GRAMINEJE. (GRASS FAMILY.) 639 



1. PHALARIS proper. Panicle very dense, spike-like ; glumes wing-keeled . 



P. CANARIENSIS, L. (CANARY-GRASS.) Annual, 1 -2 high ; spike oval; 

 empty glumes white with green veins, the rudimentary ones small lanceolate 

 scales. Waste places and roadsides ; rare. (Adv. from Eu.) 



2. DtGRAPHIS. Panicle branched, the "lusters open in anthesis ; glumes 



not winged on the back. 



1. P. arundinacea, L. (REED C.) (PI. 13, fig. 1, 2.) Perennial, 

 2-4 high; leaves flat (3-5" wide); glumes open at flowering, 3-nerved, 

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

 nute hairy scale or pedicel. Wet grounds; common, especially northward. 

 June, July. Var. pfcxA, the leaves striped with white, is the familiar RIB- 

 BON-GRASS of the gardens. (Eu.) 



17. ANTHOXANTHUM, L. SWEET VERNAL-GRASS. (PI. 13.) 



Spikelets spiked-panicled, 1-flowered. Glumes 5, the third and fourth empty, 

 hairy, 2-lobed and awned on the back, the flowering glume and palet small, 

 hyaline and obtuse ; basal glumes persistent, very thin, acute, keeled, the 

 lower half as long as the upper. Squamulae none. Stamens 2. Grain ovate, 

 adherent. (Name compounded of &v6os, flower, and &v6wv, of flowers. L.) 



A. ODORATUM, 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. Meadows, pastures, etc. Low slender 

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



18. H I E R 6 C H L O E, Gmelm. HOLY GRASS. (PI. 13.) 



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

 onlv, 3-audrous, sessile, the carinate glumes often awued on the middle of the 

 back or near the tip, the uppermost flower perfect, short-pedicelled, scarcely 

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

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

 leaves flat. (Xame composed of Ifp'.s, sacred, and xAo?;, grass ; these sweet- 

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

 North of Europe.) 



1. H. borealis, Roem. & Schultes. (VANILLA or SENECA GRASS.) (PI. 

 13, fig. 1, 2.) Panicle somewhat one-sided, pyramidal (2-5' long) ; peduncles 

 smooth ; staminate flowerS with the glume mucronate or bristle-pointed 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 

 hairy -fringed on the margins, and the fertile one at the tip. (Eu.) 



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

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

 the tip, the other loug-awned from below the middle ; lowest leaves very nar- 

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



19. ARISTIDA, L. TRIPLE-AWNED 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 in Stipa. Culms branching; leaves nar- 



