CLABKE — TH E CI I'll: \< l.\l. O] COS1 V RTC \. 4.','.) 



8. BULBOSTYLIS Kunth." 



I", ri ile glumes usually minutel) pilose; style long, slender, glabrous, its bran< I 

 Linear; style base extremely small, at length, after the falling away of the style becom- 

 ing dark colored and remaining attached to the nut; otherwise like Fimbristylis. 

 Stolons none. Stems tufted, slender, naked. Leaves setaceous, or at least extremely 

 narrow . sheaths almost always ciliate or bearded al the orifice. 1 uflorescence umbelled 

 or of one head or Bpikelel . 



Species s ". dispersed through all warm countries; pari icularly in Africa and America. 



k\ \ ro MM SPECIES 



Stem bearing a solitary Bpikelel I . B. parad 



Spikeleta umbellate. 



Spikelets, at least some of them, fascicled 2. B formis. 



Spikelets pedicellate 3. /:. capilla i 



1. Bulbostylis paradoxa Kunth, Enum. 2: 206. L837. 

 Schoenus paradoxus Spreng. Syst. 1 : L90. L825. 

 Onoostylis paradoxa Nees in Man. Fl. lira.-. 2 : 81. L843. 

 holepis paradoxa Steud. Syn. PL Glum. 2 : LOO. L865 

 Scirpus paradoxus Boeckl. Linnaea 36: 739. L869 70. 

 Rynchospora perrigida Boeckl. Allgem. Bot. Zeitschr. 2 : 93. L896. 



Culm 8 i" L6 cm. Long, glabrous, bearing a single spike; spikelets ellipsoid, white- 

 Lanate; style 3-fid; mil obovoid, pale brown; transversely undulate-zoned ; Btyle base 

 al length Left upon the nul . 



Distribution: Tropical South America, frequent. 



Costa Ri< w collections: Pittier & Tonduz 2698 b; burnl savannas al Buenos 

 Aires. Tonduz 3590. 



2. Bulbostylis junciformis (II. B. K. I Kunth, Enum. 2 : I'M. L837. 

 IsoUpis junciformis E. B. K. Nov. Gen. Sp. 1: i > l ) l > . L815. 



pus humboldtii Spreng. Syst. 1 : 213. L825. 

 Onoostylis junciformis Nees in Mart. PL 2 1 : 85. 1843. 

 Isolepis berlandieri Steud. Syn. PL Glum. 2 : L03. L855. 

 Distribution: Prom Mexico to Montevideo, frequent. 



Costa Rican collections: Boruca, altitude 450 meters, Tonduz, 1,481; Buenos 

 Aires, altitude 300 m.-t.-rs, T<mdu: -1>>3. 



3. Bulbostylis capillaris (L. C. B. Clarke in Book. Fl. Brit. End. 6: 652. L8! 

 Scirpus capillaris L. Sp. PL 2: V.). 17?3. 



Cyperus minimus L. Sp. PL 1: 44. L753, in part. 

 Isolepis capillaris Roem. & Schult. Syst: 2: L18. L824. 

 Onoostylis tenuifolia Nees in Mart. Fl. Bras. 2 : 83. L842. 

 Onoostylis ciliata Nees, op. cit. 83. 

 Fimbristylis capillaris A. Gray, Man. ">3o. L848. 

 Trichelostylis capillaris Wood, Class-Book 742. L861. 

 Scirpus microstachys Boeckl. Cyp. Nov. 2: II. L890 

 Stenopkyllus capillaris Britton, Bull. Torr. Club 21: 30 1894 

 Distribution: From Canada to Argentina, common. Subspecies trifida com- 

 mon in warmer parts of the < >1<1 World. 

 Costa Rican collbctions Nicoya, Tondui L3742 bis. 



<* Bulbostylis Kunth is antedated by Stenophyllus I la f . Editor. 

 b Mr. Clark* credits this combination to Kunth. Enum. 2 : 211, cf. 205, L837, but 

 the binomial ran hardly be regarded as technically published by Kunth. — Edi r< >r. 



