554 GRAMINiwE. (G11A3S FAMILY.) 



1. r. filCCllldSHS, Bcauv. Culms clustered from a short rootstouk (1 

 high), wiry, leafy; leaves oblong-lanceolate; spikes flower-bearing to the base 



(5' -8' long), soon divergent; awn of the abortive flower shorter than its stalk, 

 equalling the pointed glumes, not more than half the length of the \vn of the fer- 

 tile llower. 11 (Anthopogon lepturoides, Null.) Sandy pine ban-ens, New 

 Jersey to Virginia, and southward. Aug., Sept. 



2. G. brcvif'olitlS, Trin. Filiform spikes fang-pcduncled, i. e. flover-bear- 

 iwj only above the middle; lower palea ciliate near the base, short-awncd; awn 

 of t/ie abortive floicer obsolete or minute ; glumes acute. 1J. (Anthopogon brevifo- 

 lius & h'liformis, Nutt.) Sussex County, Delaware, and southward. 



aO. C^NODOjy, Richard. BERMUDA GRASS. SCUTCH-GRASS. 



Spikelets I -flowered, with a mere naked short-pedicellcd rudiment of a second 

 flower, imbrieate-spiked on one side of a flattish rhachis; the spikes usually 

 digitate at the naked summit of the flowering culms. Glumes keeled, pointless, 

 rather unequal. Paleai pointless and awnless ; the lower larger, boat-shaped. 

 Stamens 3. Low ditfusely-brancjied and extensively creeping perennials, with 

 short flattish leaves. (Name composed of KVCDI>, a dog, and odovs, a tooth.) 



1. C. DACTYLON, Pers. Spikes 3-5; paleae smooth, longer than the blunt 

 rudiment. Penn. and southward; troublesome in light soil. (Nat. from Eu.) 



21. DACTYI^OCTENIUM, Willd. EGYPTIAN GRASS. 



Spikelets several-flawered, with the uppermost flower imperfect, crowded on 

 one side of a flattened rhachis, forming dense pectinate spikes, 2-5 in number, 

 digitate at the summit of the culm. Glumes compressed laterally and keeled, 

 membranaceous, the upper (exterior) one awn-pointed. Lower palea strongly 

 keeled and boat-shaped, pointed. Stamens 3. Pericarp a thin utricle, contain- 

 ing a loose globular and rough-wrinkled seed. Culms diffuse, often creeping 

 at the base. (Name compounded of SaKrvXos, finger, and urtviov, a little comb, 

 alluding to the digitate and pectinate spikes.) 



1. I>. -ZEGYPTlACUM, Willd. Spikes 4- 5; leaves ciliate at the base. 

 (Chloris mucronata, Michx.) Cultivated fields and y,ards, Virginia, Illinois, 

 and southward. (Adv. from Afr. ?) 



22. EL,EUiftE, Grcrtn. CRAB-GRASS. YARD-GRASS. 



Spikelets 2-6-flowcrcd, with a terminal naked rudiment, closely imbricate- 

 spiked on one side of a flattish rhachis ; the spikes digitate. Glumes membra- 

 naceous, pointless, shorter than the flowers. Paleae awnless and pointless ; the 

 lower ovate, keeled, larger than the upper. Stamens 3. Pericarp (utricle) con- 

 taining a loose oval and wrinkled seed. Low annuals, with flat leaves, and 

 flowers much as in Poa. (Name from 'EXeuo-iV, the town where Ceres, the god- 

 dess of harvests; was worshipped.) 



1. E. INDICA, Gterli. (DOG'S-TAIL or WIRE GRASS.) Culms ascend- 

 ing, flatten.'.!; spikes 2-5 (2' long, greenish). Yards, &c., chiefly southward. 

 (Nat. from Ind.l) 



