412 



899. SCLEROCHLOA. 



Spicules linear or somewhat cuneate, compress- 

 ed. Glumes l-nerved. Axis asper. Culm 

 geniculate, branched, a. 5. Sandy sliores. 

 Lig. Terracina. Sic. 



900. BRIZA. 



1. ma'xiina. Spicules oblongo-cordate, 9- 

 l?-flo\vered, drooping, a. 5. Dry hills, s. 

 Em'ope. 



2. media. Pan. erect. Spicules at last 

 cordate, 5-9-flowered. Cal. smaller than floret. 

 Ligule blunt, short, p. 6. Dry grass. Not 



in Sic. 



3. virens. " Spicules ovate, 7-flowered. 

 Cal. as long as floret, a. s. Eur."— Kunth. 

 Not in the national floras . 



4. minor. Pan. erect, much branched, 

 difluse. Spicules triangular, 7-flowered, shorter 

 than calyx. Ligule lanceolate, very long. a. 

 6. Cult. E. rare. Er. Vevay. It. 



901. CYNOSURUS. 



1. cristatus. Pan. linear, spike-like. Spi- 

 cules mucronate. Neutral Fits, lanceolate, un- 

 armed, p. 6, 7. Dry grass. 



2. ecliinatus. Pan. ovoid, compressed, 

 dense. Spicules with long awns. Neutral 

 Fits, lanceolate, each with a long seta. a. 7, 8. 

 Warm uncult. Fr. s. Sw. It. 



j3. giganteus. Ten. Spicules 3-flowered. 



3. elegans. Pan. ovoid, somewhat diifuse. 

 Outer Glume awned. Neutral Fits, setiform, 

 on an ovate base. a. 4-6. Shady hills. Cors. 

 s. It. Sic. 



4. aureus. Glumes remote from lower 

 floret. Pale of neutral Fits, ovato-subrotund ! 

 a. 3, 4. Rocks and walls. Coasts of Mdt. 

 rare. 



902. DACTYLIS. 



1. glomerata. Branches distant, naked 

 at base. Spicrdes crowded, 3-6-flowered. L. 

 keeled, p. 6-8. Meadows, ^c. 



j8. hispanica, Roth. Pan. almost crowded 

 into a single head. Spicules 3-flowered. 

 7. glaucescens, Willd. Glaucous. Florets 

 sometimes as many as eight. 



903. FESTUCA. 



A. Glumes very unequal. Outer Pale finely 

 tapering into a seta. 



i. Outer Glume very minute ; inner seti- 



gerous. Sp. 1-4. 

 ii. Outer Glume about half as long as 



inner. 



a. Inner setigerous. Sp. 5. 



b. Inner not setigerous. 



* Equalling or exceeding Pale. Sp. 6 

 -9. 



** Shorter than Pale. Sp. 10-12. 



B. Glumes not very unequal. Outer Pale 

 acute, or with a seta shorter than itself. 

 i. Ligule with rounded auricles. Sp. 13 



-18. 

 ii. Ligule without rounded auricles. 



a. L. setaceous. Sp. 19-21. 



b. L. flat. 



* Awn short or wanting, 

 t Ligule oblong. 



^ Seeds hairy at top. Sp. 22 



-27. 

 W Seeds without hairs. Sp. 28 



-30. 



ft Ligule very short. Sp. 31-33. 

 ** Awn twice as long as Pale. Sp. 34. 



A. Glumes very unequal. Floret tapering into 

 a seta longer than itself. Monandrous ? 



i. Outer Glume very small. 



1. uniglumis. Pan. erect, spike-like, 

 nearly simple. Stalks cuneate. Outer Glume 

 scariose ; inner as long as floret, setigerous. 

 Pale asper towards the tip, hairless. Culm 

 when in flower almost inclosed in the sheath. 

 a. 5, 6. Sandy, m. and s. Eur. oce. 



2. Alopecurus. Pan. erect, somewhat 

 spike-like. Stalks enlarged upwards. Outer 

 Glume membranous ; inner as long as floret, 

 setigerous, membranous. Pale smooth, copi- 

 ously ciliate. a. 5, 6. Sandy shores. Tusc. 

 Rome. Nap. Sic. 



3. ciliata. Pan. long, branched at base, 

 spike-Uke. Stalks of Spicules thickened up- 

 wards. Glumes scariose, not setigerous ; in- 

 ner much shorter than floret. Pale ciliate, 

 asper, or hairy, a. 5, 6. Warm sandy. Bord. 

 mdt. Fr. Istria. It. 



4. lig'ustica. Pan. much branched, spread- 

 ing when in flower. Stalks enlarged upwards, 

 appearing as if surrounded by an inflated mem- 

 brane. Outer Glume scariose ; inner setige- 

 rous, equalling floret. Pale hairless, a. 5. 

 Walls : uncult. s. Fr. It. 



