554 tJKAMlNKjE. (GRASS FAMILY.) 



1. G. ntceiliosus, Bcauv. Calms clustered from a short roots! ick (I 

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

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

 equalling the pointed (jlunus, not more than half the length of the t\vn of the fer- 

 tile flower. 1J. (Anjhopogon lepturoides, Nittt.) Sandy pine barrens, New 

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



2. G. brevifoIillS, Trin. Filiform spikes long-pednncled, i. e. flower-bear- 

 ing only above the middle; lower palea ciliatc near the base, short-awned ; aum 

 of the abortive flower obsolete or minute ; glumes acute. ' 1J. ( Authop6gon brevifo- 

 lius & filiformis, Nutt.) Sussex Courity, Delaware, and southward. 



2O. C.YNODON, Richard. BERMUDA GRASS. SCUTCH-GRASS 



Spikelets 1 -flowered, with a mere naked short-pedicelled rudiment of a second 

 flower, imbricate-spiked on one side of a flattish rhaehi.s ; the spikes usually. 

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

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

 Stamens 3. Low diffusely-branched and extensively creeping perennials, with 

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



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

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



21. DACTYL.OCTENIUM, Willd. EGYPTIAN GRASS. 



Spikelets several-flowered, 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. Culrns diffuse, often creeping 

 at the base. (Name 'compounded of SaKruAos. finger, and KTeviov, a little comb, 

 alluding to the digitate and pectinate spikes.) 



1. D. -/EoYPTlACUM, Willd. Spikes 4- 5; leaves ciliate at the base. 

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

 and southward. (Adv. from Afr. ?) 



22. E LEU SINE, Gsertn. CRAB-GRASS. YARD-GRASS. 



Spikelets 2 - 6-flowered, with a terminal naked rudiment, closely imbricato 

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

 naceous, pointless, shorter than the flowers. Paleas 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 'EXevonV, the town where Ceres, the god- 

 dess of harvests, was worshipped.) 



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

 ing, flattened ; spikes 2-5 (2' long, greenish). Yfd'ds, &c., chiefly southward. 

 (Nat, from Ind. ?) 



