Unibellifei'ae 7 7 



Fruit slightly rough, over 2 cm. long. Ridges vers- 

 acute. Carpophore split to middle. Myrrhis. 



Fruit rather rough, 5 mm. long. Ridges vanishing 

 upwards. Carpophore undivided or shortly bifid. 



Chaerophyllum. 

 Fruit smooth, under i cm. long. Beak short, ribbed. 



Anthriscus. 



Subtribe 2. Ca?tcalmae. Fruit ovoid, secondary ridges 

 spinous. 



Only British genus : Caucalis (including Torilis). 



*Tribe 4. Coriandreae. Crystal-glands absent around 

 caifopJiore. Fruit with woody layers beneath the 

 epidermis. Mericarps coherent. 



*Coriandrum. 



Tribe 5. Smyrnieae. No crystal-glands. Fruit 

 ovoid. Commissure narrow. Mericarps separating. 



One vitta in each furrow; ridges entire, slender. 



Physospermum. 



Several vittae in each furrow. Stylopodium flattened. 

 Ridges crenate. Conium. 



Several vittae in each furrow. Stylopodium conical. 

 Ridges obscure. Smyrnium. 



/3. Seed flat ventrally. RapJie often projecting 

 towards carpophore. 



Tribe 6. Ammi?ieae. Dorsal and comniissuj-al primary 

 ridges all alike. Seed semicircular in section. 



Subtribe i. Cariftae. Ridges not prominent. Co}}i- 

 missure narrow. 



I. Petals entire, with acute or inflexed tips. \'ittae 

 1-3 in each furrow. 



