LXVIII. UMBELLIFER^ (hiERn). 3 



Wings of the fruit separated at the apex by a deep 



narrow sinus 18. Lefeburia. 



Margins of the fruit thickened 19. Malabaila, 



Umbels regularly compound. Vittse within the prominent secon- 

 dary ridges. (Diplozygi^.) 

 Fruit glabrous or papilloso-hispidulous. 



Fruit subglobose. Involucre (cultivated) Coriandrum. 



Fruit narrowly oblong. Involucre of a few bracts (cultivated). Cuminum. 



Fruit setose. 



Seeds not deeply sulcate in front 20. Daucus. 



Seeds deeply sulcate in front 21. Caucalis. 



Of the genera represented only by cultivated species we have the following: 



Coriandrum sativum, L., DC. Prod. iv. 250. (Coriander.) An erect glabrous annual 

 pr biennial, with finely divided leaves, globose 10-ribbed fruit, white unequal petals, no 

 involucre, and few-leaved involucels. Nubia, Sennaar, and Abyssinia. 



Cuminum Cyminum,L., DC. Prod, i v. 201. (Cumin.) An erect glabrous annual, 

 with finely divided leaves, laterally contracted hairy fruit, white or reddish flowers, and' 

 2-4-leaved involucre and involucels. Sennaar? 



Fceniculum. capillaceum, Gilib. Fl. Lithuan. (1782) ; F. officinale, Allioni, Fl. Piede- 

 mont. ii. 25 (1785) ; F. vulgare, Gartn. Carp. i. 105, t. 23, f 5 (1788), DC. Prod, 

 iv. 142 (1830.) Fennel. An erea, tall, glabrous biennial, with very finely divided 

 leaves, and neither involucre nor involucels. Abyssinia, in gardens, Schweinfurth. 



1. HYDBOCOTYLE, Linn. ; Benth. et Hook. f. Gen. Plant, i. 872. 



Calyx with obsolete lobes. Petals entire, somewhat concave, and 

 often inflexed at the apex, valvular or imbricated in bud. Disk flat j styles 

 filiform from the base. Fruit laterally compressed, marked with acute or 

 slight primary ridges, and without or rarely with weak secondary ridges, 

 often subdidymous and cordate or emarginate at the base, without vitt» ; 

 lateral ridges often concealed in the narrow commissure ; carpophore 0, 

 commissure narrow. Seeds laterally compressed. — Annual or peren- 

 nial herbs, usually prostrate and creeping-, rarely erect, g-rowing in moist 

 places. Leaves flat, orbicular, or subreniform, usually with crenate 

 lobes, peltate or cordate, membranous, stalked, palmately veined, stipu- 

 late. Flowers in umbels, sing-le or irregularly compound, often in 

 globose capitula, with involucre, often monoecious, usually white. 



Occurs in various parts of the world, especially in the temperate regions of the 

 Northern hemisphere. 

 Petals valvular in bud. Fruit without secondary ridges. (Euhy- 



DROCOTYLE ) 



Leaves orbicular, peltately attached by the centre I. H. Bonariensis. 



Leaves rounded or reniform-cordate, with a deep sinus reaching 

 to the attachment of the petiole. 



Fruits in nearly sessile heads 2. H. americana. 



Fruits in distinctly ped uncled heads. 

 Heads many-flowered. 



Glabrous, erect 3. H. javanica. 



Piloso-hispid, creeping 4. J^. moschata. 



Heads few-flowered. 



Slender 5. H. nitidula. 



Robust 6. H. natans. 



Petals imbricate in bud. Fruit with faint secondary ridges. (Cen- 



TELX*A.) 1. H. asiatica. 



