^'"'^'"''""- GRAMINEyE. 



'■'^ ''"S;,,.'°s:;i*';^i7;i:;',,''''' '■ "-'- ■ >'"^"'-i ■•■■ -■ ■ ^.' '.- «,*c,.,, 



"■ ^'°r'« ir^C; ;reS,,:,^;;:«,™ "■= ^~k. — --. -'-b- »..,».. ,„.,„„. ,„. 



Siibtribe VII. IIOHDEACE/l'. SnikHets 1 -scv,.,-,! n,.„. i •, • , 



tl.e opposite .sid.-s of azigza- .1 ad s eiti.e. sol f i! " ' "f^"'' "1 '"'"""•''•'^ ""^'^''^'^ '"' 

 awncd or unawi.ed. ° ' '"'"'"^ "' ''^'■^''■••^' together. Glinnes entire, 



♦ Spikelet single (2 in one Lrp(urus) at each joint of the rhachis 



58. Lolium. Spikelets nm ny-llo v 7 niSvif. V'"'""** ped.celle.I sj.ikelet. 



stundingJlgl'and left. """'"'• ^'"'""^ "''^"'^'^ °" ^1- rhachis, both glumes present, 

 » ♦ Spikelets 2 or more at each joint of the rhachis 

 r.. Hnr^ "^ T'', '!'*"■'"'■• ^"'"''"^ " '"''^ "'' '"^■"'"'^'••' <■"'■ tl'e cluster of spikelets 



P„ ^ ,. t"^ """ "°'"'' "■■ ^ ""■ 2 «"n.like nulin.ents in their ,,lace 



62. GymnosUchum. Spikelets few-flowered, son.ewhat pedicelled, 1 to 3 atleh joint. 



1. PASPALUM, Linn. P.vsi-alu.m. 

 Spikes or racemes solitary, either few and digitate or many an<l panicled Spike- 

 lets in two to four rows upon one side of a flattened or fdiform jointless rhachis 

 Jo,nted upon the. short pedicels, plano-convex, awnless, apparently one-flowered' 

 Glumes two, nearly equal, few-nerved. Palets two, roundish or ovate, coriaceous 

 the outer large, convex and enclosing the smaller flattened upper one, rarely mucro- 

 nate or with a few nnnute hairs at the apo.v. Scales 2, wed^e-shaped or quadrate 

 cmargmate. Stamens 3. Ovary oblong, smooth : styles elongated ; stigmas hairy' 

 Oram enclosed m the hardened palets ' 



f ^ ^- ^^fV«=^"»»'J.inn. Culms from a strong jierennial widelv creopin- root- 



.'^tock, , to 12 inches hgl, and clotlmd below by-tile son.owhat crowde reat^s • 



aves flat, hnear-lancoolate, 2 to 3 inches long, glaucous, rou-d. above and w h le 



heaUis smooth or ha.ry : sp.kos two (rarely throe or four), spreading, one sess 1 a d 



nt.f. rr ;?' "^' \^'^' r^''^ '""- ^'^"^'^'>' "^^^-^'--i ^p'^^'i^ts in two row 



ovate, acute. U hues bng: glumes 3-nerved, more or less pul,escent. - P. ra,. 



m Australia. The appearance of the plant is greatly modified bv the lo a H The roi stock 



sometnnes ns large as the little finger, often runs jimt' below the ^nrf^.p ( ,, ,,n," - ft '?"^*'t«\'^. 

 tlu. ascen,ling ste.ns are clothed wUh'sharp.po/^e!rscni;;!7 XX^. ^ [Z 'hav^^nft 



a few proper leaves at the top. In son.e eases the elongation of the ten ts tVd t 



being injured by son,e insec't, and only the sheath is produced as a broad scale W;,hisom,rs 

 a the base of the sten, the rootstock appears as if It bore scnly bulbs, like tho e of so e sn 

 hly. It is oftener near the top of the stem, which looks as if it were terminated by a sZl cone 



A fragment of a Paspahim in the Torrey herbarium is mnrked " 70!), Coulter California " 

 There is probably an error as to the locality, as no other collector has met with it. ^"'"°'^"'^- 



