340 HEXANDRIA. MONOGYNIA 





west coast of Wales. [Coast of Norfolk, Mr* Crowe. Mr, 

 Woodw. and Lancashire. Mr. Wood.] P. July, Aug, 





(2) Straws leafy. 



articula'tus. J. Leaves with knot-like joints : flowers panicled : petals 



blunt. 



Var. 1. aquattcus. Linn. Leaves compressed; panicle simply 



branched : straw trailing. 



i 



/• 



hand straws-C. B. pr. 12.1, th. 76. 2~Pari. 1270. 5- 



7 



J- 



Species 



Var. 2. sylvatlcus. Linn. Leaves cylindrical : panicle 



branches subdivided : straw upright. 



species 



■/• 



f 



Var. 3. Leaves like bristles ; capsules much smaller. Ray. 



U. ox. viii. 9j row. 2. 3. 



J. uligtnosus. Fl. ox. Sibth. Roth. fl. Germ. 



In all the above the leaves are not so properly jointed as se- 

 parated transversely by partitions, which become visible when 

 pressed by the fingers or held against the light. Linn. 



Jointed Rush. 1 and 2 grow in meadows, wet woods and 



pastures ; 3 on wet and poor sandy or gravelly commons. 



P. June— Aug. 



Var. 4. All these varieties are liable to the attacks of insects, 

 and in consequence to assume a peculiar appearance, producing 

 bundles of slender leaves instead of, or intermixed with, th e 

 flowers. In this state they are represented in 



C. B. pr. 12. 2. and th. 77-H. ox, viii. 9« 2./. 9- 



The insects found upon these plants have been the Chermes 

 graminis, by Mr. James Hoy, the Acarus gymnopteroruflt by 

 Dr. Stokes, and some of the Coccus tribe by Mr. Lightfoot. 

 The diseased plants are very common in the bogs on Bintting" 

 ham Heath, and also in those of the New Forest, where the sou 

 is a gravel. 



5. Husks white. Not common. Mr. Woodward. 



uligmo'sus. J # Straws trailing, proliferous from the heads of flowers : 



leaves like bristles, somewhat knotted, 

















