38 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



[vdb. 10 



1. Schoenocephalium martianum Seub. Fl. Bras. 3 1 : 130. 1847. Korn. Linnaea 



37: 485. .1872. 



Type: crescit in ascensu montis Arara-Coara, Prov. Rio Negro, Martins s.n. 



Specimens examined : Arara-Coara, Prov. Rio Negro, Martins -s.n. (holotype M photo NY, 

 isotype B photo NY) ; Sabana de la Angostura, Rio Caqueta, Araraeuara, Amazonas, Colombia, 



Garcia-Barriga y Schultes 14140. (NY, US) ; 14172 (NY, US). 



Distribution: Known only from the type locality, where the attractive plant 

 is common enough to supply the markets of Bogota. 13 with cut flowers. 



2. Schoenocephalium coriaceum Maguire, sp. nov. 



Herbae terrestres perennes, eaudice brevissimo erecto; foliis 3-5, 5-6 dm 

 longis; vaginis conduplicatis subcoriaceis, marginibns membranaceis angustis. 

 apice acuto, in ligulo lanceolato 2-4 mm longo libero producto; laminis ehartaceo- 

 coriaceis, 2-5 dm longis, (6) 10-16 mm latis, 30-40-nervatis, apice basique attenu- 

 ato-acuminatis ; pedunculo solitario, 5-8 dm longo, 2-3 mm diam., striate, sursum 

 apiee dilato; capitulo sphaerieo 2.5-3.5 em diam., bispatheato, bracteis spathaceis 

 ovatis aeuminatis, 1.5-2.0 em longis, demum reflexis; spiculis 16-18 mm longis 

 numerosis, radiatis, acutis, corallinis, ad apieem albis; bracteolis 16-18, gradatis, 

 evidenter 7-nervatis, bracteolis interioribus late ovatis, obtusis, ca. 5 mm longis, 

 interioribus late lanceolatis vel oblongo-lanceolatis obtusis vel subacutis 9-10 mm 

 longis, 3.5-4.0 mm latis ; sepalis liberis vel eonuatis ad basim per 0.5-1.0 mm, 

 oblongo-naviculoideis ; 12—15 mm longis, 5 mm latis. subacutis; j>etalis ad basim 

 iD tubo 1.0-1.5 mm longo connatis; laminis lanceolatis subearnulosis non exsertis. 

 ca. 10 mm longis, apicibus minute ciliatis; staminibus 6, filameiitis ad basim in 

 tubo connatis; antheris 3-4 ( ?) mm longis, minute muriculatis, 4-thecatis, minute 

 rostratis, 4-poris vel mox biporis in poris lateralibus confluentibus ; ovario 3- 

 loculari; ovulis 2 in quoque loculo; stylo filiformi plane truueato coroniformi- 

 eiliato, 0.5 mm longo ; seminibus ignotis. 



Type : inflorescence coral-red, apically white, abundant, savanna 1 km. west 

 of Cacagual, Colombia, Rio Atabapo, at 100 m alt., Nov 19, 1953, Maguire, Wur- 

 dack cf- Bunting 36301 (holotype NY). 



Collected only from the type locality where this attractive plant is conspicu- 

 ously abundant. 



3. Schoenocephalium teretifolium Maguire, sp. nov. Figure 6. 



Herbae terrestres perennes ; eaudice brevissimo erecto, 1-2 cm longo ; phyl- 

 lodiis vel prophylliis 15-25 cm longis; foliis 3-5. 5-10 dm longis, vaginis 12-20 

 (25) cm lonsis plus-minusve distichis. equitantibusque, submembranaceis, mar- 

 ginibus scariosis, ad basim late dilatatis ; laminis teretibus, 1-3 mm diam., apici- 

 bus acutis; peduneido solitario vel paucis, 7-12 dm longo, 2-4 mm diam., capitulo 

 sphaerieo. 2.0-3.0 cm diam. ; bracteis involucralibus 2, lanceolato-triangularibus 

 acutis, 8-12 mm longis, connatis, demum reflexis; spiculis numerosis radiatis 

 acutis albidis vel roseis vel corallinis vel rubri-purpureis ; bracteolis 16-18 gra- 

 datis, membranaceis, (1) 3-5 (7) -nervatis, plus-minusve concavis, exterioribus 

 late ovatis, 1-3-nervatis, obtusis. apieulatis. 2.5-5.0 mm lomris, interioribus ferme 

 5-7-nervatis, lanceolato-oblongis subacutis, 5-8 mm longis; sepalis 3, liberis, 

 lanceolatis acutis induratis, 12-16 mm longis; petalis 8-10 mm lonois, ad basim 

 in tubo 2-4 mm longo connatis, laminis pallidis, ca. 6 mm longis, 2.5 mm latis, 



3 See Schultes. R. E., Bot. Mus. Lean. Harvard Univ. 16: 190-192. 1954. 



