EUPIIORBIACEJE 

 Buxus sempervirens, L. (fig. 639). 



481 



Primary root long, tapering, with a few short, fleshy, adventitious 

 rootlets. 



Hypocotyl erect, terete, suffrutescent, 

 glabrous, pale green, 3'3 cm. long, 1 mm. 

 thick. 



Cotyledons foliaceous, oblong-linear or 

 spathulate, obtuse, glabrous, deep green, 

 1*3 cm. long, 3*75 mm. wide, tapering to 

 the base. 



Stem suffrutescent, erect, quadrangular 

 from the decurrent lines from the petioles, 

 glabrous, pale green ; 1st internode 8 mm. 

 long; 2nd 2-5 mm. 



Leaves simple, cauline, opposite, decus- 

 sate, exstipulate, shortly petiolate, bright 

 green, glabrous, entire, evergreen ; petioles 

 slightly grooved above, 1 mm. long. 



First and second pairs alike, obovate or 

 subelliptic. 



Phyllanthus flaccidus, Thwaites (fig. 

 640). 



Hypocotyl erect, terete, glabrous, closely 

 mottled with red on a pale green ground, 

 l - 4-l"6 cm. above the ground, more or less 

 covered with minute crystalline papillae. 



Cotyledons oblong-oval, obtuse, entire, 

 alternately incurvinerved, petiolate, glabrous, 



deep green, firm, horizontal; lamina 9-10'5 mm. long, 4'5-5'5 mm. 

 wide ; petiole biconvex or somewhat flattened above, minutely papil- 

 lose, 1-1'5 mm. long. 



Stem erect, terete, slender at this stage, glabrous, minutely 

 papillose, and mottled with red on a pale green ground, ultimately 

 woody ; 1st internode 9-11 mm. long ; 2nd 4-5 mm. ; 3rd 4-5 mm. ; 

 4th 6-5-7-5 mm. 



Leaves simple, entire, cauline, alternate, stipulate, petiolate, 

 scattered on the primary stem, and distichous on the lateral branches, 

 alternately incurvinerved and reticulate, glabrous, revolute at the 

 margin, minutely dotted with pale grey on a deep green ground, 

 glaucous beneath ; stipules minute, triangular-subulate, acute, pale 

 green, or pinkish, hyaline at the margin ; petioles terete, smooth, 



FIG. 639. 



Buxus sempervirens. 

 Nat. size. 



