13() MKCHIDACKOrs FLOKA OF QI'EENSLANI). 



3. Habenaria divaricata, sp. n<>v. 



I'lanta subrobusta, circiter 62..") cm. alta. Folia 3 vel 4, sessiiia, 

 basibus vaginiformia, alternata, ascendentia, in bracteas foliaceas 

 gradatitii transeuntia. Bracteae circiter 6 ; inferae lanceolatae, i 8 cm. 

 longae ; superae subulatae, zh 3 cm. longae. Spica subdensa, Jz 9 cm 

 longa. Flores fere sessiles ; bracteolae subulatae, ovariis paulo breviores ; 

 ovarium cylindraceum, r!i l.'J cm. longum. Sepalum dorsale anguste 

 ovatum, obtusiusculum, 3-.5-nervosum, zb 4.5 mm. longum, 2 mm. latum ; 

 sepala lateralia semiovata, obtusiuscula, 3-nervosa, sepalo dorsali longiora, 

 ih 6..5 mm. longa, ib 2.2-5 mm. lata ; petala cum sepalo dorsali 

 conniventia, falco-lanceolata, obtusiuscula, 3 nervosa, rb 5 mm. longa, 

 in 1 mm. lata. Labellum i 6 mm. longum, ])rofunde tripartitum ; 

 partitio intermedia anguste linearis, apice obtusiuscula, subter 

 canaliculata, zb 5 mm. longa ; partitiones laterales anguste lineari- 

 lanceolatae, divaricatae, acuminatae, i 2.5 mm. longae ; basi callus 

 semicirculus ; calcar lineari-teres, clavatum, ± 10 mm. longum. Columna. 

 brevis ; staminodia lateralia, verrucosa, prope a basit)us canalium 

 antherae ; canales processus stigmaticos fere aequantes ; processus 

 stigmatosi longiusculi, carnosi, glandulosi, suboblongi, porrecti, apicibu» 

 fotundati. 



Plant moderately robu-st, about 62.5 cm. high : a sheath- 

 ing .scale at the extreme base. Leaves 3 or 4, sessile, witk 

 vaginate bases, alternate, ascending, lower ones imbricate^ 

 merging insensibly into stem bracts : increasing in length 

 but decreasing in width from below upwards ; the lowest, 

 near the base, ovate, about 4 cm. long ; the next in 

 succession about 11. o cm. long. 1.5 cni. wid(^ ; the third 

 in succession about 13 cm. long, 0.75 cm. wide ; stem-bracts 

 about six, diminishing in length from below upwards ; the 

 lower ones lanceolate. S cm. or less in length ; the upper 

 ones subulate, about 3 cm. long. Spike rather dense, 

 about cm. long. Flowers nearly sessile : bracteoles 

 subulate, somewhat shorter than the ovaries : unimpreg- 

 nated ovar}- cylindrical, al)out 1.5 cm. long. Dorsal 

 sepal narrowly ovate, blunt, 3-5 nerved, about 4.5 mm. 

 long, 2 mni. \\ide ; lateral sepals semi-ovate, rather blunt,. 

 3 nerved, longer than the dorsal sepal, about 6.5 mm. 

 long, 2.25 mm. Avide ; petals connivent with the dorsal 

 sepal, falco-lanceolate, rather blunt, 3 nerved, about 5 

 mm. long, about 1 mm. Avide. Labellum about 6 mm. 

 long, deeply ti'ipartite ; middle division narrow linear,, 

 apex rather blunt, channelled below, about 5 mm. long ; 

 lateral divisions narrowh- linear lanceolate, divaricate, 

 acunUnate, about 2.5 mm. long : semi-circular callus at the 



