263 
Sect. Oncostylis. 
10. $. Hildebrandtii Beklr. 
Pallide glauco-viridis. Fibrillis radicalibus tenuibus rigidu- 
lis; eulmis pluribus fasciculatis setaceo-filiformibus 16—6 poll. 
alt. firmulis rectis v. leviter Aexuosis foliisque v. patenti-pilosis 
v. glabris, teretiusculis leviter compressis, infra apicem subangu- 
latis, striatis basin versus pauci- (2—3-) foliatis; vaginis mnem- 
branaceis ferrugineo-stramineis, ore oblique secto pilis longis al- 
bidis dense ciliatis; foliis remotis setaceis rigidulis brevibus, 1—3 
poll. long., acutis canaliculatis dorso striatis; umbella depaupe- 
rata simpliei 3—6-radiata (quandoque ad radium unicum mono- 
stachyum reduncta), radiis rigidulis patentibus indivisis v. raro 
uniramosis, setaceis subglabris, 2—4 lin. long., intermedio ses- 
sili; involucro abbreviato, foliolis e basi lata longe ciliata cuspi- 
datis, omnibus umbella multo brevioribus; spieulis oblongis obtusi- 
usculis leviter compressis 10—5-floris 3—2 lin. long.; squamis 
majusculis tenuiter membranaceis opacis ovato-oblongis obtusis 
carinato-convexis, carina nervata fusca infra apicem squamae 
saepiss. evanescente, muticis v. interdum ex apice obtuso mucro- 
nulatis, elevato-punctatis favidis dorso castaneo-variegatis; squa- 
ma infima bracteali mucronata; stylo validulo longo c. stigmat. 
flexuosis exserto; ovario foecundato perminuto cuneato-obovato 
lacteo apice retuso; filamentis exsertis, antberis magnis. — 
Seirpo puberulo Poir. proximus. — J. M. Hildebrandt. coll. no. 
1059. — (Vidi in Herb. Hasskarl). 
Insula Zanzibar. 
Carex. 
11. C, tricephala Beklr. 
Rhizomate elongato repente nodoso pennam anserinam tenuem 
erasso, vaginarum residuis fuseis ad nodos tumieato; culmis . (fa- 
Seiculisque folior. sterilibus) e rhizomatis nodisortis, erectis Ali- 
formibus 12-—-5 poll. alt. leviter eurvalis inferne foliatis ibique 
triangulis laevibus, superne triquetris striatis angulis peracufis 
subalatis dense subserrulato-setulosis; foliis remotiuseulis viridi- 
bus herbaceis planisacuminatisapice admargines earinulaque subti- 
liss. serratis, infimisbrevissimis, reliquisculmum aequantibus vel pa- 
rum superantibus 21, —1'/ lin. lat. ;capitulis 3 v. 2 androgynis ses- 
silibus fructigeris globoso-hemisphaericis densißoris 3—2"/, lin. cras- 
sis, superioribus duobus in culmi apice confertis, inferiore distante, 
