472 ORCHIDES. 



CHYSIS. 



B. Mag. XI. N. S. 3617. — Rchb. fil. Bonpl. 11. 22: Caracas. 5000'. April. In Ca- 

 racas elne grosse Selienheit, in Neu - Granada hauflger, ich besitze sie auch aus Pa- 

 nama. Wagener. 



var. maculata Hook: sepalornm petalorumque parte superiore aureo- 

 fusco tincta, labelli medio purpureo maculato 



Hook. bot. mag. tab. 4576. (April 1851). Lem. Jard. Fl. II. ib. 121. Van Houit. Fl. 

 VII. 671. 



2. CHYSIS BRACTESCENS Lindl. B. Reg. XXVI. 1840. Misc. 131 : 



Bracteis cucullalis venosis foliaceis ovario Inngioribus, sepalis petalis- 

 que ovatis obtusis, intermedio carnoso bilobo plicato lamellis 5 carnosis 

 aequalibus, parallelis basi pubescentibus, columna latissima carnosa 

 cymbiformi antice pubescente. 



B. Reg. XXVI. 1840. sub Misc. 130: 



The other (species) has white flowers with a deep yellow fleshy lip, which is di- 

 \ided into two lobes , each folded twice so as to give the whole ihe appearance of 

 being four lobed. 



B. Reg. XXVIL (1841). 23: 

 Cauies fusiformes carnosi, palmares. Folia ovato-lanceolata, basi cu- 

 cullata, imbricantia, undulata, acuminata, supplicata. Racemus lateralis, ho- 

 rizontalis, folio brevior, 4 — 5 florus. Bracteae magnae, foliaceae, reti- 

 culatae, obtusae, concavae, cucullatae, laxae, ovario longiores. Flores 

 magni, cerei . candidi, coriacei. Sepala lateralia dorsali latiora, obtusa, 

 margine incurva. Petala oblonga, erecta, obtusa , basi angustata. 

 Van Houtt. FI. des Serres. VIL 675. 



3. CHYSIS LAEVIS Lindl. B. Reg. 1840. XXVL Misc. 130: 



Bracteis brevibus ovatis pedicelli longitudine, sepalo dorsali lineari- 

 oblongo, lateralibus acuminatis , petalis falcatis apice rotundatis supra 

 columnam convergentibus, intermedio membranaceo crispo subrotundo 

 emarginato , lameliis 5 carnosis glaberrimis parallelis, lateralibus raino- 

 ribus, columna basi alte excavata. 



Barker. Very large yellow flower , whose lip is spotted with dull brown, and more 

 • membranous than in the others; and it is remarkable for its column becoming hard 

 and very tumid after fertilization has occurred, and eventually acquiring a green 

 colour. 



Batem. Orch. Mex. Guat. tab. 31. 



Obs. Species me judice optimae. Chysis Limminghei Lmd. Rchb. til. ;ipsa luce 

 deflciente. noctu. facillime nonnisi tactu a C. aurea distingui potest. Hujus label- 

 lum apice crispolobaium, illius apice planura. 



1397/s, Ii:i.£.E:A]VTHlJS Presl 



Reliq. Haenk. 97. 



Perianlhium ringens pentasepalum, sepalis tribus exterioribus ovato- 

 lanceolalis , duobus interioribus linearibus apice et in basi incra^satis 

 brevioribus. Labellum paulo longius, lanceolatum. Gynostemium ereclum, 

 antice sulco exaralum. Anthera sessilis decidua, operculo horizontali 

 cnrvafo tecta, loculis approximatis. Pollinis massae quatuor? cereaceae. 



Herbae parasiticae. Radices intricatae. Scapi foliosi simplices. Folia elevato-ner- 

 vosa. Spica lerminaiis pauciflora disticha. rhachi flexuosa. Bracteae magnae , '.Dores 

 involucrantes et illis longiores. Ovarium subobliquum. 



