UMBELLIFER/E 



31 



Stem herbaceous, erect, terete, glabrous, pale green ; 1st inter- 

 node undeveloped, 2nd 4 mm. long ; 3rd 2-5 mm. 



Leaves compound, radical and cauline, alternate, exstipulate, 

 petiolate, glabrous, alternately penninerved with flexuose, much 

 branched anastomosing nerves, shining on both surfaces, bright 

 grass-green above, lighter green beneath ; petioles semiterete, deeply 

 channelled above, tapering slightly upwards, dilated at the base and 

 forming a long clasping sheath with broad hyaline edges, articulated 

 with the lamina. 



No. 1. Rotund, 

 subtrifid and irregu- 

 larly dentate-serrate, 

 three- or five-nerved 

 towards the base. 



No. 2. Oval, obtuse, 

 subcordate at the base, 

 rather finely and 

 acutely serrate. 



No. 3. Oblong, sub- 

 acute or acute, finely 

 and acutely serrate. 



No. 4. Similar, or 

 in strong plants pin- 

 nately trifoliolate ; 

 lateral leaflets lan- 



FIG. 409. Ammi glaiicifulium. Half nat. size. 



ceolate, acute, sharply 



serrate, unequal at the 



base, sessile but articulated with the petiole ; terminal one much 



larger, lanceolate-ovate, acute, finely and acutely serrate. 



Carum Carvi, L. (fig. 410). 



Cremocarp ovate or oblong, obtuse, tipped by the small per- 

 sistent calyx-teeth, and the stylopodium, glabrous, laterally com- 

 pressed, attached to a shortly bifid carpophore and falling away in 

 two pieces (mericarps) when mature ; mericarp oblong, slightly curved 

 longitudinally, five-angled and five-sided with the commissural face 

 slightly the broadest, the primary ridges filiform and rather pro- 

 minent and a comparatively large vitta between each ridge with two 

 on the flattened commissural face, one on each side of a slender 

 median ridge, one-celled, one-seeded, indehiscent. 



Seed five-angled, flat on the commissural or ventral face, or 

 showing a scarcely prominent median ridge, shallowly sulcate 

 between the other ridges, filling and closely conforming to the 



