186 



ON SEEDLINGS 



Cotyledons spathulate, obtuse, entire, petiolate, glabrous, light 

 green, tapering into the petiole, about 17 mm. long including the 



petiole, one-nerved ; petiole chan- 

 nelled above, dilated at the base 

 and subperfoliate. 



Stem herbaceous and de- 

 veloped when about to flower. 



Leaves simple, radical and 

 cauline, alternate, stipulate, petio- 

 late, entire, glabrous, slightly 

 scabrous at the margin, light 

 green, indistinctly alternately 

 and ascendingly penninerved 

 and reticulate towards the 

 margins ; petioles slightly chan- 

 nelled above, dilated and clasp- 

 ing at the base ; stipules small, 

 glandular, tooth-like and pro- 

 jecting from the upper edges of 

 the petioles a little above their 



FIG. 185. Reseda alba. Nat. size. 



Nos. 1 and 2. Spathulate, ob- 

 tuse, entire, with a few ascending 

 nerves and reticulate towards the 

 margin. 



No. 3. Oblong, with two small lateral, subulate, acute lobes 

 near the base, and a nerve running into each lobe ; middle lobe 

 oblong, entire. 



No. 4. Oblong, pinnatifid, with two alternate, subulate, acute 

 lobes on each side, with branches running into them from the mid- 

 rib ; middle lobe oblong-lanceolate, entire. 



Ultimate leaves pinnatisect with linear more or less undulate 

 segments, glaucous or green, glabrous. 



Eeseda luteola, L. 



Primary root as in B. alba. 



Hypocotyl decumbent, or more often erect, tapering slightly 

 downwards, 4-8 mm. long. 



Cotyledons ovate or oblong-ovate, somewhat succulent, sometimes 

 unequal in size and shape ; lamina 6-8 mm. long, 4*75-5'5 mm. 

 wide ; petiole rounded on the back, flattened or shallowly grooved 

 above, 5-6'5 mm. long. 



Stem as in E. alba, annual or biennial. 



