MALVACEAE 259 



Gossypium barbadense, L. American Upland Cotton (fig. 215). 



Hypocotyl 7 cm. long, suffrutescent, erect, terete, sparsely 

 pubescent, punctate with black dots, pale green. 



Cotyledonsl&icge, foliaceous, transversely oblong, shortlypetiolate ; 

 lamina three- to five-nerved, punctate with black dots, subemar- 

 ginate or shortly and very obtusely pointed at the apex, 2'5 cm. 

 long, 4-35 cm. broad. 



Stem suffrutescent, erect, terete, hairy, punctate with black dots, 

 pale green ; 1st internode 6'8 cm. long ; 2nd 1-8 cm ; 3rd, 4th, and 

 5th 1-1 cm. 



Leaves simple, cauline, alternate, stipulate, petiolate, five- to 



FIG. 215. Gossypium barbadense. One-fourth nat. size. 



seven-nerved and reticulate, hairy on both surfaces and minutely 

 punctate with black dots on the under surface ; petioles terete, hairy , 

 pale green, punctate like the lamina ; stipules lanceolate, acute, 

 subcarinate, hairy, pale green, and punctate. 



No. 1. Ovate, slightly acuminate, subcordate at the base, tri- 

 nerved, entire. 



No. 2. Cordate, entire, subacute, suddenly and shortly subacu- 

 minate, five-nerved. 



Nos. 3 and 4. Palmately five-nerved, trifid, broad, cordate at the 

 base. 



No. 5. Similar, but larger and seven-nerved. 



8 2 



