FLORA OF ST. CEOIX AND THE VIRGIN ISLANDS. 29 



58. Sida jamaicensis, L. 



Fl. Dec-March. Flower expanded till 9 A. M. Calyx shorter than 

 the corolla. In grass-fields and thickets. Often sufirutescent, G' high. 

 Common. — All islands. 



59. S. spinosa, L. a), (3) angustifolia, Lam., and ) ) polycarpa, Egg. 



Fl. Sept.-March. y) snffratescent, 4' high. Pedicel as long as the 

 whole leaf. Pistils, ovaries, and carpids always 12. «) and /S) common 

 in grass-fields and pastures, y) near rivulets. — All islands. 



60. S. rhombifolia, L. (v. Swart Maran). y) retusa. 



Fl. Dec-March. Petals showing a purple blot at the base. Com- 

 mon in waste i)laces. — All islands. 



61. S. tristis, Sclileclit. (Linna'a, iii, 271). 



St. Thomas (Schl.). 



62. S. supina, L'Her. a) glabra aud 3) pilosa, Egg. 



Fl. Nov.-March. Two very distinct forms : «) in shady, moist places ; 

 (3) in dry localities. Not uncommon in thickets and forests. — All islands. 



63. S. arguta, Cav. (not S. arguta, Sw., as stated in Griseb. Sy.st. Uuters. p. 31) 



St. Croix (West, 297); St. Thomas (Schl.). 



64. S. nervosa, DC. a) and ft) viscosa, Egg. 



Fl. Dec-April. /?) viscous and glandular pilose. Petals reddish; 

 pistils red. Kot uncommon along roads and ditches. — All islands. 



65. S. acuminata, DC. a) macrophylla and /?) microphylla. 

 St. Thomas (Schl.). "Inlocis siccis." 



66. S. cordifolia, L. /3) althasfolia, S\v. 



Fl. March. Here and there along roads. — St. Croix (West, 297); St. 

 Jan (Bethania). 



67. S. humilis, W. (?) Cav. 



St. Thomas (Schl.). "In locis umbrosis." 



68. Abutilon periplccifolium, G. Don. a) and /?) albicans, carpids 3-oYiilate. 



Fl. all the year round. Seeds dimorphous. The two seeds in the 

 superior cell glabrous, the one in the inferior silky, a) not uncommon 

 along roads. /3) imcommon. — St. Croix (a and fl); St. Jan (,3). 



69. A. umbellatum, Sw. 



Fl. Dec-March. Seeds cordate, brown. Not very common in open, 

 dry localities. — All islands. 



