400 



863. AGROSTIS. 



obtuse, pubescent. Keel ciliolate. Awn 0. 

 Root fibrous. Culms tufted, ascending, p. 

 7-9. Wet. Italy.— Beet. 



ii. Inner Pale about half as long as outer. 



3. alba. Pan. contracted when in fruit : 

 branches rough. Glumes lanceolate: keel 

 rough. Awn usually 0. Culm spreading, 

 creeping. L. linear. Ligule oblong, nerved. 

 p. 7, 8. Wet. 



p. stolonifera. With long prostrate run- 

 ners. 



y. glauceseetis. L. short, rigid, glauces- 

 cent. 



S. frondosa. Outer Pale truncate, with 5 

 nerves : 4 of them prolonged into as 

 many setas. I follow Bertoloni with 

 doubt in uniting this to A. alba. 



e. maritima. Glumes smooth. Branches 

 of Pan. short. 



f. straminea. An Awn from above middle 

 of outer pale. 



4. vulgaris. Pan. ovato-oblong : branches 

 diverging, roughish. Glumes equal. Culm 

 erect. Lig. short, truncate, p. 7, 8. Woods 

 and pastures. 



iii. Inner Pale very small, or wanting. 



5. canina. Pan. diffuse, ovate : branches 

 rough, diverging. Glumes ovato-lauceolate, 

 acute. Awn from below middle of pale, bent. 

 Root-L. setaceous. Root creeping. Culm de- 

 cumbent, p. 6-8. Peaty. Inner Pale 

 often wanting. Hooker and Gaudin prof ess 

 never to have met with it. 



6. pusilla. " Glumes rough on keel. Awn 

 from below middle of pale, geniculate, white. 

 Root-L. setaceous. Lig. of lower L. obtuse ; 

 of upper multifid. Root creeping. Belgium." 



KUNTH. 



7. glaucina. Pan. contracted. Stalks 

 rough. Glumes acuminate, rather longer than 

 2-pointed pale. Awn from base of pale, bent, 

 somewhat exceeding glume. Root creeping. 

 p. 6. Heaths. Anjou. 



8. setacea. Pan. compact, oblong. Glumes 

 lanceolate, acuminate. Stalks rough. Awn 

 from base of pale, bent. Inner Pale very 

 minute. Root-L. setaceous. Root tufted. 

 p. 6. Dry heaths, w. Eng. w. Fr. 



9. alpina. Pan. ovate : branches spread- 

 ing, hispid. Glumes lanceolate, acuminate. 

 Awn from base of truncate pale. Root-L. 

 setaceous. Root tufted. p. 7, 8. Very 

 high pastures. Fr. Sw. Bav. Sty. 



10. rupestris. Pan. oblong : branches 

 spreading, smooth. Glumes lanceolate, acute. 

 Awn from below middle of pale. Root-L. se- 

 taceous. Root tufted, p. 7, 8. Stony moun- 

 tains. Pr. Sw. Bav. Boh. Sil. 



11. pulchella. " Pan. effuse : branches 

 capillary, divaricate, one-flowered. Spicule 

 ovate. Glumes obtuse. Awn 0. L. convolute, 

 filiform, a. 6. Bosco di CasteUo Buono, 

 Sic." — Guss. 



12. elegans. Pan. lax, capillary. Stalks 

 smooth, very fine. Glumes smooth, subacute. 

 Awn 0. Pale 1, obtuse. L. involuto-subulate. 

 Culm erect, very fine and small in all its 

 parts, a. 5. Sand. Dax. Toulon. 



13. pallida. Pan. much branched. Glumes 

 acuminate ; the outer rough on keel. Pale 1 , 

 obtuse, with 2 minute points. Dorsal Awn 

 straight, twice as long as glume, a. 5. Sandy 

 inundations. Frejus. Cors. Sic. Viterbo. Re- 

 sembles A. intermpta. — Bert. 



C. Spicules vnth rudiment of second 

 floret. 



14. Spica-Venti. Pan. diffuse, many- 

 flowered. Awn veiy long, somewhat flexuose, 

 from beueath tip of outer pale. Anthers li- 

 neari-oblong. a. 6, 7- Cult. Not in s. 

 Italy. 



15. interrupta. Pan. contracted : lower 

 branches remote. Awn very long, somewhat 

 flexuose, from beneath tip of outer pale. An- 

 thers roundish, a. 6, 7- Cult. Fr. G. Vail, 

 n. Italy. 



I)o7ibtful. 



16. comosa. " Pan. veiy large, nodding. 

 Fl. awned. L. rather rough, reed-Uke. It. 

 =^Piptatherum multiflonmi .''"— Ktjnth. Not 

 in Italian floras. 



864. VILFA. 



1. pungens. Glumes unequal. Pan. con- 

 tracted.' Florets awnless. L. involute, rigid, 

 pungent ; the U2)per obliquely opposite. Culm 

 branched, p. 7, 8. Sandy shores. Nice. 

 Sicily. 



865. COLEANTHUS. 



1. subtilis. Cuhn filiform, prostrate, 

 flexuose. Sheaths ventricose. Pan. divari- 

 cate, a. 7-9. Borders of pools. Boh. 



