TAB. 16. 



Tribe Ophryde^. 



Sub-tribe Habenarie.^. 



Genus Habenaria. 



Habenaria tetrapetala, Beichcnhaclifil-,in Flora p. 180 (1865). — 

 Herba erecta glabra, 30-90 cm. alta. Caulis pauci- vel dense multi- 

 foliosus ; folia plura valida sub-erecta, vel pauca laxaque, angnste 

 lanceolata acuta, basi vaginantia nervata, sensim in bracteas foliaceas 

 abeuntia ; racemus oblongus, laxe multiflorus, 5-6 cm. diam. ; flores 

 patentes ; bractere anguste lanceolatae acuminatae, ovariis breviores ; 

 sepala lateralia oblique ovata obtusa apiculata reflexa, circa 8 mill, 

 longa ; sepalum impar oblanceolatum obtusum concavum erectum 

 aequilongum ; petala fere ad basin bipartita, segmentum postering 

 lineare erectum, sepalo impari saepius fequilongum, segmentum anterius 

 multo brevius ovatum vel ovato-lanceolatum obtusum basi breviter 

 unguiculatum ; labellum tripartitum, segmentis linearibus, intermedio 

 circa 8-9 mill, longo, lateralibus brevioribus latioribus, divaricato- 

 patentibus, calcare filiform! , apicem versus inflato, pedicellum cum 

 ovario paullo superante ; clinandrium breve ovatum concavum erectum ; 

 rostellum inter plicas erectum subulatum acuminatum, basi in brachia 

 recta vel subincurva protrusa productum ; processus stigmatiferi clavati, 

 brachiis rostellaribus subaequilougi ; ovarium cum pedicello curvum 

 2"5-3 cm. longum. {Ex exempli. 2 civ., pluribusqne exsiccatis). Bila- 

 brella falcicornis, Limlley, Bot. Eer/., sub t. 1701 (1835) ; Bonatea 

 bilabrella, Lindle,/, Gen d- Sp. Orch. p. 328 (1835) ; B. tetrapetala, 

 Lindley, in Comp. Bot. May., vol. ii, p. 208 (1836) ; H. falciformis, 

 Bolus, in Journ. Linn. Soc. (Bot.) vol. xix, p. 340 (1882); H. tetramera, 

 Balm, ih. p. 340 (1882). 



Hab : South-eastern Region ; Cape Colony : Knysna ; Van 

 St&den's Berg, Ecklon i{- Ze)jher : Zuurbergen, Febr., Hallack; Cold- 

 stream, near Grahamstown, Marcb, Glass; marsby places near Kokstad, 

 alt. 1540 met., Febr., Tyson 1071 (Herb. Norm. Aust.-Afr. 477).— 

 Pondoland : near St. Andrew's Mission Station, alt. 300 met. Tyson, 

 3080. — Natal: McKoid Gerrard, 11. — Trans- Vaal Eepublic : grassy 

 mt. sides near Barberton, alt. 1475 met., Mch.-Apr., Galpin, 877. 



Plate 16. Fig. 1, flower, front view; 2, ditto, side view, both 

 magnified 2 diameters; 3, odd sepal ; 4, side sepal ; 5, petal, — all the 

 latter magnified about 3 diam. ; 6, column, front view ; 7, ditto, side 



