSA, Cav. 8. mysorensis, W. & A. 59 ; F. B. I. i. 

 322. S. urticaefolia, W. & A. 59. 



A weed of waste places in all plains Districts. 



4. SIDA SPINOSA, Linn. ; F. B. I. i. 323. 8. alba, Linn. ; W. & A. 

 58. 



A weed of waste places in Deccan and Carnatic Districts, 



