822 



ginato, vaginis ochreatis acuminatis, sp. pluriflora, secnnda, 

 br. ochreatis ovatis acuminatis, magnis, p. ph. e. ovatis basi 

 coalitis, p. ph. i. cuneatis, apice retnsis nunc 1 — bis emar- 

 ginatulis, Ib. unguiculato. transverse ovato, apice obtuse acnto 

 callnlis valde prominnlis, lamella biloba in medio postice in 

 dentera cxcnrrente; gy. snb androclinio trifido, dente medio 

 rostellari, lateralibus stigmaticis reflexis. A simili tristyla 

 differt labello. 



Rio Janeiro; an Felsen und Bäumen. Riedel. (Von der 

 lc. Akademie zu Petersburg erhalten.) 



St. papaquerensis c. secundariis laxe vaginatis, vagi- 

 nis (cinnamomeis) amplis apice oblique dccisis, fo. oblongis, 

 basi cuneatis, apice bilobulatis, denticulo interjecto, ped. va- 

 lido, plnrimifloro, basi parce (2 — 3) vaginato, sp. secnnda, 

 br. ochreatis, retusis, p. ph. 3 extemis ovatis subacntis , basi 

 coalitis, p. ph. i. ciineatis, brevissimis, margine anteriore lu- 

 natis, Ib. subquadrato, antice 3 — 4-crenuIato, callo trans- 

 verso per medium. 



Baumstämme in Urwäldern bei Rio Papaqucra. Januar 

 1827, Beyrich, 



Fleurothallis. 



Sect. Elongatae. 

 PI. pedunculata (Rhynchopera pedunculala Kl. in Lk, 

 Kl. Otto lc, II. 103. t. 41 !) c. secundario teretiusculo, vagina 

 membranacea, apiculata, fusca in medio, fo, ovali , acnto, 

 apice obtuse tridentato, augustato, spatha membranacea sub- 

 tubujosa compressa, ab uno lateie in acumen attenuata, ped. 

 filiformi, gracili, parte libere racemosa (fl, — 6), br. ochrea- 

 tis, acutis, pedicellis elongatis, ovariis subteretiusculis, p.ph. 

 supremo lanceolato acnto , lateralibus omnino connatis subcon- 

 cavis, 1. i. supremo snbacqualibus, angustioribus, Ib. lanceo 



