410 



896. POA. 



cules ovato-oblong. Fits. 3-5, sometimes con- 

 nected by a web, otberwise hairless. Outer 

 Pale witb 5 prominent nerves. Sheaths com- 

 pressed. L. boat-lilce at the end. Shoots 

 much compressed, p. 6-8. High shade. Fr. 

 G. Switzerland. 



12. hybrida. " Pan. diffuse : branches 

 rough. Spicules ovato-oblong, 3-5-tlowered. 

 Outer Pale somewhat woolly at base, with 5, 

 prominent, hairless nerves. L. gradually and 

 finely acute, on a lineai- base. Sheath 2-edged. 

 Ligule short. Sterile bu.ndles of L. distich, 

 much compressed, p. 6, 7. Moist woods. 

 Jm-a. Salzburg. Tyr. Sty." — Koch. 



13. trivialis. Pan. diffuse : branches 

 rough. Spicules ovate. Fits, about 3, connect- 

 ed by a web. Outer Pale with 5 prominent 

 nerves. Marginal Nerves nearly hairless. Culm 

 and Sheaths rough. L. finely acute. Upper 

 Ligule oblong, acute. Koot fibrous, p. 6-8. 

 Grass and waysides. 



14. fertilis. Pan. diffuse : branches rough. 

 Spicules ovato-lanceolate, 2-5-flowered, ob- 

 scurely nerved. Outer Pale marked at the base, 

 back, and margin with silky Hues. Ligules ob- 

 long, acute. Root fibrous, p. 6, 7- Moist. 

 m. Europe. 



15. concinna. Panicle ovoid. Spicules 

 ovate, acute, about 10-flowered. Pale silky on 

 back. Nerves obsolete. Fits, not connected 

 by a web. Culm bulbous at base. Upper Li- 

 gule oblong. Root fibrous, p. 4, 5. Sion 

 and Branson in the VaUais. — Gaud. 



16. Bivonse. "Pan. diffuse: branches 

 smooth. Spicules smooth, obtuse, 5 -7 -flow- 

 ered. Glumes acute. Outer Pale obtuse, 3- 

 nerved -. keel subdenticulate. Culms somewhat 

 tufted. Ligule oblong. Root fibrous, p. 

 Moist sandy. JStna." — Pael. 



b. Branches of Panicle single or in pahs. 

 * Florets connected by a web. 



17. bulbosa. Panicle oval, spreading: 

 branches rough. Spicules ovate, 4-7-flowered. 

 Nei-ves of outer Pale veiy short. Culm bul- 

 bous at base. L. finely serrulato-asper. Upper 

 Ligule oblong. Root fibrous, p. 5. Sandy. 

 The spicules frequently become viviparous. 



18. minor. Pan. contracted, subracemose, 

 nodding : branches capillary, nearly smooth. 

 Spicules ovato-oblong, 4-6 -flowered. Outer 

 Pale silky, ciliate. Nerves obsolete. Margin 

 of L. serrulato-asper. Lower Ligule short ; 



upper oblong, acute. Culm not bulbous at 

 base. Root fibrous, p. 7, 8. Very high. 

 Sw. very rare. Salzb. Carin. 



19. laxa. Pan. contracted, subracemose, 

 nodding : branches capillary, smooth. Spi- 

 cules ovate, about 8 -flowered. Outer Pale 8- 

 nerved, silky at base, and the dorsal and mar- 

 ginal nerves hairy. Margin of L. smooth. 

 Ligule oblong, subacute. Root fibrous. Web 

 sometimes wanting, p. 7, 8. High. Alps. 

 Pyr. Harz. Sc. 



** Florets not connected by a web. 



20. annua. Pan. spreading, smooth, at 

 length deflexed. Spicules ovato-oblong, 3-7- 

 flowered. Outer Pale 5 -nerved, obtuse, hairy 

 at base. Culm slightly compressed. Ligules 

 obtuse ; the lower very short, a. All the year. 

 Uncult. 



21. csesia. Branches erect, slender. Spi- 

 cules ovate. Fits. 2-5. Marginal nerves of 

 outer Pale hairy. Uppermost Knot almost at 

 base of stem. Upper Sheath not longer than 

 its L. Ligule| short, obtuse, p. 7. Moun- 

 tains. Wales. Sc. — Bab. Alps. 



22. alpina. Pan. oblong : branches ca- 

 pillai-y. Spicules broadly ovate, 4-10-flow- 

 ered. Outer Pale 3 -nerved, silky at base. 

 Lower Ligules short ; upper oblong, p. 6, 7. 

 High pastures. 



28. pumila. Pan. erect : branches and 

 branchlets rough, spreading nearly at right 

 angles. Spicules ovate, 4-6-flowered. Fits, 

 densely pubescent. All Ligules oblong, acute. 

 Root fibrous, tufted, p. 5, 6. Mountain pas- 

 tures. Carn. 



24. rariflora. Pan. few-flowered, diffuse : 

 branches rough. Spicules eUiptico-oblong. 

 Fits. 3-5, villous at base. Outer Pale 5-nerved. 

 Culms cespitose, branched, creeping at base, 

 smooth. Sheaths much shorter than joints. 

 L. rough on the margin. Ligules short, 

 rounded, p. Fr. — Kunth. 



C. Panicle trichotomous. Glumes nerveless, 



scariose, united! 



25. divaricata. Pan. capillary : ultimate 

 branches clubbed. L. filiform, a. 4, 5. Clayey 

 shores. Sic. Sandy, mdt. Fr. Ought, per- 

 haps, to form a distinct genus. 



879. ERAGROSTIS. 



1. uiegastachya. Panicle spreading: 

 branches solitary or in pairs ; lower hairy at 



