852 BULLETIN DE L'HERBIER BOISSIER. (29) 



et Zeyher; in monte Steenberg, Oct. 1815 — Bergins; In clivis montium 

 ad cataractam Tulbaghensem, alt. c. 1000 ped., Nov. — Zeyher, H. Bolus, 

 n° 5282; In collibus prope Wellington — Miss Cummings; In planitie 

 prope paguni Ceres, alt. 1500 ped., Dec.-Jan. 1888 — H. Bolus; In collibus 

 prope Zuurbraak, alt. 1000 ped., Oct. 1894 — R. Schlechter, n° 5706; 

 Juxta rivulum Vette River prope Riversdale, alt. 350 ped. Nov. — Bur- 

 chell, n° 6605 (1814), R. Schlechter, n<> 1978 (1892); In clivis montium 

 Onteniquabergen, Nov. 1819 — Mund; In planitie prope Knysna — 

 Bowie. 



Da uns neuerdings Bolus mit einer vorzüglichen Tafel dieser Art 

 beschenkt hat, so unterlasse ich es hier, viele Bemerkungen über die 

 Pflanze zu machen. 



Sie ist am nächsten verwandt mit P. excisum Ldl. 



20. Pterygodium excisum Schltr. 



Herba erecta, humilis, glaberrima, 8-13 cm. alta; caule stricto foliato; 

 foliis subdistichis erecto-patentibus linearibus acutissimis, basi dilatata 

 vaginantibus, inferioribus ad 7 cm. longis, superioribus sensim mino- 

 ribus, suberectis; spica oblonga vel (in speciminibus robusüoribus) bre- 

 viter cylindrica, 2,5-5 cm. longa, 1,5-2 cm. diametro; bracteis herbaceis, 

 late ovatis subacutis vel obtusis, basi ovarium sequilongum vel paulo bre- 

 vius amplectentibus; floribus in genere minoribus, subglobosis, erecto- 

 patentibus; sepalis lateralibus patulis membranaceis in laminam subor- 

 bicularem apice vix usque ad medium excisam, partitionibus obtusis, 

 0,4 cm. longam, concavam connatis, sepalo dorsali oblongo, apice incurvo 

 obtuso, 0,5 cm. longo, 0,2 cm. lato; petalis valde obliquis, si licet sub- 

 rhomboideis apice subfalcato-incurvis obtusis, valde concavis vel potius 

 subsaccatis, sepalo dorsali sequilongis; labello sessili obcordato, patula, 

 vix 0,3 cm. longo, apice 0,3 cm. lato, appendice erecto carnoso unguicu- 

 lato, unguiculo carinato, in laminam suborbicularem antice excisam sub- 

 horizontalem dilata to, unguiculo vix 0,2 cm. alto, lamina 0,2 cm. diame- 

 tiente; ovario oblongo, apice rostrala, 0,7-0,8 cm longo. 



Corijäum excisum Ldl., Gen. Spec. Orch. (1839); p. 368; Bol. Orch. 

 Cape Penins. (1888), p. 182, t. 20. 



Habitat in Africa australi. 



In regione austro-occidentali : In arenosis Rondebosch prope Capetown, 

 alt. 50 ped., Oct.-Nov. — H. Bolus, n» 4832 (Herb. Norm. Austro-Afr., 

 n° 180); In clivis montis Muizenberg, alt. 800 ped. Dec. — H. Bolus; In 

 montibus prope cataractam Tulbaghensem, Nov. — Eklon et Zeyher, 



