337 



ORCHIDACEAE : SOBRALIA. 



338 



b. 



B 



a. Folia mollia, breviter acuminata, basi breviter 

 attenuata; bracteae solitariae vel paucae, ninjus- 

 culae, oblongae; sepala acutissima 



5. S. crocka Reichb. f. 

 Folia rigidiuscula, longe acuminata, basi longe 

 cuneata; bracteae nuinerosae, breves, ovatae, 

 bifariae, imbricatae; sepalum dorsale acutius- 



culum 6. S. Candida Reichb. f. 



2. Labellura apice fimbriatum; folia late oblonga vel ovato-lanceo- 

 lata, saepius 9— 11-nervia. 



a. Vaginae et bracteae saepius Jaeves, glaberrimae; folia acuta 

 vel breviter acuminata. 



a. Plauta elata; folia majuscula, mollia, late 

 oblonga, breviter acuminata, vaginis scabrius- 

 culis; flores sessiles, majusculi 



7. S. fimbriata Poepp. et Endl. 

 p. Planta nana; folia parva, rigidiuscula, ovato- 

 lanceolata, acuta, vaginis laevibus ; flores bre- 

 viter pedicellati, parvi 8. S. pumila Rolfe. 



b. Vaginae et bracteae dense setuloso-scabrae; folia 

 longissime acuminata . 9. 8. setigkra Poepp. et Endl. 



Label li venae nudae. 



1. Vaginae et bracteae brevissime brunueo-hispidulae; 

 folia 9-nervia; bracteae plures; sepala fere usque 

 ad basin libera .... 10. S. skssilis Lindl. 



2. Plantae glaberrimae et laevissimae; folia 5-nervia; 

 bracteae 1 — 2; sepala basi distincte in tubum connata. 



a. Caules simplices, superne compressi; folia late 

 oblonga, acuta vel breviter acuminata; sepala 

 basi longiuscule connata, fere usque ad apicem 

 erecta et conniventia; labellum apice rotundatum, 



sepalis lateralibus longius 11. S. macrophyi.la Reichb. f. 



b. Caules ramosi, teretiusculi ; folia oblongo-lanceo- 

 lata, longe acuminata; sepala basi breviter con- 

 nata, superne usque ultra medium valde revoluta; 

 labellum apice profunde emarginatum, sepalis 

 lateralibus brevius . . 12. S. Yauapertensis Barb. Rodr. 



Sect. II. BRASOLIA. 



Inflorescentia lateralis. 



I. Planta glaberrima; racemi ramosi; sepala patula, superne 

 recurva; petala margine undulata, dorso plana; labellum 

 usque ad basin liberum, lobo intermedio valde undulato- 



crispo et lacero 13. S. dichotoma Ruiz et Pav 



II. Flores pubescentes; racemi simplices; sepala erecta, arete 

 conniventia; petala plana, dorso subcarinata; labellum 

 cum columna inferne longiuscule connatum, lobo inter- 

 medio margine crispo integerrimo 14. S. pubescens Cogn. 



Sect. I. EUSOBRALIA Reichb. f. in Fl. des Serves, 



VIII. 247 (1853). 



Inflorescentia terminalis. 



Species 1—12. 



• » 



A. Flores in racemos elongatos flexuosos dispositi, bracteis distanti- 

 bus, distich is. — Species 1 — 4. 



1. SOBRALIA ROSEA Poepp. et Endl. glaberrima; 

 caulibus robustis, elongatis, a basi ad apicem foliosis; foliis 

 amplis, chartaceis, oblongo-lauceolatis, longe acuminatis, basi 

 breviuscule attenuatis, 11-nerviis, vaginis levissime rugulosis; 

 pedunculo communi elongato, geniculato-flexuoso, pauci ad 

 plurifloro; bracteis distichis, remotis, foliaceis, oblongo-lanceo- 

 latis, acutis, basi vaginantibus, ovario multo longioribus; 

 floribus amplis, sessilibus; sepalis aequilongis, fere usque ad 

 basin liberis, oblongis, acutis, lateralibus paulo obliquis; 

 petalis ligulatis, acutissimis, sepalo dorsali aequilongis ; labello 

 sepalis lateralibus subaequilongo, libero vel basi cum columna 

 vix connato, convoluto, anguste obovato, indiviso, apice leviter 



emarginato, margine denticulato et crispulo, laevi, medio 

 trinervi, basi alte sulcato inappendiculato; clinandrii dentibus 

 brevibus, incurvis. 



