OF THE INFLORESCENCE. 233 



A compound spike is seen in Lavandula 

 pinnata, Curt. Mag. t. 401, and L. ab- 

 rotanoides of Willdenow. 



Spica secunda, a spike whose flowers 

 lean all to one side, oecurs in Nardus 

 stricta, Engl. Bot. t. 290. 



Spicula, a Spikelet, is applied exclusively 

 to grasses that have many florets in one 

 calyx, such florets, ranged on a little stalk, 

 , constituting the spikelet, which is there- 

 fore a part of the flower itself, and not 

 of the inflorescence; see Poa aquatica, 

 f-18-15, fluitans, t. 1520, Briza minor, 

 1. 1316, &c. 



Corymb us, a Corymb, is a spike whose 

 partial flower-stalks are gradually longer 

 as they stand lower on the common stalk, 

 so that all the flowers are nearly on a level, 

 of which Spiraa opulifolia, a common 

 shrub in gardens, is an excellent speci- 

 men. The Linnaean class Tetr adynamia 

 exemplifies this less perfectly, as Car- 

 da mine prat en sis, Engl, Bot. t. 776, 

 Cheiranthus sinuatus, t. 46*2, and the com- 

 mon Cabbage, Brasska oleracea, t. b37, 



