453 
sepalis circiter aequilongo, sessili, inferne distincte trilobato, 
lobis basilaribus abbreviatis, divaricatis, triangulari-falcatis, 
obtusis vel acutiusculis, margine integerrimis, lobo terminali 
amplo, late obovato-subquadrangulo, inferne satis constricto, 
apice leviter emarginato, margine subtiliter denticulato, disco 
basi crassiuscule calloso et ad medium lamellato, callo basi- 
lari obtuse quadrangulo laevi utrinque anticeque emarginato, 
lamella anteriore apice bidentata lateribus serrulata, per 
discum paucisquamulosa; columna brevi, gracili, alis anticis, 
latiusculis, obtuse triangulis, superne serrulatis. 
Lockhartia Weigelti Reichb. et Reichb. f.! ex Reichb. f. in 
Bot. Zeit. X. 767 (1852), Xenia Orch. I. 100 et 104. tab. 40. 
I. et fig. 1 et 2, în Nederl. Kruidk. Arch. IV. 325, in Walp. 
Ann. Bot. VI. 820, în Linnaea XLI. 126 (L. Weigeltiana). 
RADICES numerosissimae, dense fasciculatae, filiformes, longiusculae, 
tortuosae, cinereae, leviter ramosae. CAULES saepius numerosi, fasciculati, 
leviter compressi, 12—30 cm. longi, 1!/»5—3 mm. lati. FoLia rigida vel 
rigidiuseula, saturate viridia, subtiliter multinervulosa nervulis satis 
clathrato-ramosis, 12—15 mm. longa, 4—6 mm. lata, ad basin et ad apicem 
caulis leviter decrescentia. PEDUNCULUS communis leviter flexuosus, teretius- 
culus, 1/2—2 cm. longus. PEDICELLI capillares, recti vel paulo arcuati, 
cum ovario filiformi teretiusculo 7—10 mm. longi. BRACTEAE patulae, 
albidae, subtiliter plurinervulosae, 3-4 mm. longae. FLORES albidi, intus 
purpureo-punctati. SEPALA PETALAque valde concava, subtiliter trinervu- 
losa, circiter 4 mm. longa, 2—2'/2 mm. lata. LABELLUM satis concavum, 
subtiliter multinervulosum, 4—5 mm. longum, superne 3 mm. latum. 
CoLUMNA vix incurva, 1—1!/» mm. longa. 
vel nutans, anguste oblonga, obscure trigona, basi longiuscule acuteque 
attenuata, apice subrotundata, paulo obliqua, sordide fuscescens, 12 ad 
15 mm. longa, 3!/a—5 mm. crassa. 
Habitat in prov. Pará: Sir Everard Home m. 366. Etiam in 
Guiana gallica prope Cayenne: Hothery m. 46; ad Roura: Sagot; in 
Surinam: Hostmann n. 366 part. et 685a; ad Paramaribo: Weigelt; in 
arboribus secus flum. Surinam super.: Wullschlaegel n. 549; ad truncos 
arborum Surinami prope plantationem Berlyn: Splitgerber n. 722; in 
sylvis prope Vaderzorg: Kegel n. 628; in Guiana anglica: Pollart n. 65, 
Appun n. 1646, Jenman m. 1970; secus fum. Corentyne et in districtu 
Pomeroon: E. F. im Thurn; in Venezuelae prov. Caracas prope coloniam 
Tovar: Fendler n. 1432; in Ecuador prope Guayaquil: Herb. Kew.; in 
Mexico ad Teoxomulco: Karwinski teste Hemsley. — Floret Martio ad 
Augustum. 
3. LOCKHARTIA MICRANTHA Rese. F. caulibus 
ascendentibus, longiusculis; foliis satis parvis, subcoriaceis, 
erecto-patulis, laxiuscule imbricatis, anguste triangularibus, 
apice rotundato-subtruncatis ; pedunculo communi subterminali, 
patulo vel nutante, filiformi, simplici vel leviter ramoso, 
pauci—plurifloro, foliis saepius satis longiore; bracteis minutis, 
hyalinis, ovatis, acutis, basi cordatis vel rotundatis; floribus 
minutis, breviter pedicellatis, segmentis subaequilongis, tenuiter 
membranaceis, erecto-patulis; sepalis oblongis, acutis; petalis 
flabellatis, acutiusculis; labello subsessili, inferne distincte 
trilobato, lobis margine integerrimis non vel vix undulatis, 
basilaribus elongatis, patenti-retrorsis, anguste linearibus, 
apice acutiusculis, terminali amplo, late obtuseque rhombeo, 
apice minutissime acuteque bilobulato, disco basi breviter 
calloso et ad medium minutissime bicorniculato, callo depresso, 
basi incrassato, anguste obovato, laevi, antice obtuse bilobato, 
corniculis antrorsis divaricatis; columna brevissima, crassius- 
cula, alis antieis, mediocribus, acute triangularibus, margine 
superiori denticulatis. 
