36 ON SEEDLINGS 



Stem not elongating till about to flower. 



Leaves simple, entire in the first few of the seedling, ultimately 

 bipinnatisect, glabrous, radical, alternate, exstipulate, sessile, 

 scabrous at the margins and densely dotted with sunken glands, 

 green or glaucous, rigid with divaricate spiny-tipped segments. 



Nos. 1-3. Linear, spiny-tipped, entire. 



No. 4. With one lateral segment. 



No. 5. With two lateral segments ; all linear. 



Nos. 6-9. Linear, entire ; but individual seedlings vary to some 

 extent. 



FIG. 414. Aciphylla squarrosa. Half nat. size. C C, cotyledons ; S, seed. 



Ferula communis, L. 



Primary root long, tapering downwards, stout and furnished 

 with lateral rootlets. 



Hypocotyl short, subterranean or undeveloped, or indistinguish- 

 able from the root. 



Cotyledons linear, obtuse, with long petioles, tapering slightly 

 to an obtuse point and gradually into the petiole, appearing tri- 

 nerved from the union of two to three alternate nerves on each side 

 of and parallel with the midrib, glabrous and shining on both sur- 

 faces, deep green above, paler beneath ; lamina 2 - 7-4'5 cm. long, 

 4-5-5'5 mm. wide ; petiole 3'4-4'4 cm. long, plano-convex, dilated 



