— 47 — 



This species is certainly distinct from Ph. pauci^lorus Bi.. Iheflowers 

 are differentiy coloured, tlie ciineate lip iiearly lacks side lobes, and is 

 giabrous and provided witli two distinct parallel keels t.erminating al)rnptly 

 in '/4 below tlie apex, the spur distinctly widened at tlie base, and tlie 

 coluinii is nuich dilated at the base and ttie apex. 



Tlie description of the végétative parts usants revision after liviiig 

 spécimens. 



Description froin dried spécimens and materiais preserved in alcohol. 



„Pedicei pale greenish, ovary light green with pale ridges, sepals and 

 petals lemon yellow paler towards the base, lip lemon yellow, base white 

 tinged wiih yellow, the keels golden yellow on the apical half, white to- 

 wards the base, spur traiisparently white, column yellowish white, the wiiigs 

 a little more yellow, anther waxy white." (E. Jacobson). 



P h a j u s I a b i a t u s J. J. S. n. sp. 



Rhizoma validum, adscendens, brève, radicans, cylindriciin, brevinode, 

 1.3-1.7 cm. diam. Gaules approximati, validi, elongati, basi incrassati, 

 teretes, superne foliati, inferne vaginis longis tubulosis mox fatisceiitibus 

 donati, 50 cm. superantes, supra basin conicam ad c. 0.9 cm. diam., inter- 

 nodiis ad c. 8—9 cm. longis. Folia c. 6, patentia, elliptica ad lanceolata, 

 inferiora breviter superiora longe acute acuminata, iiifima basi brevissime 

 contracta subsessilia, superiora petiolata, crispula, glabra, nervis validioribus 

 c. 5—7 supra sulcatis subtus prominentibus, veiiis teiiuioribus intermixtis, 

 siccopapyracea. c. 6.5— 24 cm. longa, 2.7— 9cm. lata, superiora quam inferiora 

 majora; petiolus canaliculatus, brevis; vaginae tubulosae, nervis prominen- 

 tibus angulatae, amplectentes. Inflorescentiae e nodis caulium infra folia, 

 erectae, laxe pauciflorae, pedunculo tereti, c. 5.5—8.5 cm. longo, basi non- 

 nullis vaginulis tubulosis superne vaginula 1 bracteiformi donato, rachide 

 c. 2.2 — 2.6 cm. longa. Bracteae patentes, lanceolatae, concavae, furfurriceae, 

 ad c. 2 cm. longae, 0.7 cm. latae. Flores 2 — 3, médiocres, c. 4.75 cm. longi 

 Sepalum dorsale oblongo-ellipticum, apice recurvum, subacutum, brevissime 

 apiculatum, 7nervium. c. 3.2 cm. longum, 1.35 cm. latum. Sepala lateralia 

 oblique eliiptico-oblonga, vix sigmoidea, apice recurva, acula, subulato- 

 apiculata, intus in utraque parte canaliculae longitudinalis convexa. Costa 

 média dorso obtuse prominente, 7nervia, c. 3.25 cm., margine antico 3.5 cm. 

 longa, 1.25 cm. lata. Petala oblique elliptica, apice recurva, acuta, apiculata, 

 undulata, magnam partem concava, 7nervia, costa média dorso sulcata, c. 

 3.3 cm. longa, 1.5 cm. lata. Labellum gynostemio brevissime adnatum, 

 calcaratum, simplex, totum explanatum c. 3.65—4.8 cm. longum; lamina 

 magna, concava, subtus vix ventricoso-convexa, apice recurva, undulata, 

 medio papilloso-puberula, costis 2 parallelis convexis paulum infra apicem 

 gynostemii altissimis papillosis ultra apicem gynostemii evanescentibus haud 

 in calcar decurrentibus, subtus longitudinaliter sulcata, explanata quadrangula 

 vel oblongo-quadrangula, V2— ^5 partibus superioribus paulo dilatata, 

 late rotundata, apice saepe obtusangule refusa, angulis basilaribus plus 

 minusve rotundata, 7nervia, c. 2.4—3 cm. longa, superne c. 1.3— 2. 35 cm., 



