182 ON THE ARTIFICIAL ARRANGEMENT 



-p (Flowers in loose racemes Melilotus. 



\ Flowers in heads or dense spikes G. 



p ( Stipules ovate, leafy, pod apterous Lotus. 



( Stipules pointed, often awned H. 



•n- (Legumes falcate or spiral Medicago. 



( Legumes straight I* 



-r (Legumes few-seeded Trifolium. 



{Legumes many-seeded Trigonella. 



■tr ( Leaves pinnate with an odd leaflet L. 



(Leaves abruptly pinnate or terminating in a seta....Orobus. 



•r (Legumes 2-celled M. 



( Legumes many-celled N. 



•»*■ (Carina obtuse Astragalus. 



' (Carina ending in an exserted point Qpytropis. 



*t (Flowers yellow Hippocrepis. 



' ( Flowers red, white, or rose-coloured 0. 



q ( Stem prostrate, pod with several joints and seeds.... Ornithopus. 

 (Stem erect, pod with 1 joint and 1 seed Onobrychis. 



VMBELLIFEBM. 



{APIACEM, Lindl.) 



The sub -divisions of this arrangement of the umbelliferous 

 genera are those originally formed by DeCandolle, and which 

 are also adopted in Lindley's ' Synopsis ; ' but the characters 

 on which the "tribes" of the latter author are founded, name- 

 ly, the primary and secondary ridges of the fruit, have not 

 been employed, as from their minuteness in many cases, it 

 frequently becomes difficult to determine the relative situa- 

 tions which they occupy. 



The plants of this very natural assemblage are comprehend- 

 ed in the Linnaean group Pentandria Digynia. 



Sub-divisions. 



Fruit with the face flat f 



Fruit with the face rolled inwards at the edges, forming a longi- 

 tudinal furrow f f 



Fruit with the face curved inwards from base to apex f f f 



, ( Umbels simple, fascicled, or capitate, terminal .. JK 

 * (Umbels compound, terminal or lateral IS 



a* 



» (Fruit smooth ; laterally compressed Hydrocotyle. 



( Fruit rough with scales or prickles ; roundish B. 



g J Flowers in dense heads upon a scaly receptacle Eryngium. 



* (Flowers in close umbels; fruit with hooked prickles Sanicula. 