Orchid. III. 
CaPsULA plus minusve patula. 
ORCHIDACEAE: 
LOCKHARTIA. 454 
Lockhartia micrantha Reichb. f.! in Bot. Zeit. X. 768 
(1852), Xenia Orch. I. 100 et 106. tab. 40 IV. et fig. 8—9, in 
Walp. Ann. Bot. VI. 820; Hemsl. Biol. Centr.-Amer., Bot. 
144.291: 
CauLES plures, fasciculati, usque 30 cm. longi, 1'/:—2 mm. crassi. 
FoLia rigidiuscula, 1'/:—2 cm. longa, 4—6 mm. lata, ad basin et ad 
apicem caulis valde decrescentia. PepuxcuLus communis satis flexuosus, 
teretiusculus, 1—2 cm. longus, ramis patulis, brevissimis. PEDICELLI patuli, 
capillares, leviter arcuati, cum ovario filiformi-clavato teretiusculo 4 ad 
6 mm. longi. BRACTEAE plus minusve patulae, satis concavae, uninerviae 
et pluriveniae, 2'/2—3 mm. longae. SEPALA PETALAque leviter concava, 
9—9!/; mm. longa. LABELLUM satis concavum, circiter 2'/» mm. longum, 
supra medium 1°/4—2 mm. latum, lobis basilaribus 1/4 mm. latis. CoLumna 
leviter incurva, vix 1 mm. lata. CapsuLa ignota. 
Habitat in Surinam: Hostmann n. 366 part.; in Guiana anglica : 
Schomburgk n. 85; in Columbia occidentali et Panama: Cuming n. 1298; 
in Veraguas: Hinds; in Nicaragua: R. Tate n. 459. In Brasilia septen- 
trionali forsan adhuc invenienda. 
4. LOCKHARTIA LUNIFERA Rrrcus. r. caulibus 
erectis vel erecto-patulis, longiusculis; foliis satis parvis, sub- 
coriaceis, suberectis, densiuscule imbricatis, anguste triangu- 
lari-ligulatis, apice rotundatis vel interdum subtruncatis; 
pedunculo communi saepius subterminali, patulo vel nutante, 
filiformi, simplici, paucifloro vel interdum unifloro, foliis 
saepius paulo longiore; bracteis minutis, hyalinis, late ovato- 
suborbicularibus, acutis et interdum minute apiculatis, basi 
leviter cordatis; floribus mediocribus, longiuscule pedicellatis, 
segmentis tenuiter membranaceis; sepalis subaequilongis, dor- 
sali erecto vel erecto-patulo, late obovato, apice late rotundato 
vel subretuso, lateralibus reflexis, ovatis vel late oblongis, 
apice abrupte acutis vel minute apiculatis; petalis late ob- 
longis, apice obtusis vel interdum leviter retusis, basi paulo 
constrictis, subtiliter trinervulosis nervulis simplicibus, sepalo 
dorsali paulo brevioribus; labello patenti-reflexo, sepalis late- 
ralibus satis longiore, sessili, inferne profunde trilobato, lobis 
basilaribus elongatis, divaricatis, erecto-incurvis, anguste 
linearibus, acutis vel acutiusculis, basi antice leviter con- 
strictis, faleatis, margine integerrimis, lobo terminali magno, 
ambitu obovato-quadrato, lateribus quadrilobulato, lobulis late- 
ralibus posticis semirotundatis reflexis, sinu interjecto magno, 
lobulis anticis profunde divisis apice undulato-crenulatis, disco 
basi callo crassiusculo cordiformi munito, fere usque ad apicem 
densiuscule squamuloso; columna brevi, crassa, alis patentis- 
simis, latis, obtusiuscule triangulis, margine superiori undu- 
lato-denticulatis, stigmate verticali, rimaeformi. 
Tabula nostra LIX. Fig. II (habitus cum analysi). 
Lockhartia Lunifera Reichb. f. in Bot. Zeit. X. 767 (1852), 
Xenia Orch. I. 101 et 103. tab. 39. III. et fig. 8—12, in Walp. 
Ann. Bot. VI. 821; Barb. Rodr. Struct. des Orch. tab. 13. 
fig. 5; Pfite. in Engl. und Prantl, Natürl. Pflanzenfam. II. 6. 
p. 203. fig.222; Stein, Orchideenb. 312; Kerch. Livre des Orch. 
48. fig. 25. 
Fernandezia lunifera Lindl. in Bot. Regist. XXV. Misc. 
147 (1839); Walp. Ann. Bot. VI. 821. 
Fernandezia robusta Klotesch ex Reichb. f. Xenia Orch. 
I. 101 (non Batem.). 
58 
