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A. Labellum trilobum. 



a. Lab. lob. lineares, interm, duplo longior 



quam later., flores calvi 161. H. tchneumonea {Swtwlz) Un\]l 



b. Lab, lob. lanceoK acufi, inlermedius pauHo 



longior 168. IL ellipticayVi-hi 



c. Lab. lob. lin., intermed. paulo long., antherae 



canal, brevior, qu. process 1G9. H. ZoUingeri Rbch, f. 



d. Lab. lob. Hn., intermed. latior brevior, an- 

 therae canal, longiorcs qu* proc 170. i/. commcIijnifoUa Wall. 



B. Labellum tripartitum. 



a. Caules calvi, 



a. Calcar ovario bene brevius 171.//. fusifcra Hook, f, 



p. Calcar ovario fere aequilongum v. vix 

 brevius. 



§ Canales anther, brevioresquam process. 172. IL avana Rook. f. 



§§ Ganalesanthcr. longiorcs quam process. 173. H. af fin is Wii^hi 



. . .174. //. Irlfurcata lluok, f. 



, . ,175. //. spathulaefolia Vnv. ot lU)ch. f. 

 . . .176. //. ovalifoUa Wight 



O Fetalis linearibus rectis . . 

 CO Fetalis lanceolalis falcatis , 

 Y. Calcar multo longius qu. ovarium . 

 b, Caules pilosi. 



rf., Sepala omnia Iriangula obtusa Ml, IL vidua l^ar. et Rbch. f. 



^. Sep. dors. cucuUat,, lat. obovata 



178, //. muricata Rbch, f. 



167. H. ichneumoiiea{Swariz}LindI. Sepalis doflcxis^ dorsali ohiongo 

 oMuso, lateralihus valde inaequilateris obovalibus bosi cunealis apiculo jux- 

 laposilo; pelalis latoralibus siinplicibus linearibus medio pauUum dilalalis 

 (s. longissimc rliombeis), margine papillosis; labcllo basi simplici delude Iri- 

 parlilOj laciniis linearibuSj inlermedio duplo fere longiore (piam latcrales; 

 calcari curvaio labcllo sublongiore apicc inflalo; processubus stigmalicis 

 labelli lobis lateralibus aequilongis, caualibus pollinioruni cis sublongioribus 

 el duplo longioribus quam slipiles ipsi ; roslcllo lincari paullo brcviore 

 quam anthera. 



//. ichneumonca Lindl.j Orch. p, 313. 



Orchis ichneumonca Swariz, in Pers., Syn, IL 506. 



Planta gracilis, 50 — 75 cm alta, tuberibus subrotundis v. ovalibiis in plautis juni- 

 oribus pedunculatis. Folia longe-lanceolata v. lineari-lanceolata, acuminata, 12 — 15 cm 

 longa, 1,5 — 2 cm lata, scquun(ur folia minora 1 — 2, deindc vaginae braclescentes in 

 bractcas dccrcsccnlcs ; raccmus pluriflorus laxidorus; bracteac vix dimidium ovarii 

 longc pcdiccUati aequantes, acuminalae v. aristatac; ovarium cum pedicello 2 — 2,5 cm 

 longum; flos diametro fere 1 cm, viridis; omnes floris partes 1 cm longae vcl vis. 

 longiorcs ant breviores, reclinalae. 



M 



Africa oecid. trop.: Sierra Leone (Afzklris) ; Angola (Welwitscu); 

 Gabungebiet^ Sibange-Farm (Soyaux n. 346). 



*(Ex. specim. Mus. Brit., lierol. Welwifschiana et Soyauxiana numcrosa!) 



168. H. elliptica Wight. Sepalis ovatis acutiSj intermedin niinulissime 

 denliculalOj lateralibus mullo majoribus deflexis; pctalis lateralibus ovatis 

 oblusis; labello a basi medium usque integro unguiculalo deindc 3-lobo. 

 lobis lanceolatis acutiSjintermedio paullo longiore; calcari ovario acquilongo 

 filiformi apiee clavato; toto flore intus puberulo; processubus stigmaticis 



