128 OP THE STALK. 



Articulatus, jointed, as in Agrostis alba. 



t. 11S9, Aira cauescens, t. 1190, Avena 



strigosa, t* 1266, and most other 



grasses ; 



Genicidatits, bent like the knee, asAlope- 



curus geiiiculatus, t. 1250. 

 It is either solid or hollow, round or trian- 

 gular, rough or smooth, sometimes hairy or 

 downy, scarcely woolly. I know of no in- 

 stance of such a scaly culm as Linnaeus has 

 figured in his Philosophia Botanica, t. 4, 

 f. Ill, nor can I conceive what he had in 

 view. 



3. Scapus. A Stalk, springs from the Root, 

 and bears the flowers and fruit, but not 

 the leaves. Primula vulgaris, the Prim- 

 rose, Engl. Bot. t. 4, and P. veris, the 

 Cowslip, t. 5, are examples of it. In 

 the former the stalk is simple and single- 

 flowered ; in the latter subdivided and 

 many-flowered. It is either naked, as in 

 Narcissus, EngL Bot. t. 17, or scaly, as 

 in Tussilago Farfara, t. 429. In others 

 of this last genus, t. 430 and 431, the 



