+ Rostrum ore oblique sectum v. leviter emarginatum 
(in C. sylvatica aeute bidentatum). 
843. C. firma Host. 
Dense caespitosa; rhizomate elongato perpendiculari 
descendente crasso brunneo superne ramoso; ceulmis fili- 
formibus ereetis 3—10 poll. alt. firmis triangulis laevi- 
bus nudis ima basi foliosis; foliis brevibus laete viridibus 
confertis subtristichis patentissimis subreeurvatisve rigidis 
eulmo (fructifero) multo brevioribus (3—I-pollic.) lanceo- 
lato-linearibus planis carinatis striatis, apice breviter an- 
gustatis triquetris obtusis, marginibus serrulatis, lineam 
et supra latis; spieulis concoloratis laete luteo-ferrugineis, 
intendum brunnescentibus, densis plurifloris 3—5 kin. lon- 
gis: mascula oblonga obtusa, foemineis 3—2 remotis erec- 
tis, suprema spieulae masculse saepius valde approximata 
parva subsessili, reliquis pedunculatis oblongis, fructiferis 
ellipsoideis 2—3 lin. lat.; pedunculis validulis laevibus; 
braeteis inferioribus foliaceis vaginantibus, suprema mem- 
branacea amplectente cuspidata; squamis conformibus 
membranaceis ovatis carinatis acutatis obtusisve non raro 
mucronulatis, lateribus pallide ferrugineis margineque 
flavidis; utrieulis rectis tenui-membranaceis flavidis cas- 
taneo-variegatis squama multo longioribus anguste Tanceo- 
Tato-oblongis basi attenuatis in rostrum longiusculum ore 
integrum v. bidenticulatum attenuatis ylabris subtiliss. ner- 
vatis, superne margine (haud alato) serrulato-eiliatis, 2— 
2'/, lin. longis; ear. arcte vestita utrieulo breviore ob- 
longa aeute triangulari stipitata ferruginea subtiliss. punec- 
tata, stylo basi aequali terminata. 
41. Bd. 3. Hofi. 15 
