56 



ON SEEDLINGS 



Viburnum punctatum, Hamilt. (fig. 426). 



Hypocotyl scurfy with deciduous scales, pale green, 3-6 cm. 



long. 



Cotyledons foliaceous, oblong-ovate, obtuse, seven-nerved, with 

 scurfy scales ; lamina 1'7 cm. long, 9 mm. wide ; petiole grooved 

 over 2-5 mm. long. 



Stem woody, erect, quadrangular, densely scurfy with brown 

 scales ; 1st internode 9 mm. long ; 

 2nd and 3rd each 3- 5 mm ; 4th 6 

 mm. ; 5th 7'5 mm. 



Leaves opposite, decussate, ex- 

 stipulate, shining above and thinly 

 scurfy, densely so beneath, alter- 

 nately penninerved ; petioles grooved 

 above, subcarinate beneath with the 

 carina continuous with the angles of 

 the stem. 



First pair ovate-elliptic, obtuse, 

 mucronately serrate-dentate on the 

 upper half. 



Third, fourth, and fifth pairs 

 elliptic, obtuse, mucronately ser- 

 rate-dentate on the upper two- 

 thirds. 



Ultimate leaves oblong-elliptic, 



obtuse or acuminate, nearly smooth on the upper surface, and closely 

 dotted with round scales beneath, alternately incurvinerved. 



Triosteum pinnatifidum, Maxim. 



Hypocotyl 4-8 mm. above the soil. 



Cotyledons broadly oblong, obtuse, entire with a prominent ter- 

 minal gland or slightly emarginate, petiolate, conspicuously reticu- 

 lated, with three nerves running from near the base to the apex of 

 the lamina, light green above, paler beneath, glabrous ; lamina 

 1-1 '3 cm. long, 7-9 mm. wide ; petiole erect, grooved above, 

 connate at the base, forming a cylinder or tube round the stem. 



Stem erect, terete, coarsely hairy, the shorter hairs bearing 

 orange-coloured glands ; 1st internode variable, 1-4-2 cm. long. 



Leaves exstipulate, incurvinerved and prominently reticulated, 

 hairy on both surfaces ; petiole winged, owing to the decurrent 

 lamina, slightly connate at the base, channelled above. 



First and second pairs lanceolate, obtuse, or subacute, mucro- 

 iiate. 



Fio. 426. Viburnum punctatum. 

 Half nat. size. 



