(ll.l II I 



I -i PER \< I .1 



1) 



. XXX < V PI K' t< 



( rperoldea 



r, p. 110 . h 



I 



Diagnosis. — Olnmal En ith wkoh leaf-sheaths, a 



within il 



Grass-like herbs, growing in tufts and never acquiring a shrubby condii 

 stems are never hollow, and seldom have any partitions at their nodes ; th< 

 quently angular, and are sometimes enlarged at the base into corms or tu 



leaves are narrow or tapi r, ai d, 

 they wrap round the stem in the form of 

 a sheath, never have that shi 

 Flowers jj or | ,l, n . 



eated Bohtary bracts, of which the Ic 



are often emj 

 ing other opposite bracts at right a 

 with the first, and called glui - 1 ah x 

 none. Stamens hypogynous, di 

 2, 3, 4, 5, 6, 7, 10, 12 ; antl - 

 their base, entire, 2-celled. Ovary f- 



Ften surrounded bj 1 

 hypogynous » tee ; ovule 1 

 pal ; style single, trifid, or 1 in i ; 

 undivided, occasionally bifid. Nut 1 

 or bony. Albumen Heshj 

 mealy, of tin- 



embryo lenticular, undivided, end 

 within the baseoi the albumen ; plui 

 inconspicuous. 



- E - so near!} resembli 1 \\ 

 appearance, that the one may 1 ■ • 

 mistaken for the other by incurious 

 sons ; they are, howi m 

 languished by many hnpi rtanl ■ 

 structure. In th< first place, tl. 

 are usually angular, not round 

 tular ; there is 







. 



jW 



--L ■ 



.• 



1 . I \ \ V 1 1 1 



ed them by a sin.;!.- bract, 



diaphragm 

 at the articula- 

 tions ; their 

 flowers are ■ !< s- 

 titutr of anj 

 other covering 

 than that afford- 

 tlic axil of which they grow, 

 with tin- exception of Carex, Uncinia, and Diplacrum, in which 

 2 opposite glumes are added : and. finally, the seed has it- em- 

 bryo lying in the base of the albumen, within which itscotyle- 

 donar extremity is enclosed, and 1 1 • • t on die outside, as in 

 Grasses ; a very important fact, which it is the more necessary 

 t>> point out, since Brown descritx s it (Pn ■ . 212 1 asli nticular 

 and placed on the outside of the albumen. The additional 

 glumes above adverted t<> form what Limuean botanists 

 the nectary or aril I Brown mentions a case where t ; 

 glumes, which he calls a capsular perianth, included - 

 instead of a pistil. According to Turpin, rudu 



Fig. LXXVIII. — Scirpns I \ Bower sun 



ition of it. showing the lenticular embryo. 

 . 1 \ \ 1 \ t triclo or 





i 



•»>«e— <r 



i \\ \ 



1 



