Contr. Nat. Herb., Vol, IX, PLATE X. 
F 1.—NECTAR GLAND IN LOWER SURFACE OF MIDRIB OF 
COTTON LEAF. ENLARGED 50 DIAMETERS. 
2 
Fic. 2.—VaAGINATE NECTAR GLAND IN MibRiB OF PaRITI 
TILIACEUM. NATURAL SIZE. 
