TRIANDRIA— DIGYNIA. Panlcum. 99 



long, erect, somewhat lobed ; the branches short, about 4 in a 

 whorl, each of several flov/ers, every pair of which is accompa- 

 nied by about 2 channelled, angular bristles, longer than the 

 whole branch, and rough with minute teeth directed downwards. 

 Fi. generally in pairs, "oval, each inserted into a little terminal 

 disk, or cup, close to the bristles. Cal. pale with green rib^, 

 smooth and even. Cor. almost as large as the calyx; both valves 

 very minutely wrinkled, or dotted, at leasr in the perfect floret, 

 and constituting a rigid shining coat to the seed, inclosed in the 

 permanent, but loose and unaltered, larger valve of the calyx. 



2. P. viride. Green Panick-grass. 



Panicle spiked, cylindrical, continuous, with numerous pro- 

 minent bristles^ rough with erect teeth. Corolla of die 

 perfect floret slighdy uneven. 



P viride. Linn.Sp.PL^^. M'ilUL v. ]. 335. Fl. Br. 05. Eugl. 

 Bot. V. 13. t. 875. Curt. Lond.fasc. 4. ^.5. Knapp 1. 10. Graves 

 Br. Gr. t.U. Schrad. Germ. v. 1. 240. Leers \3. t.2. f.2. 

 Host Gram. v. 2. 12. t. 14. Ehrh. Calam. 1 13. 



P. Crusgalli. Fl. Dau. t.852. 



Gramen paniceum, spica simplici Isevi. Rail Stjn. 393. 



G. panici efifigie, spica simplici. Gcr. Em. \7 . f. 



In sandy fields, but not common. 



In Battersea fields, Curtis, Soiverhy. On the west side of Norwich, 

 with the preceding. 



Annual. July, August. 



Smnller than the foregoing, but often so like it, that few persons 

 can distinguish them. The spike however is neither lobed, nor 

 whorled. Bristles more numerous, though often, as Ray found 

 them, not so prominent. The most essential distinction, pointed 

 out by Mr. Curtis, consists in the minute teeth of these bnsdes 

 being directed forward or upward, not downward ; and we can 

 hardly conceive this character to be variable. The neutcr/o/e^ 

 is mo're frequently wanting in this species. The minute rough- 

 ness of the corolla is like the last. Sometimes the spike, though 

 usually green, has a purple tinge. 



3. P. Crus-galli. Loose Panick-grass. 



Panicle erect, branched, bristly. Flowers awned, unila- 

 teral. Leaves lanceolate, harsh, naked, without stipulas. 



P. Crus-galli. Linn. Sp. PL 83. JVilld. v. 1. 337. //• Br. 65. 

 En^l Bot. V. 13. t. 870. Curt. Lond.fasc. 4. t. 8. ^"W- 1 ' • 

 Gi^avcs Br. Gr. t. 1 2. Schrad. Germ. v. 1 . 243. Leers 13. f. 2./. 3. 

 Ehrh. Calam. 104. 



P. n. l.>44. Hall. Hist. V. 2. 2:>0. 



