236 MONOGRAPHIA POtVGALACEARUM. 



Radix fibrosa. Caulis erectiis, teres, iliirus, a[)ice tanluin ii)iviiiIm)S(j lamosiis. 

 ad 30 cm. altus, basi ninbis, in rainis foliosus. Raini simplices vel itonini rainosi. 

 Fnlia linearia, erecta siibadpiessa 5-7 mm. longa, (),.)-l mm. lata, glabra. Kaci^mi 

 terminales spicifoniies, densiflori, cca. 2 cm. loiigi, 3-'> mm. lati. Flores siibses- 

 siles, parvi 1 ,5-2 mm. knigi, Racliis post delluviuiii lloi'um leviter aspera haiid 

 tenuis sed subcrassa (0,5 riiiii.) sa3pe elongala (3-7 cm.). Sepala exteriora glalira. 

 Al;p obovata;, triiiervia', qiiam corolla paiiln longiorcs, nervis siinpliciliiis. l'claia 

 superiora lanceolato-obovata vel lanccolata, apici^ subretusa, snbseiiiilala, rpiani 

 carina cristata paulo breviora. Carinie crista a lilamenlis cca 6 linearibus et 

 duobus membranaceis carina^ alfixis formata. Carina galeata subito et rectaiigiila- 

 riter in unguiculum desinens, eoque paulo longior. Anthera' in tiibo staminali 

 subsessiles. Ovarium glabrum ovatum. Stylus adscendens brevis. Stigma superius 

 rectangulariter retusum appendicuium apice cristatnm in vagina l'erens, inlerius 

 minus, subclavatnm. Capsula alis brevior, ovata, vel triangularis, obtusa, vix vel 

 haud emarginata. Semina ovalo-conica nec elliptica nec cylindrica pilis brevibus 

 subhirsuta, appendicula duo linearia brevissima ferentia. 



Var. brachiata. forma validior tantum pra'cedentis (P. brachiata, Rchb.), v. in 

 Hb. Bruxell. 



Var. gradllivia (P. gracillima Spruce in Bennet, I. c). 



Radix fibrosa. Caulis simplex erectus ad 25 cm. longus. Folia erecta, adpressa, 

 linearia, nunierosa ; racenius terminalis cca. 30 mm. longus, 3 mm. latus, rachi 

 haud tenui. 



Habitat in pratis udis Brasilia? provinciarum, Minarum, Bahiensis, Para, Alto 

 Amazonas nec non in Essequebo, Guianaque britanica : Cayenne Leprieur Hb. 

 Deless. 203. Var. brachiata : Schomburgk, 81. Var. gracillima : Spruce 2094 secus 

 Rio Negro, Brasiliœ borealis, inter Barcellos et San C.abriel (Hb. Deless.). Kappler 

 Pt. Surinam 1422 in loc. humidis distr. Para. — April. 



P. CŒLOSIOIDES, Mari. 



Caulis erectus, teres, superne ramosus; rami graciles, corymbosi; folia nume- 

 rosa, linearia, subdecidua; racemi conici, demum elongati; bracteae persistentes ; 

 alae anguste ellipticse, subspathulatœ ; petala superiora, rhomboidalia, apice emar- 



