56 Orchidaceae novae Brasiliae atque terrarum 
anguste lineari, acutissimo, superne leviter incrassato, ovario paulo bre- 
viore; processubus stigmaticis mediocribus, linearibus, porrectis, obtusis. 
Tuberidia oblonga, apice rotundata, 1!1/; cm longa, 3—4 mm crassa. 
Caulis erectus, strictus, teres, 2'/,—4 dm longus, 1—1!/, mm crassus, 
sparse vaginatus. Folia 1—2, erecta, limbo 2—3 cm longo. vagina arcte 
adpressa, 1—3 cm longa. Racemus erectus, 2—6 cm longus, 3—10-florus. 
Braeteae arcte adpressae, inferne vaginantes, pallide virides, 8—12 mm 
longae. Flores flavo-virescentes. Sepala subtiliter trinervulosa; dorsale 
valde concavum, 2!/, mm longum, 2 mm latum; lateralia valde obliqua. 
4 mm longa, 1!/; mm lata. Petala tenuiter membranacea; partitio postica 
erecta, subtiliter binervulosa, 3 mm longa, 1!/, mm lata; partitio antica 
satis arcuata, 4 mm longa, !/ mm lata. Labellum carnosulum; partitiones 
laterales patulae vel ascendentes, 5 mm longae, !/—?/, mm latae; partitio 
intermedia subrecta, patenti-reflexa, subtiliter trinervulosa, 5!/; mm longa. 
1!/,mm lata; calcar satis arcuatum, 13—14 mm longum, inferne !/; mm 
superne ?/, mm crassum. — Affinis H. retusae Barb. Rodr. 
Paraguay: Fluitans in paludosis inter Cerro Lambaré et Pacumbu 
(Balansa, no. 724); in paludosis ad San-Joaquin prope Caaguazú (Hassler. 
no. 9681). — Floret Decembri. 
4. (II. 195is) Habenaria (Sect. Nudae) subfiliformis Cogn., |. c., p. 272. 
Caule subfiliformi, breviusculo, paucifoliato; foliis brevibus, lineari- 
subulatis, acutissimis, basi longe vaginantibus; racemo breviusculo, laxius- 
culo, plurifloro; bracteis ovato-lanceolatis, breviter vel longiuscule subulato- 
acuminatis, basi breviter vaginantibus, ovario satis brevioribus; sepalis 
aequilongis, dorsali cucullato, late obovato, apice rotundato et breviter 
apiculato, lateralibus ovato-lanceolatis, breviter acuminatis, satis obliquis, 
patenti-reflexis; petalis bipartitis, partitione postica triangulari-lanceolata, 
acuta, paulo obliqua, sepalo dorsali satis breviore, antica aequilonga. 
capillari, erecto-patula; labello basi breviter integro deinde tripartito. 
partitionibus aequilongis, lateralibus divaricatis filiformibus, intermedia 
lineari, obtusiuseula, convexa; calcari pendulo, lineari-clavato, acutiusculo, 
ovario satis breviore; processubus stigmaticis breviusculis, linearibus. 
porreetis. 
Caulis erectus, paule flexuosus, teretiusculus, 25—35 cm longus, cir- 
citer 1 mm crassus. Folia 1—2, erecta, limbo 2—3!/, cm longo, vagina 
arcte adpressa, 1—2 cm longa. Racemus erectus, !/—1 dm longus. 
Bracteae arcte adpressae, virides, 6 —12 mm longae. Flores flavo-vires- 
centes. Sepala tenuiter trinervulosa, 3 mm longa, dorsale 2—2!/, mm 
latum, lateralia 11/, mm lata. Petala tenuiter membranacea, 2 mm longa. 
partitione postica erecta, subtiliter uninervulosa, !/—?/, mm lata. La- 
bellum carnosulum, basi integrum 1 mm longum latumque; partitio inter- 
media 21/,—2%/, mm longa, !/, mm lata; calcar leviter arcuatum, 4—5 mm 
longum, inferne */¿—'/, mm superne ?/, mm crassum. — Affinis H. Spru- 
cei Cogn. 
Paraguay: In paludosis ad San-Joaquin prope Caaguazü (Hassler. 
no. 96812). — Floret Decembri. 
