INTRODUCTION TO BOTANY. 121 
_Conjointed, connate, coadunate, coadnate, coalite. Two 
pieces, attached opposite to each other, and joined by 
their edges. Alopecurus pratensis, A. agrestis, A. bul- 
bosus. 
One-sided, unilaterales. Attached side by side, on one 
side only of the axis, at the same height. Hordeum. 
Alternate, altern@. When the two spathelles are at- 
tached on opposite sides of the axis, but with one rather 
‘higher than the other. Agrostis canina, Phleum, Phalaris, 
Briza, Melica, Bromus, Avena. Pl. 12, fig. 14. 
{ Similar, szmilares. When both the upper and lower 
spathelles are alike. 
Dissimilar, dissimilares. When the spathelles are dif- 
ferent. Bromus, Vulpia, Festuca. 
{] Equal, equales. Spathelles of equal length. Triticum, 
Secale, Hordeum, Phalaris. 
Unequal, znequales. _Arrhenatherum elatius, Panicum, 
Anthoxanthum odoratum, Lolium temulentum. 
€ Herbaceous, herlacee. Milium effusum. 
Membranaceous, membranacee. Arrhenatherum elatius, 
Melica nutans. 
Scarious, scariose. Phalaris Canadensis. 
Thick, crass@. 'Tripsacum hermaphroditum. 
Leathery, cortacee. Bambusa arundinacea. 
Ribbed, nervate, nervose. With rising ribs. Paspalum. 
Spined, spinellose, echinate. 'Tragus racemosus. 
“| Rounded, subrotunde. Paspalum. 
Ovales, ovales. Melica nutans. 
_Lanceolate, lanceolate. Daciylis glomerata, Bromus 
dumetorum, Achnatherium lanceclatum, Avena. 
Linear, lineares, Oryza sativa. 
Awlshape, subulate. Hordeum, Secale. 
Bristlelike, setacee. Zeocriton secalinum. 
Concave, concave. Hollowed like a spoon. Briza minor, 
B. major, B. media. 
Compressed, compresse. Folded in two, lengthways. 
Phleum pratense, P. nodosum. 7 
Keeled, curinate. Dactylis glomerata, Phalaris. 
Boatlike, naviculares. Concave, and compressed side- 
ways. ‘Triticum estivum, Phalaris. 
Not cut, integre. Without teeth or notches. . Briza. 
Two-teethed, bidentate. Triticum hybernum. 
Four-teethed, guadridentate. Pommereulia. ; 
Pointed, mucronate. Dactylis glomerate, Phleum pra- 
tense, P. nodosum, Digitaria. 
