TAB. 89. 



Tribe Ophrydeae. 



Sub -tribe Corycieae. 



Genus Disperis. 



Disperis, Stvartz, in Komjl. VetensJc. Acad. Nija Hcnidl., vol. xxi, /). 218 

 (1800), char, emend. — Sepalum posticum coucavum cucuUatum vel 

 galeatum cum petalis in galeam antice apertam vel fere clausam con- 

 nivens vel saepius agglutinatum, lateralia libera patentia dorso plus 

 minus saccata vel calcarata, saccis in aestivatione pro recipiendis 

 brachiorum rostelli. Labellum polymorplium, basi saepissime angustum 

 raro ampliatum columuae adnatum erectum sub galea retractum, sursum 

 saepissime appendice majuscula multiformi bipartita vel bilabiata auctum, 

 rarissime simplex. Columoa brevis ; anthera resupinata liorizontalis vel 

 adscendens, loculis parallelis adnatis, pollinia in loculis solitaria granu- 

 losa, grauulis saepissime disticbis, glandulis cum caudiculis discretis 

 saepius cartilagineis. Eostellum inter Orcbideas indole et maguitndine 

 insigne, valde dilatatum triangulare vel ovatum margine deflexo, supra 

 antberam incumbens eamque saepius superans, basin versus in bracbia 

 glandulifera cartilaginea torta vel rarius recta, porrecta vel divaricata, 

 productum. Stigma bilobum vel bipanitum subanticum, lobis utroque 

 latere unguis labelli positis. Capsula erostris clavata vel cylindrica. — 

 Herbae terrestres saepius tenerae. Folia pauca radicalia vel caulina 

 saepissime dissita, augusta vel ampliata. Inflorescentia spicata vel 

 racemosa, multiflora, pauciflora vel uniflora. Bracteae herbaceae 

 lanceolatae ovatae vel suborbiculares, saepius Acres subaequautes. — 

 Species 35-40, praecipue Africa Australis incolae, in Afr. tropica, insulis 

 africanis, et India late dispersae. 



Disperis capensis, Su-artz, in Konrjl. Vetensk. Acad. Xija Handl., vol. 

 xxi, /). 220, t. iii, fir/, f. (1800) ; Ker, iii Joiirn. Sci. R. Inst. Lond., vol. v, 

 t. 1,/. 2 (1818) ; Lindh'ii, Gen. d- Sp. Orch., p. 370 (1839).— Herba erecta, 

 spithamaea ad pedalem vel ultra ; caulis bifoliatus strictus vel sub- 

 flexuosus basi pilosus sursum glaber; foba remota erecto-patentia lan- 

 ceolata vel lineari-lanceolata acuminata basi laxe vaginautia, 4-6 cm. 

 longa ; flos solitarius vel rarissime 2 racemosi, bracteis foliaceis ovario 

 subaequilougis ; sepala lateralia patentia lanceolata setaceo-acuminatis- 

 sima, circa 2 cm. longa, medio obtuse saccata ; sepalum impar cucul- 

 latum apice dorso saccatum antice in appendicem erectam bliformem 

 tubulosam productum ; petala subrbomboidea concava incurva, angulis 

 rotundatis ; labellum basi liueare sursum ampliatum lanceolatum apice 

 decurvo-uncinatum muticum vel pone apicem appendice lanceolata 

 lacerata vel Integra auctum ; rostellum cordatum subobtusum, bracbiis 

 tortis erecto-incurvis ; polliniis demptis cite involutis. {Ex exempli, plur. 

 viv.) — Arethusa capensis, Linnaeus ji I. Snppl., p. 405 (1781); Dipera 

 capensis, Sprengel, Si/st. Veg., iii, p. 696 (1826) ; D. tenera, Spremjcl, 

 loc. cit. 



Hab: South-western and South-eastern Regions; Cape Colony: 

 plains and mountains from Cape Town to near Grabamstown ; on the 

 Cape Peninsula from tbe foot to near tbe summit of Table Mt. (1075 

 meters), fi. July-Aug., frequent, sometimes abundant, many collectors. 



