MALVACEAE. 95 



3. Mdlvastrnm A. GRAY. 



Malvastrum tricuspidatum A. GRAY ; BENTH. Fl. Hongk. p. 32 ; 

 FORBES et HEMSL. Ind. Fl. Sin. I. p. 84 ; HENRY List PL Formos. p. 20 ; 

 MATSUM. et HAY ATA Fmim. PL Formos. p. 51. 



HAB. Hosan, Tamsni. 



DISTRIB. Indigene of America ; but now widely diffused. 



4. S-ifla LINN. 



Dicliotomons Key to the Formosan Species. 



(1) Leaves densely villose .". . .8. cordifolla. 



Leaves glabrous, slightly hispid. (2) 



(2) Leaves cordate, cuspidate at the base. (3) 

 Leaves rhomboid, acute or obtuse or lanceolate. (4) 



(3) Leaves small, 2.1 cm. long /S\ liumilis. 



Leaves large, 8-9 cm. loug S. mysorensis. 



(4) Leaves much broader, peduncles longer S. rltombifolia. 



Leaves much narrower, peduncles shorter. .... S. acufa. 



Sida cordifolia LINN. Sp. PL ed-2, p. 901 ; DC. Prodr. I. p 464 ; 

 BENTH. Fl. Hougk. p. 33 ; MAST, in HOOK. f. FL Brit. lud. I. p. 324 ; FORBES 

 et HEMSL. lud. Fl. Sin. I. p. 85 ; HENRY List PL Formos. p. 20 ; MATSUM. 

 et HAYATA Enum. PL Formos. p. 51. 



HAB. Tamsui, Shintiku, Clmko, Takow. 



DISTRIB. Widely diffused iu tropical and subtropical regions. 



Sida humilis WILLD. Sp. PL III. p. 744 ; DC. Prodr. I. p. 463 ; 

 BENTH. FL Hougk. p. 32; MAST, in HOOK. f. Fl. Brit. lud. I. p. 322; 

 FORBES et HEMSL. lud. Fl. Sin. I. p. 85 ; HENRY List PL Formos. p. 20 ; 

 MATSUM. et HAYATA Eiium. PL Formos. p. 52. 



HAB. Tainan, Takow, South Cape. 



DISTRIB. Tropical Asia, Africa and America. 



