GRAMINA. 



399 



somewliat panicled. Glumes acute, villous, 

 faUing short of awn (which projects more than 

 half its length beyond the pale, Bab.), p. 5. 

 Meadows. Bare in ^w. Wanting s. of Apenn. 



4. nigricans. " Culm erect, smooth. 

 Pan. cylindrical, obtuse. Glumes acute, villoso- 

 ciliate. Plant with long creeping runners, p. 

 5, 6. Meadows. Hamb." — Koch. 



5. geniculatus. Culm ascending, geni- 

 culate. Spike cylindrical. Glumes obtuse, 

 ciliate (ratlier longer than pale. Awn from near 

 base of pale, and projecting haK its length be- 

 yond it, Bab.). Anthers linear, p. 6, 7- Wet. 



6. fulvus. Culm ascending, geniculate. 

 Spike cylindrical. Glumes obtuse, ciliate (shorter 

 than pale. Awn from below middle of pale, 

 and hardly extending beyond it, Bab.). An- 

 thers roundish, p. 7- Ditches and wet mea- 

 dows. Eng. Pr. G. Sw. 



B. Glumes distinct. 



7. bulbosus. Culm erect. Spike simple. 



taper. Glumes 

 bulbous, p. 6. 



villous, linear, acute. 

 Marshes near the sea. 



Root 



8. utriculatus. Culm ascending. Spite 

 racemose, ovoid. Glumes with keel, dilated 

 above the middle. Upper Sheath inflated, a. 

 4, 5. Clayey meadoivs. s. e. Fr. It. 



9. Gerardi. Spike subglobose. Glumes 

 lanceolate, acuminate, villous, unequal. Awn 

 hardly exceeding pale. Roots clustered, swell- 

 ing. A small inner pale is sometimes obser- 

 vable, p. 6. Very high. e. Alps. Pyr. Not 

 in Sw. 



859. CRYPSIS. 



1. alopecuroides. Culm simple, terete. 

 Spike cylindrico-oblong, naked. Glumes cili- 

 ate, acute, a. 9, 10. Clayey meadows. Pr. 

 Aust. Bav. 



2. nigricans. Culms slender, simple, dif- 

 fuse. Spike elliptico-oblong, naked. Glumes 

 smooth, subobtuse, ciliato -scabrous on the 

 keel. a. 10, 11. Uoadsides overflowed in 

 winter. Sic. 



3. schcenoides. Culms branched, com- 

 pressed. Spike ovoideo-oblong, sheathed at 

 base. a. 8, 9. Marshy, s. Pr. s. G. It. 



4. aculeata. Upper Pale 1 -nerved ! Sta- 

 mens 2 ! Culm branched, compressed. Heads 

 hemispherical, involucrate. a. 8, 9. Marshy 

 coasts of Mdt. 



860. GASTRTDIUM. 



1. lendigerum. Pan. spike-like. Glumes 

 acuminate, shining. Awn of Pale long. a. 

 6-8. Cult. occ. 



2. muticum. Pan. spike-like. Glumes 

 oblong, acute, rough. Awn very short or 

 wanting, p. 6-8 



-8. Cult. occ. s. Pr. Sic. 



Tribe VI. AGROSTIBE^. 



861. POLYPOGON. 



1. xnonspeliensis. Divisions of Glumes 

 short, rather obtuse. Awn straight, three 

 times as long as glume. Outer Pale somewhat 

 4-toothed. Pan. rather spike-like. Root fi- 

 brous, a. 6, 7- Moist uncult. salt. 

 rare. Mdt. 



Eng. 



2. maritinxus. Divisions of Glume acute. 

 Avni four times as long as glume. Outer Pale 

 4-toothed, awnless! Pan. lobed, contracted. 

 Root creeping, a. 5, 6. Clay. Coasts of Mdt. 



^. suhspathaceus. Pan. sheathed at base. 



3. littoralis. Glume lineari-lanceolate, as 

 long as awn. Pale awned beneath the point. 

 Pan. loose. Root creeping, p. 8. Muddy 

 shores. Very rare. Eng. Isl. of Norderney. 

 Montpellier. 



862. MILIUM. 



1 . efFusum. 



widely spreading. 



Pan. diffuse : the 

 Awn 0. p. 6, 7. 



branches 

 Woods. 



2. vemale. Pan. somewhat compressed : 

 branches erect. PL scattered, awnless. Glumes 

 obtuse, exceeding the smooth and polished 

 pale. L. Hneai-j short, flat. a. 4. Tix)ad- 

 sides. Cors. Cal. Nebrodes. 



863. AGROSTIS. 



A. Panicle spike-liJce. 



1. nitens. Glumes shining, lanceolate, 

 acute, serrato-scabrous on the keel. Pales 

 villous ; outer with awn at base, and ending in 

 two long setas. L. distichous. Culm as- 

 cending. Habit of Gastridium. a. 4, 5. 

 Sandy shores. Trapani. Santa Croce in Sic. 



B. Panicle not spihe-lihe. No Rudiment of 



second floret. 



i. Pales equal. 



2. verticillata. Pan. compact. Glumes 



