121 



c. 0'9 cm. longus. Ovarium pedicellatum clavatum, minutissime furfuraceo- 

 puncticulatum, c. l - 25 cm. longum. 



Hal. Arfak Mts., Angi lakes, epiphytic in forest patch by ? lake, 7000'. 

 Dec. 5712. 



Amongst the small-flowered purple or pink coloured species of the section 

 Cali/ptrochilus this one differs from D. roseum Schltr. in its lonf acuminate 

 leaves, smaller flowers, and much broader lip without callus. 



The flowers are pink. 



DKNDROBIUM ( CALYPTROCHILUS) INFRACTUM J. J. S. in Fedde Rep. xii. 

 (1913) 118 ; in Nova Guinea, xii. 340, t. cxxiii. 225. 



Arfak Mts., Koebre' ridge between <$ and ? lake, terrestrial on burnt 

 open summit plateau, 9000'. Fl. Dec. 5655. 



Distrib. New Guinea (D.N.W., Arfak Mts., Gjellerup). 



DENDROBIUM ( CALYPTROCHILUS) RIPARIUM J. J. S. in Fedde Rep. xii. 

 (1913) 117 ; in Nova Guinea, xii. 343, t. cxxiv. 227. 



Arfak Mts., Angi lakes, forest patch by ? lake, epiphytic in forest, 7000'. 

 Fl. Dec. 5896. 



Distrib. New Guinea (D.N.W., Arfak Mts., Gjellerup). 



DENDROBIUM ( CALYPTROCHILUS) FRUTICICOLA J. J. S. in Fedde Rep. xii. 

 (1913) 116 ; in Nova Guinea, xii. t. cxxv. 229. 



Arfak Mts., Angi lakes, terrestrial in open marsh by ? lake, growing ia 

 patches, abundant, 7000'. Fl. Dec. 5510. Forest patch by ? lake, 7000'. 

 Fl. (orange). Dec. 5553. Koebre ridge between and ? lake, terres- 

 trial on open burnt summit plateau, 9000'. Dec. 5608. 



Distrib. New Guinea (D.N.W., Arfak Mts., Gjellerup). 



The flowers show the same slight differences as in the original specimens. 

 DENDROBIUM ( CALYPTROCHILUS) PARVIFOLIUM J. J. S., sp. nov. 



Planta parva (?). Caulis ramosus, valde flexuosus, sicco longitudinaliter alte 

 suleatus, pars adest 13'5 cm. longus, internodiis c. O'G-O'S cm. longis. Folia parva, 

 patentissiina, oblongo-ovata, apicem versus angustata, breviter acuta, apiculata, 

 prsesertim superne erosula, costa media sicco supra sulcata subtus cum nervis sequen- 

 tibus prominente, rigida, sicco ad c. 1*1 cm. longa, fere 0.4 cm. lata; vagina? 

 tubulosse, verruculosae, internodia aequantes. Ltflorescentice (1 adest) in flexubus 

 caulium foliatorum, brevissimse, 1-florae, pedunculo abbreviate, nonnnllis vaginulis 

 tubulosis verruculosis obtecto. Bractea cucullata, apiculata, c. 0-85 cm. longa. 

 Flos c. 1-8 cm. longus. Sepalum dorsale ovatum. apiceru versus angustatum, 

 anguste obtusum, breviter obtuse apiculatum, basi latum, concavum, 5-nervium, 

 c. U'7o cm. longum, 0'4 cm. latum. Sepala lateralia lacinia falcatulo-trian^nla a<l 

 pedem gvnostemii decurrentia, margine antico inferne longitudine c. - 45 cm. 

 connata, mentum conicvim leviter curvatum obtusum ovario subparallelum c. l - 25cm. 

 longum formantia, oblique triangula, obtusa, apice dorso leviter incrassata, c. (J-iu-rvia, 

 c. 075 cm. longa, basi 1'4 cm. lata. Petala lanceolata, dimidio superiore sonsiiu 

 angustata ft erosula, obtusa, 2-nervia, c. 07 cm. longa, O225 cm. lata. Label/urn 



