621 
presso-subtrigonis vhachique laevibus glabrisve, exteriorihus 
1—1'/, poll. long.; spieulis pluribus dense fascieulatis sessi- 
libus fusiformibus 3--3%/, lin. long.; squamis membranaceis 
carinnlatis aeutato-mueronatis strielatis stramineis ferrngineo- 
lineolatis: inferioribus 3 vaenis acqualibus ovatis, quarta pa- 
rum majore fertili, sequentibus binis oblongis plerumqne mas- 
eulis, supremis (3) involutis augustis perfecte vacuis; caryopsi 
parva squama sua breviore ovafa, apeice truncata, turgide 
lenticulari, angulis acutiusculis subtiliter transverse andulato- 
’ 
rugusa rufescente nitida, rositro caryopsi parum longiore co- 
nico-suhulato acuto compresso basi leviter solulo, virente; 
stylo elongato flexuoso breviter bifido v. integro; sets subti- 
libus brevissimis. 
R. aurea Herh, Berol. 
Brasilia (Sello). 
111. MR. Hookeri Beklr. 
Glauco-virens. Radice fihrosa valida; culmo sirieto va- 
lidulo inferne pennam seriptoriam erasso, 2—3- pedali rigido 
subtrigono, ima basi plurifoliato; foliis tenacib us brevinsenle 
angustato-acuminafis carinato-planis sursum marginibus denti- 
eulato-scabris, basilarıbus eulmeisque 14—8 poll. long. 4 Iin. 
latis; corymlis paucis (3) subumbellatis semidecompositis in 
culmi parie superiore subapproximatis, pluriramosis;, rhachi 
rhacheolisque brevissimis ; ramis erecto-patulis validulis com- 
presso-iriangularibus, angulis scabridis, valde inaequalibus 
apice 3—7-ramosis v. subindivisis , exterioribus 14/,—4 poll. 
long., intermedio snbsessili; ramis secundariis 11/,—!/ poll. 
long. ; spieulis ®—5-nis dense faseieunlatis sessilibns, fructile- 
ris ovato-ellipticis leviter compressis acntis 21/,—2%ı In. 
long. ; squamis paucis approximatis chartaceis nitidulis sub- 
carimatis breviter mucronatis sordide stramineis ferrugincoque 
