GKAMIMCE. 446 



radiciil ones very ]im<r and iiiimorous, cnnlinf shorter than the nerved, smooth 

 sherilhs; s!i/)iiUs shuvt, Iniiicnto : /j/a/ii/e diffuse, branches 3 — 5 logether in 

 lialt-whorls : ajj kJel.s ovale, acute, witli about 4, acute flowers; gliinus 

 Ijnceolale, sharply acuuiiiiate. An excellent orass both for luiy and pasluriige, 

 very abundant. May. Jn. Varies much in luxuriance accoriling to the soil. 

 2. 1'. TRIVIA 'lis. Roiigldsh Meadow Grass. 



S'.aiis soiiielimes stoloiiil'eroiis at base, roiigliish backwards, 2 — 3 feet ingh ; 

 Icavi's lauce-liiiear. acute, rough-edgt-d, ioiccr vacs very long, ciiuine as long 

 as the roughisii sliealhs, with long, acnminnte stipules ; j/iinic c diffuse, 

 expanding, scabrous, branches 4 — 5 tngetherin luilf-wliorls ; s/i Inlets oblong- 

 ovate, 2 — ■• H iwered. A grass equally comaion and valuable with the last. 

 June. July. 

 'A. P. coMi'i'.F.'ssA. Blac Grass. 



6'fw decuuibeiit and rooting at base, much compressed, stnooth, strinte, 

 12 — IH inches high; lenncs linear, cariiiale, nerved, sinorith, short, bhjish 

 green ; shea. lis sinoetii, niliier loose, with a short, obtuse stip\ile; panicle con- 

 tnicled, sonir-what secund, branches scabrous, in 2s and 3s ; sjiiheJits ov^ite- 

 oblong. 3— tJ-flowered, subsessile. Less abundant than the last, forming tufts 

 in moist places. June. 



4. P. SKP.ori'.NA. I'.lir. Mcadnw Rrd-top. P. palnstris. Muh. 

 Slfin erect, 2 — 3 It'et high ; lencrs liat, narrow-linear, smooth. 10 — 15 inches 



lonif, St. jnili: long, laceraied ; paaicli: diffuse, somewhat secund, G — 10 inches 

 lonir. branches in half-whorls: spiliricts ovate-lanceolate, 2 — 3-flowered ; 

 Jluaiers but little wel)bed at base, yellow at tlie tip, obscurely 5-nerved. 

 Common in wet meadows. Jn. 



5. P. kkmoka'i.is. IVocd Sjirar Grass. 



Strni slender. 2 — 3 feet high ; If.ivcs narrow-linear, pale green, smootli as 

 well as the sheaths; stipules scarcely any ; pani.cleG — 10 inches long, slender, 

 jioddiuir when in liuit, bran lies capillary, fle,\uous, in 2s hi 3s; splcclcts 

 ovate, about 3-floweied. the flowers spreading and at length remote, slightly 

 webbed at base. A tall, rank grass, in wet, open woods. July. 



* * Flowers free, or not webbed at base. 

 f). P. a'nm'A- .Manual Spc<ir Grass. 



Sarins diciuiibent and rooting at the base, smooth, compressed, 3 — 8 inches 

 long; leai^is linci'-linear, short, smooth, carinate. on loose, glabrous sheaths ; 

 stiuyic oblong, dentate; paiurlc. spreading, the branches generally solitary, at 

 lenn-th ii'irizontal ; sjiiktUls ovate-oblong, rather numerous, coniaining about 

 5, loose .H iwers. A small, abundant, annua! grass, forming a dense, soft and 

 beautiful turf. May— Sept. 



7. P. nkhva'ta. Foal Miuliiw. 



S r.ia .smooth, 3 — 4 feet high ; Uarrs]tir\ce linear, striate, rough above, abiut 

 a foot long, on striate, ronghish sheaths; stipule lacerate; panicle large, 

 loose, difl'use, eqial, branche.-j weak, pendulous in fruit, long and capillary, 

 in 2s or 3.s ; .••■pi.lielets ovate-oblong, coiilaitiing about 5. obtuse, conspicuously 

 7-nerved flowers. A beautiful and valuable grass in wet meadows. Jn. 



8. P. i-.I-onc/a'ta. Torr. 



Slcm round. (Mcct, smooth, 3 feet high ; /c/7«<rs narrow-linear, smooth, 8—15 

 Inches loiif ; shea'.lis striate, smonih ; si. pule very short; piidcle (8 — 10 

 inches) elongated, racemose, noijding, branches solitary or in 2s, appiessed; 

 spL-filcs ovate-obtuse, tumid, containing about 3, obtuse, 5-nerved flowers. 

 Wet meadows. July. 



9. P. OBTU'S.A.. 



Stem smoot!), firm, 2—3 feet high ; leaves dark green, linear, often surjiass- 

 in" the s!em, and with the sheaths sino')th ; paailc dense, ovate, many- 

 flo'wered, 3 - 4 inihes long: spil.rJr.ls ovale, tumid, thick, containing f) — 7, 

 emootli, ovate, obtuse flowers ; Licr;- />(.7t« 7-ncrved. Sw<iinps. Aug- Sept. 



