238 THE JOURNAL OF INDIAN BOTANY. 



glands absent. Assimilatory tissue in the axis chlorenchymatous. 

 Poricycle formed of bast fibres. Medullary rays 1-2 seriate. Pith 

 formed of thick-walled cells. 



Indigofera argentea Barm.— Epidermal cells tabular. Meso- 

 phyll isobilateral. Veins embedded and enclosed in bundle-sheaths. 

 Tannin sacs in the middle of the mesophyll, in cortex and pith. 

 Clothing hairs in the form of two-armed trichomes. External glands 

 absent. Assimilatory tissue in the axis chlorenchymatous. Pericycle 

 formed of bast fibres. Medullary rays uniseriate. Pith formed of 

 thin-walled cells. 



Indigofera anabaptista Steud,— Epidermal cells tabular. Me- 

 sophyll isobilateral. Veins embedded and enclosed in bundle-sheaths. 

 Tannin sacs in the middle of the mesophyll, in cortex and pith. 

 Clothing hairs in the form of two-armed trichomes. External glands 

 abseut. Assimilatory tissue in the axis chlorenchymatous. Pericycle 

 formed of bast fibres. Medullary rays uniseriate. Pith formed of 

 thick-walled cells. 



Psoralea odorata Blatt. and Hall.— Figs. 108. Epidermal cells 

 tabular. Mesophyll isobilateral. Veins vertically transcurrent by 

 means of colourless parenchyma and enclosed in bundle-sheaths. 

 Tannin sacs found near the veins and in the soft bast. Intramural 

 glands found in the leaf. Clothing hairs appressed and muriculate. 

 External glands club-shaped. Assimilatory tissue in the axis chloren- 

 chymatous. Pericycle formed of bast fibres. Medullary rays unise- 

 riate. Pith formed of thick-walled cells. 



Tephrosia incana Grah. — Epidermal cells tabular. Mesophyll 

 bifacial. Veins vertically transcurrent by sclerenchyma. Veins 

 provided with bundle-sheaths. Clothing hairs in the form of 

 uniseriate trichomes with muriculate walls. Pericycle composed of 

 groups of stone-cells. Tannin sacs in the middle of the mesophyll. 

 External glands absent. Assimilatory tissue in the axis chloren- 

 chymatous. Pericycle formed of stone-cells. Medullary rays uni- 

 seriate. Pith formed of thin-walled cells. 



Tephrosia multiflora Blatt. and Hall— -Epidermal cells 

 tabular. Mesophyll bifacial. Veins vertically transcurrent by scleren- 

 chyma and provided with bundle-sheaths. Clothing hairs in the form 

 of uniseriate trichomes with muriculate walls. External glands 

 absent. Pericycle formed of groups of stone-cells. Tannin sacs in 

 the middle of the mesophyll. Assimilatory tissue in the axis chloren- 

 chymatous. Pericycle formed of stone-cells. Medullary rays uni- 

 seriate. Pith formed of thin-walled cells. 



Alysicarpus vaginalis DC— Figs. 109, 110, 111. Epider- 

 mal cells tabular with outer walls toothed. Mesophyll bifacial. 



