Pl.end.ph. 10. GRAMINE^. 78. Anthroxan. 135 



XXXVII. 78. ANTHOXANTHUM. Lin. Spri?ig-grass. 



Glume 3-flowered ; spathelles unequal, membranous, 

 longer than the glumelles: side flowrets neuter, 1-spa- 

 thelluled, awned; one flowret with a twisted, plaited awn 

 below the middle ; the other with a straight awn near the 

 tip : MIDDLE ELOWRET hermaphrodite, three times shorter 

 than the side flowrets ; spathellides membranous, rather 

 blunt, awnless ; style simple at bottom ; stigmata very long, 

 featherlike; cariopsis free, furrowed. — Spike branched. 



Anthoxanthuni: odoratum. Sweet spring-grass. 



Spike ovate, oblong; fertile flowret rather pedicelled, 

 longer than the awn ; spathellule of the barren flowret ci- 

 liated. 



Gramen vernuin spica brevi laxa, Raii Syn. 398, 1. 

 AuCiio3:autluiin odoratuin, Lin. S, P. 40. 



Fields and pastures ; perennial ; May. 



Root fibrous; culm 2 feet high, upright, smooth, bald, 

 naked above; leaves lanceolate, acute, shorter than the 

 sheath, ciliated; tipper leaves very short; sheaths smooth, 

 villous above; upper very long; ligiilce nicked; spike in- 

 terrupted, greenish becoming yellow, woolly ; peduncles 

 semiverticillate, fewflowered; locusice very smooth, erect; 

 plant while drying smells like woodroof. 



/3. pubescens. Locustce pubescent. 



y. effusum. Spike slightly branched ; leaves pubescent. 



^. alpinum. Spike branched ; awn longer than the flow- 

 ret, leaves smooth. Perhaps a distinct species. 



XXXVIII. 79. HOLCUS. Linnseus. Softgrass, 



Ghimes 2-flowered; spathelles alternate, nearly equal, 

 membranous, longer than the flowrets, rmxcronaie; flowrets 

 dissimilar, both hermaphrodite ; Imver flowret longer ; 

 spalhellules not notched, awned on the back ; awn bent or 

 plaited ; lower spathellule of the upper flowret mostly awn- 

 less ; lodicide lanceolate, not notched, bald ; style 2-parted ; 

 cariopsis free, not furrowed. — Panicle contracted, cylindrical. 



1. Holcus lanatus. IVoolly softgrass. 



Awn of the upper flowret bowed, bent back ; spathelles 

 unequal, villous ; root fibrous ; leaves villous, soft. 



