ILLUSTRATIONS. 
{ Photomicrographs by Martin.] 
PLATE I. 
ABACA (JMusa texrtilis). 
Fig. 1. Transverse section of isolated fibers. 
2. Fibers seen longitudinally. 
PLATE II. 
PLANTAIN (Musa paradisiaca) . 
Fig. 1. Transverse section of group of fibers. : 
2. Fibers seen longitudinally. 
PLATE III. 
MAGUEY (Agave cantula). 
Fic. 1. Transverse section of a group of fibers. 
2. Fibers seen longitudinally. 
PLATE IV. 
CoGon (/mperata exaltata) . 
— 
Fig. 1. Transverse section of a bundle of fibers. 
2. Fibers seen longitudinally. 
PLATE V. 
TALAHIB (Saccharum spontaneum) . 
Transverse section of isolated fibers. 
Kia. 
2. Fibers seen longitudinally. 
PLATE VI. 
Esparto (Stipa tenacissima) . 
Fig. 1. Transverse section of isolated fibers. 
2. Fibers seen longitudinally. 
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