strietiusculis filiformi - setaceis firmis 5—14 poll. altis trisn- 
gularibus, angulis sursum serrulatis, basin versus paueifo- 
liatis; foliis mollibus erectis remotiuseulis eulmo breviori- 
bus, semilineam eirc. latis, longe acuminatis carinato- pla- 
nis apice triquetris serrato -scabris; spienlis 3—2 in eulmi 
apice confertis stramineo -albidis subrotundis obtusis 1O—6- 
Noris, foribus perpaueis inferiorum maseulis, fructiferis 
eire. 2 lin. diam. (in anthesi ovatis multo angustioribus) ; 
bracteis squamiformibus, infima lamina setacea quam 
spicula v. breviore v. parum longiore (rariss. elongata) 
munita; squamis hyalino- membranaceis albidis (raro 
rufidulis) late ovatis obtusis, nervo mediano viridulo 
infra apicem squamae evanescente; utrieulis glauco -albi- 
dis subcoriaceis erecto - patentibus sguamas primum aequan- 
tibus turdiusque eas parum excedentibus, 11/,—1'/z lin. longis, 
ellipsoideis, apice acutiusculis, basi attenuatis, erostratis 
leviter compressis hine planiusculis illine convexis, ore 
integerrimis v. brevissime fissis, utrinque remote nervatis 
densissimeque elevato-punctulatis, punctulis porosis; cary- 
opsi laxiuseule inclusa utrieulum subaeguante lentieulari - 
compressa late ovali obtusa styli basi tenni terminata, ob- 
solete punctulata luteo -ferruginescente. 
C. tenuiflora Wahlb. Fi. Lappon. 232.— Schk. 
£. 187. 
Lapponia 'Tornensis. Suecia. America arctica (Prescot). 
Mare album (Nyland.). 
130. C. trisperma Dewey. 
Rhizomate elongato descendente filiformi superne ra- 
moso; culmis pluribus faseiculatis e/ongatis tenerrimis, Hili- 
