TAB. 75. 



Tribe Ophryde^. 

 Sub-tribe CORYCIE^. 

 Genus Pterygodium. 



Pterygodium alatum, Swar/z, in Konol. Velensk. Acad. 

 Ha7idl., vol. xxi. (1800), p. 2] 8. — Herba erecta glabra pusilla, 

 exsiccata atrata, 7-15 cm. alta ; caulis strictus vel subflexuosus, 

 basi foliosus ; folia patentia vel erecto-patentia, lanceolata, 

 acuminata vel acuta, margine interdum undulata, sensim de- 

 crescentia, 2 "5-5 cm. longa ; racemus s^pe sublaxus, 4-12fl., 

 floribus adscendentibus ; bracteae ovatae acutae, ovario aequilongae 

 vel breviores ; sepala lateralia patentia vel patenti-deflexa, oblique 

 lanceolata, acuta, 0*8-0'9 cm. longa ; sepalum impar erectum 

 concavum lanceolatum acutum, lateralibus aequilongum ; petala 

 erecta concava, circuitu cuneato-obovata, margine exteriore crispu- 

 latavel irregularlter crenulata, sepalo impari subaequilonga ; labelli 

 limbus deflexus, 1 cm. latus, Slobus, lobis lateralibus divaricatis, 

 circuitu suborbicularibus, margine crenulatis, lobo intermedio 

 dentiformi lanceolate, appendice erecto, apice incurvo, subangusta, 

 supra medium utrinque lobata ; rostelli brachia glandulifera ad- 

 scendentia ; anthera brevissima. [Ex exempli, plur. viv. exsic- 

 catisque.) Ker, m Joiirn. Sci. R. Inst., vol. viii. (1820), /. 3, y. 2 ; 

 Ophrys alata, Thunb., Prodr. PL Cap., p. 2. 



Hab. : South-western Region ; Cape Peninsula, grassy 

 places or near bushes, lower slopes of the Devil's Peak, nr. 

 Wynberg, Mowbray, etc., alt. 15-90 met., fl. Sept., Ecklon, 673, 

 Bolus, 3930 ! Wolley-Dod, 498 ! nr. Stellenbosch, Miss M. 

 Farnham! (Herb. Norm. Aust.-Afr., 387.) Near WelUngton, fl. 

 Aug., Miss M. E. C%immings ! Artois, prope Tulbagh, alt. 210 

 met., fl. Aug., Bolns, 13510! nr. Piquetberg, alt. 180 met., fl. 

 Sept., R. Schlechter, 6186! Pakhuis Pass, Cedarbergen, alt. 900 

 met., fl. Oct., Bolus, 13511 ! Voormansbosch, fl. Sept., Zeyher, 

 3948 ! nr. Knysna, alt. 210 met., fl. Aug., Tyson, 2992 ! 



Plate 75. Fig, 1, flower, front view, mag. 3 diams. ; 2, 2, 

 side sepals ; 3, odd sepal ; 4, 4, petals — all mag. 2 diams. ; 5, 

 column and lip, back view ; 6, ditto, lip removed, g, gland ; 7, one 

 of the pollinia, with separate pollen grains — variously magnified. 



