6EAMINEAB (GRASS FAMILY) 



121 



19. PHAlARIS L. Canary Grass 



Spikelets 1-flowered, laterally flattened ; glumes equal, boat-shaped, much 

 exceeding the florets ; sterile lemmas small and narrow, appearing like hairy 

 scales attached to the fertile floret ; fertile lemma indurated and shining in fruit, 

 inclosing a faintly 2-nerved palea. — Annuals or perennials, with flat leaves and 

 dense spike-like panicles. (The ancient Greek name, 0o\ap/s, alluding presuma- 

 bly to the crest-like inflorescence.) 



§ 1. EUPHALARIS Godron. Panicle very dense, spi^e-like; glumes 

 viing-keeled. 



1. P. canaki:ensis L. (Canary Grass.) Annual, 3-8 dm, high ; panicle 

 oval, 2-3 cm. long ; spikelets broadly obovate, 5-6 mm. long, imbricated ; glumes 

 white with green veins, the keel entire ; fertile lemma brown. — 

 Waste places and roadsides. (Adv. from Eu.) 



P. MINOR Retz. has been collected at St. John, N. B. (Fowler) 

 and on ballast at Camden, N. J. {Pollard). The spikes are 

 oblong and the glumes are narrowed at the pointed apex, the 

 exposed portion of the keel being somewhat toothed. 



§ 2. DfGRAPHIS (Trin.) Endl. Panicle branched, the clusters 

 open in anthesis ; glumes not winged on the back. 



2. P. arundinacea L. (Reed C.) Perennial, 6-15 dm. 

 high; leaves flat, 6-10 mm. wide; panicle 6-15 dm. long; 

 ■spikelets lanceolate, 5 mm. long, pale ; sterile lemmas reduced 

 to minute hairy scales. — Wet grounds ; common, especially 

 northw. June, July. Fig. 76. Var. pfcxA L., the leaves 

 striped with white, is the familiar Ribbon Grass of the garden. 

 (Eurasia.) 



. arundinacea 

 X2. 



Spikelet ; same 

 with glumes Sep-. 

 arated. 



SO. ANTHOXANTHUM L. Sweet Vernal Grass 



Spikelets 1-flowered; glumes very unequal; sterile lemmas 2-lobed, hairy, 

 dorsally awned, longer than the fertile floret and falling with it ; fertile lemma 

 truncate, awnless, inclosing a faintly 1-nerved palea and per- 

 fect flower; stamens 2. — Aromatic plants with flat leaves 

 and narrow spike-like panicles. (Name compounded of 

 &v9os, flower, and IopWs, yellow.) 



1. A. odorItum L. Perennial; culms slender, erect, 

 2-6 dm. high; leaves rough above; panicles 3-8 cm. long; 

 spikelets brownish green, 8-10 mm. long, spreading at flower- 

 ing time; glumes sparsely pilose ; first sterile lemma short- 

 awned below the apex, second bearing a strong bent scarcely 

 exserted awn near its base. — Meadows, pastures, and waste 

 places, throughout, especially eastw. May-July. — Sweet- 

 scented. (Nat. from Eu.) Fig. 77. 



2. A. PciiLii Lecoq & Lamotte. Smaller, aKKMoZ ; pani- 

 77 A odoratum. cles 1-4 cm. long; spikelets whitish green, 6-7 mm. long; 



Inflorescence x V, "*« glabrous glumes narrower than in no. 1 ; the long-exserted 



Spilielet; same with awn blackish at base. — Dry fields and waste places, N. E. 



glumes' separated to Ont. and Pa. ; sometimes cultivated westw. and southw. 



xiH. (Nat. from Eu.) 



21. HIER6CHL0E [Gmel.] R. Br. Holy Grass 



Spikelets 3-flowered, the terminal fiower perfect, the others staminate or 

 empty ; glumes subequal, about the length of the spikelet, boat-shaped, shining ; 

 sterile lemmas nearly as long as the glumes, boat-shaped, indurated and hairy, 

 each inclosing a 'i-nerved hyaline palea and a flower of 3 stamens ; fertile lemma 

 similar but smaller, inclosing a 1-neiTed palea and perfect flower with 2 stamens. 



