20 C. B. Clarke: 



in margine crispato-undulatis; nuce cum Yi" Vb P^r^e glumae aeqiii- 

 longa, obovoidea, compressa, levi, nigra; cellulis extimis subquadratis, 

 emarcidis albescentibus saepe porosis; stylo brevi, ramis 2. 



Pycreus amjulatus Nees in Linnaea IX (1834) p. 283; C. B. Clarke 

 in Hook. f. Fl. Brit. Ind. VI p. 593. 



Cyperus unioloides R. Br.f Frod. (1810) p. 216; Kunth Enum. II 

 p.ll2; Hemsl.I Centr. Amer. Bot. III p. 452. 



Cyperus hromoides Link Jahrh. III (1820) p. 85; Kunth Enum. 

 II p. 8; Griseh. Fl. Cub. p. 236; 8auv. Cub. n. 2568 p. 171; Bocck. in 

 Linnaea XXXV (1867 68) p.463; Willd. ms. flde Link. 



Cyperus angidaius Nees in Wight Contrib. (1834) jJ- 73; Boeck.f 

 in Linnaea XXXV (186768) p. 465. 



Cyperus pseudo -bronioides Boeck.f in Linn. XXXV (1867 68) 

 p. 464. 



Cyperus Selloanus Boeck.f in Linyiaea XXXV (1867 68) p. 466; 

 Hemsl. Centr. Amer. Bot. III p. 451. 



Cyperus Tauberti Boeck. in Kneuck. Allg. Bot. Zeit. I (1895) p)- 158. 



Hab. in Cuba: C. Wriglit n. 214, 3752; Hispaniola prope 

 Port-au-Price: Herb. Hennecart, Jacquemont. 



Distrib. in Africa australi, Asia austro - Orient. , Australia septentr., 

 Mexico, America australi, 



III. Juiiccllus C. B. Clarke. 



Spiculae 5 6 multiflorae; rhachilla persistens. Glumae 2 imae 

 vacuae, persistentes; 4 plurimae sequentes distichae, florem nucigeruni 

 bisexualem foventes, abasi spiculae sensim caducae. Setae liypogynaeO. 

 Stamina 3 1, antica. Styli rami 2. Nux convexo-plana aut sub- 

 trigona angulo antico plus minus depresso. Culmi nudi. Spicu- 

 larum spicae in quasi-umbella dispositae vel at 1 caput congestae. 



Species 13, in orbe vetere late sparsae, in orbe novo rariores. 



Obs. Genus a Cypero non-nisi stylo 2 -Mo diversum. 



Clavis specierum Antillanarum. 



Umbella composita, spiculis numerosis . IS. J. alopeciiroides C. B. Clarke. 

 Culmus monocexilialus 14. J. laevigatus C. B. Clarke. 



13. Juiicellus alopeciiroides C. B. Clarke, glaber, culmo robusto, 

 usque ad 1 metr. longo, erecto, saepissime annuo; foliis cum culmo 

 aequilongis, 1 cm. latis; umbellae radiis 10 15 cm. longis, apice saepe 

 iterum umbellatis; bracteis nsque ad 3 5 dm. longis; spicis usque ad 

 3 5 cm. longis 17 mm. latis, cylindricis, polystachyis; spiculis 8 mm. 

 longis, 2 3 mm. latis, 8 30-nucigeris; glumis ovatis, fusce strami- 