Endl 



Orch., Sobral. 2: Iieiciib 



Spec. 



Stein 



VIII. 247, 

 ideenb. 556; Bois, 



Orch, 236; Williams, Orch. Grow. Man. edit. 7. p. 714. 



Reich 



Wt 



Sel. Orch. III. tab. 19; De Puydt, Orch. 319. lab. 40; 

 L. Liml Orch. Exot. 952. 



Caules plures, horbacei, erecti, strict!, prope apicem leviter flexuosi, 

 teretes, rigidi, fiMulosi, tenuiter striati, 12—20 dm. alti, usque 1 cm. et 

 ultra crassi. Folia rigidiuscula, erecta vel erccto-patula, plana vel paulo 

 concava, supra intense viridia, subtus paulo pallidiora, 25—35 cm. longa, 

 5—7 cm. lata, superiora sensim in bracteas transeuntia, nervis nupra 

 leviter impressis, subtus valde prominentibus, nervulis secundariis nu- 

 merosis, tenuissimis; vaoikak arete adpressae, distincte multisulcatae, 

 7—10 cm. longae. Pkdunculus communis robustus, erectus, leviter com- 

 pressus, 15—25 cm. longus. Bracteae chartaceae, crecto-patulae, valde 

 concavae, tenuiter multinervulosae, virides, 6—11 cm. longae, 2— 3Vi cm. 

 latae. Flokes patuli, pallide lilacino-rosei vel purpurei, segmentis car- 

 nosulis. Ovarium cylindraceura, tenuiter 6-sulcatuni, laeve, rectum vel 

 paulo arcuatum, 3 — 4 cm. longura. Sepala inferne erecta, superne plus 

 minusve recurva, leviter convexa, inferne longiuscule attenuata, tenuiter 

 7 — 9-nervia, 9—11 cm. longa, circiter 2 cm. lata. Petala membranacea, 

 erecta, subplana, inferne satis attenuata, tenuiter plurinervulosa, 9—11 cm. 

 longa, l l /« — 2 cm. lata. Labellum erectum, apice leviter recurvum, 

 tenuiter multinervulosum, 8—10 cm. longum, 3 — 4 cm. latum. Columna 

 erecta, vix incurva, leviter clavata, semiteres, 4—5 cm. longa. Capsula 

 perfecta ignota. 



Habitat in runcationibus prope Cuchero Pcruviae orientalit: Poeppig 

 n. 1076; ad Casapi; Mathews n. 359; ad Cuckero: Mathews n. 1894; in 

 Peruvia locis accuratis liaud indicatis: Mathews n. 1895, Mac Lean; in 

 Andibus Equadorensibus : Spruce n. 5379, F. C. Lehmann; in Nocae 

 Qranatae prov. Pamplona prope Carillos, altit. 2800 m. : Schlim n. 65; 

 in vrov. Ocana altit 1700-3000 tn.: Schlim n. 32 et 1203. In Brasilia 



contermina forsan adhuc invenienda. — Floret 



Augusto. 



2. SOBRALIA LILIASTRUM Lindl. glaberrima; 

 caulibus robustiusculis, altissimis, inferne denudatis, superne 

 densiuscule foliosis; foliis majusculis, coriaceis rigidisque, 

 anguste lanceolatis, longe acuminatis, basi satis attenuatis, 

 7-nerviis, vaginis laevibus; pedunculo communi longiusculo, 

 geniculato-flexuoso, plurifloro; bracteis distichis, remotis, 

 crasse coriaceis, triangulari-lanceolatis, longe acuminatis, basi 

 amplexicaulibus, ovario plerumque circiter aequilongis; floribus 

 magnis, sessilibus; sepalis aequilongis, fere usque ad basin 

 liberis, oblongo- ligulatis, subabrupte acutis, lateralibus vix 

 obliquis; petalis obovato -oblongis, apice rotundatis, margine 

 leviter undulatis, sepalo dorsali aequilongis; labello sepalis 

 lateralibus paulo longiore, usque ad basin libero, convoluto, 

 obovato, indiviso, apice profundiuscule et angustissime emar- 

 ginato, margine undulato-crispo et plicato, inferne longiuscule 

 cuneato, pubescente, venis elevatis flabellatis cristatis; 

 clinandrii dentibus saepius elongatis, falcatis. 



Sobralia Liliastrum Lindl,! Gen. and Spec. Orch. 177 

 (1833) et 432, Sert. Orch. tab. 29, in Hook. Lond. Joum. of 



