cntAMINE.E. ((iUASS FAMILY.) 639 



§ 1. PIIALARIS proper. Panicle very dense, spike4ike ; glumes winrj-keeled. 



P. Canauiknsis, L. (Canakv-Grass.) Aniiuiil, 1 -2° liiu^h ; spike oval; 

 emptv i^luiiu's white with fi^rcen veins, tlie rudinn'iitarv ones small luueeolate 

 scales.— Waste jilaees and roadsides; rare. (Adv. Ironi Kii.) 



§ :i. l)f(iKAl'Il IS. Panicle hranrhed, the ^lusters uj)en in antlit^sis; (jltitncs 

 nut wiu()((l on the bark. 

 1. P. arundinacea, L. (Rekd C.) (I'l. l.*5, fi<;. l, 2.) Perennial, 

 2-4° high; leaves flat (.'3-5'' wide); glumes open at flowering, .3-uerved, 

 thriie the length of the fertile flower; rudimentary glumes reduced to a mi- 

 nute hairv scale or pedicel. — AVet grounds; common, especially northward. 

 June, July. — Var. pfcTA, the leaves striped with white, is the familiar Kib- 

 bon-Grass of the gardens. (Ku.) 



17. ANTHOXANTHUM, L. Sweet Verxal-Grass. (PI. 1.3.) 



S])iki']<'ts spiked-j)anicled, l-tlowered. Glumes o, the third an.l fourth emjjty, 

 liairy, 2-li)hed and awned on the hack, tlic flowering glume and palct small, 

 hyaline and ohtuse ; hasal glumes persistent, very thin, acute, keeled, tlie 

 lower half as long as the upi)er. Stjuamuhe none. Stamens 2. Graiu ovate, 

 adhereut. (Name compounded of 6.i'Qos,Jloir('r, and 6.vQu)v, ufjlowers. L.) 



A. odouXtum, L. Spikelets (brownish or tinged with green) spreading at 

 flowering-time; one middle glume bearing a bent awn from near its base, the 

 other short-awned below the tip. — Mejidows, pastures, etc. Low slender 

 perennial; very sweet scented in drying. May -July. (Nat. from Eu.) 



18. HIEROCHLOE, Gmelin. Holy Grass. (I'l. 13.) 



Spikelets 3-flowered,open-panicled,the Uvo lower (lateral) flowers staminate 

 only, 3-audrous, sessile, the carinate glumes often awned on the middle of the 

 back or near the tip, the up])ermost flower perfect, short-pedicelled, scai'cely 

 as long as the others, 2-androus, awnless. Basal glumes persistent, carinate, 

 acute, somewhat 3-nerved, equalling or exceeding the spikelet. — Perennials; 

 leaves flat. (Name composed of hp'^s, sacred, and x^oi? .V''^'^ >' these sweet- 

 scented grasses being strewn before the church-doors on saints' days, in the 

 North of Europe.) 



1. H. borealis, Poem. &. Schultes. (Vaxilla or Seneca Grass.) (PI. 

 13, fig. I, 2.) Panicle somewhat one-sided, pyramidal (2-5' long) ; peduncles 

 smooth ; staminate flowers with the glume mucronate or bristle-j)ointe(l at or 

 near the tip; rootstock creeping. — Moist meadows, chiefly northward near 

 the coast and along the Great Lakes. May. — Culm 1 -2° high, with short, 

 lanceolate leaves. Spikelets chestnut-color; the staminate flowers strongly 

 liairy-fringcd on the margins, and the fertile one at tlie tip. (Eu.) 



2. H. alpina, Koem. & Schultes. Panicle contracted (1-2' long); one 

 of the staminate flowers with its glume barely pointed or short-awned near 

 the tip, the other long-awned from below the middle ; lowest leaves very uar- 

 Tow. — Alpine mountain-tops, N. Eng., N. Y., and northward. July. (Eu.) 



19. ARISTIDA, L. Triple-awxed Grass. (PI. 8.) 



Spikelets 1-flowered, not jointed on the pedicels. Outer glumes unequal, 

 often bristle-pointed; the flowering glume tipped with three awns; the palet 

 much smaller. Otherwise much as iu Stipa. — Culms branching; leaves nar- 



