De novis et criticis speciebus generum saepe ignotorum Scleriearum. 381 



mimerosa documenta Clarkei (Traill 1205, 1209, Ridley, im Thurn, 

 Lepri eu), hie annumeravi possint et quani longe haec ex Brasilia diffusa sit. 



f. rubra Pfeiff. — C. Palmetto Nees in Mart. 1. c. 195 (syn. max. excl.).— 

 G. longi folia Bcklr. 1. c. 431 non Kth. — Hypolytrum multinerve Steud. 

 1. c. 133. — Differt vaginis pedunculisque rubris; mix a basi ad medium 

 glabra, hinc a vertice membrana exteriore squabraque veluta calyptrata. — 

 S. Paulo: Beira Copuo, Aquatica, Franca (Loefgren et Ed wall 2074!). 

 Guiana gallica (Poiteau). Trinidad (Broadway). 



/?) var. angustil'olia Bcklr. (pro C. fragifera, 1. c. 431). — C. angusti- 

 folia Kth. 1. c. 364, syn. Brongn. exclus. ; Steud., Nom. 1. c. 263 et Syn. II, 

 181 ; Griseb., Fl. 580; C. B. Clarke in Urb., 1. c. 155 et Kew Bull. 1. c. 135. — 

 Area: Guiana, Ind. occid., Brasil. 



f. typica Pfeiff. — C. angusti folia var. ft Nees in Mart. 1. c. 192: — 

 Culmus folia aequante la>us; cymae lateralibus pluiimis. — In silvis 

 aeternis ad flumen Amazonum prov. Paraensis (Martius 24!). Guiana 

 gallica (Schomburgk!). Trinidad: Aripo (Othmer!) 1 ). 



f. minor Pfeiff. — C. angustifolia Lindl. et Nees in Linn. IX, 304 et 

 var. a in Mart. 1. c. — Differt culmo foliis multo breviore, cymis laterali- 

 bus una altera ve vel sola terminali residuis, foliis angustioribus evidentius 

 carinatis. — Guiana gallica (Richard!). 



f. scabrinux Pfeiff. — ? C. brevicaulis Nees in Mart. 1. c. 196 in nota; 

 Steud., Nom. 1. c. 263 et Syn. II, 181. — A reliquis varietates differt 

 nuce tota epidermiter scabra vestita et foliis vix 2 mm latis. — Guiana 

 gallica (Poiteau!). 



6. B. Martii Pfeiff., nov. comb. — C Martii Nees in Mart. 1. c. 195; 

 Steud., Syn. II, 181 ; Bcklr. 1. c. 432; C. B. Clarke in Kew Bull. 1. c. 135. — 

 Nux ovata acutiuscula, turgide lenticularis basi calva Candida subplicata ; 

 perigynio annulo angusto infero centro baseos elevato. Cymae axiJlares 

 tot quod folia floralia, terminali inter sese approximatae, incluse pedun- 

 eulatae, structurae solitae et densiores, compositae, pedunculis lateralibus 

 brevibus saepe brevissimis. 



f. typica Pfeiff. — Inflorescentia densisshna; folia ad 80 cm longa 

 longe attenuata. — Brasilia : In silvis ad flumen Japura, e. g. ad cataractas 

 de Auracoara (prov. flum. Nigri): Martius 18! 



f. laxa Pfeiff. — Inflorescentia e glumis 3 laxioribus constans, folia 

 breviora breviter acuminata. — Brasilia: In vicinibus Barra (prov. 

 Rio Negro): Spruce 909! 



7. B. bicolor Pfeiff., noc. comb. — C. bicolor Nees in Linn. IX, 304. — 

 C. Poeppigiana Kth. 1. c. 364; Nees in Mart. 1. c. 194 tab. XXVLTI; Steud., 

 Nom. 1. c. 263 et Syn. II, 181; Bcklr. 1. c. 432; C. B. Clarke 1. c; Huber 

 in Bol.Mus. Goeldi V, no. 2, 1909, 319. — Nux subrotundo -ovata, turgide 

 lenticulari, pallide ferrugineum pubescens, apice acutiuscula subrotunda- 

 que, ad basin subtumidula albida glabra annuloque trigono albido. Cymae 

 axillares et terminales decompositae vel compositae. 



l ) Alias plagulas a Clarke o ,, angusti folia" commemoratus assequi cum 

 magno dolore meo non potui. 



