Cyperaceae. 93 



Cyperus lasiocephalus 0. Wright ms. frfe Oriseb. 



Courtoisia olivacea Boeck. in Flora XLIII (1860) p. 331. 



Anosporuw cubense Boech.! in Linnaea XXXVI (1869 70) 

 p. 413. 



Anosporum piliferum et A. paraguyense Maury! in Mem. Soc. 

 Genev. XXXI (1890) pp. 123, 124 tt. 34, 35. 



Isolepis cclii nocephala Oliver! in Trans. Linn. Soc. XXIX (1875) 

 p. 167 t. 107. 



Orepidocarpus cubensis Klotxsch ms. fde Boeck. 



Hab. in Cuba: Poeppig, C. Wright n. 221, 3380, 3384; Hispa- 

 niola: Jacquemont, Mayerhoff; Trinidad: Bromfield, Finlay n. 1887. 



Distrib. Africa trop., Alabama, America centralis ct australis tropica. 



122. Scirpus Olncyi A. Gray, glaber praeter glumarum margines, 

 culmis 1-metralibus, apice triquetris, submonocephalis; foliis brevibus; 

 bractea ima 1 4 cm. longa; spiculis 3 12, subcapitatis, 5 9 mm. 

 longis, obtusis, fusce ferrugineis; glumis apice leviter emarginatis, minute 

 mucronatis; setis 3 6, cum y 3 2 / 3 parte nucis subaequilongis, bruneo- 

 rubris, retrorsim albo-scabris; stylo 2-fido; nuce oblongo-obovoidea, 

 levi, griseo-brunea. 



Scirpus Olneyi A. Gray! in Boston Jonrn. Nat. Hist. V (1845) 

 p. 238 in nota; Boeck. in Linnaea XXXVI (1869 70) p. 710. 



Scirpus pitngcns Benth.! Fl. Hartw. (1839) p.27; Liebm.! Mexic. 

 Halvgr. p. 58 partim; Boeck. in Linnaea XXXVI (1869 70) p. 708 

 partim. 



Hab. in ins. Bermuda: Moseley; Jamaica: Bromfield; Hispa- 

 niola: Ehreuberg n. 78, Jacquemont, Picarda n. 1460 (prope Port-au- 

 Prince in litoralibus), 1570. 



Distrib. a Rhodc Island usque ad Florida, New Orleans, California, 

 Gruatemala. 



Obs. Differt a S. triquetro capite simplice, a S. americano Pers. (S. 

 pungente Valil) spiculis obtusis. 



123. Scirpus lacustris Linn. glaber praeter glumarum margines, 

 rhizomate horizontali crassiusculo; culmis (saepius in aqua suberectis) 

 5 20 dm. longis, teretibus vel apice plus minus trigonis, enodosis, 

 saepius aphyllis; umbella composita aut simplice, aut in 1 caput fere 

 contracta; bractea ima suberecta, brevi aut umbellam superante; spiculis 

 fasciculatis aut solitariis, usque acl 15 mm. longis 6 mm. latis, cylindricis 

 aut ovoideis, bruneis; glumis ovatis, apice cmarginatis mucronulatis, 

 in margine minute ciliatis, saepe glandulosis; setis 6 5, cuni nuce 

 subaequilongis (interdum brevioribus), retrorsim scabris; staminibus 3, 

 antheris cristatis; stylo 3-fido aut 2-fido; nuce cum x j z y 2 parte 



