ANACAKDIACEyE 



373 



a glaucous bloom, ultimately light green; petioles very short, sub- 

 terete, shining. 



Nos. 1-5. Keduced to small, subulate, acute, discoloured scales. 



Nos. 6-22. Oblong-oval, obtuse, ernarginate, otherwise entire, 

 gradually larger in order of development. 



Rhus typhina, L. (fig. 256). 



Primary root tapering downward at an obtuse angle into the soil, 

 dark-coloured, with a few lateral rootlets, and soon equalled or 

 superseded by strong lateral rootlets immediately beneath the soil, 

 covered with root-hairs. 



Hypocotyl erect, terete, glabrous, crimson, 12-28 mm. long. 



Cotyledons spathulate-oblong, obtuse, tipped with a glandular 

 mucro, slightly falcate, petiolate, trinerved from the base, gla- 

 brous except the petioles, dull green 

 above, paler beneath, when fading 

 of a rusty red or crimson colour ; 

 lamina 5-9*5 mm. long, 2'5-4'5 

 mm. wide ; petioles channelled 

 above, convex beneath, dilated and 

 slightly connate at the base, and 

 again dilated into the lamina, 

 slightly hairy on the margins 

 above, 1-75-4-5 mm. long. 



Stem erect, terete, hairy, with 

 simple glandular hairs ; green, 

 reddish, or crimson, ultimately 

 shrubby ; 1st internode 2-25 mm. 

 long ; 2nd and 3rd each about -5 

 mm. 



Leaves compound, imparipin- 

 nate, cauline, alternate, exstipu- 

 late, petiolate, alternately and 

 ascendingly penninerved with the 

 nerves running straight into the 

 teeth and divisions, somewhat hairy above and at the margins ; hairs 

 simple, glandular ; deep green above, glaucous beneath, when fading 

 of a rusty red or yellow and crimson colour ; petioles senaiterete, 

 channelled above, coarsely hairy with simple glandular hairs, 

 generally red. 



Nos. 1-3. Trifoliolate ; lateral leaflets narrowly lanceolate, acumi- 

 nate, acute or subacute, more or less distinctly serrate in the lower 

 half, sessile ; terminal leaflet rhomboid-lanceolate, acuminate, sub- 



FIG. 256. Bhus 



