GRAMINEAE (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 hairv 

 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, 0a\apts, alluding' presuma^. 

 bly to the crest-like inflorescence.) ° 



§ 1. EUPHAlARIS Godron. Panicle very dense, spike-like; glumes 

 wing-keeled. 



1. P. cANARiENSis L. (Canary Grass.) ^Annual, 3-8 dm. high; panicL? 

 oval, 2-8 cm. long ; spikelets broadly obovate, 5-0 mm. long, imbricated'- glumef" 



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. (Foioler) 

 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. J)iGR APHIS (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, 0-10 mm. wide ; panicle 6-15 dm. long ; 

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

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

 north w. June, July. Fig. 76. Var. picta L., the leaves 

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

 ■[Eurasia.) 



P. arundinacai 



Spikelet ; saro* 

 with glumes sep 

 arated. 



20. ANTHOXANTHUM L. Sweet Vernal Grass 



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

 iorsally 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 

 dvdo^, flower, and ^av66s, yellow.) 



1. A. odoratum 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. PuELii Lecoq & Lamotte. Smaller, annual ; pani- 

 cles 1-4 cm, long; spikelets whitish green, b-1 mm. long; 

 the glabrous glumes narrower than in no. 1 ; the long-exserted 

 awn blackish at base, — Dry fields and waste places, N. B. 

 to Ont. and Pa. ; sometimes cultivated westw. and southw. 

 (Nat. from Eu.) 



11. A. odoratum. 

 Inflorescence x i^. 

 Spikelet ; same with 



glumes separated 



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



Spikelets 3-flowered, the terminal flower 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 2-nerved hyaline palea and a flower of 3 stamens ; fertile lenuna 

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



