Description of a new species of Pollinia in Java. 



by 

 E. D. MERRILL, M. Se. 



Botanist of the Bureau of Science in Ma n il a. 



Pollinia geminata Merrill sp. nov. § Eulalia, Lcucot/irices. 



Culmi tenues, glabri, estriati, erecti vel adscendentes, 1 ad 1.5 mm 

 diametro. Vaginae glabrae, quam internodiis breviores; ligula circiter 1 

 mm longa, leviter ciliata; laminae auguste lanceolatae, tenuiter acuminatae, 

 glabrae. basi abrupte angustatae, obtusae. margine minutissime scaberulae, 

 6 ad 7 cm longae, 5 ad 7 mm latae, suberectae, nervis obscuris. Racemi 

 bini, usque ad 5 cm longi, fragiles, pedicellis spiculisque pilis albis obsitis; 

 articuli glabri, 4 ad 7 mm longi. Spiculae oblongo-lanceolatae, 5.5 ad 6 

 mm longae; gluma I chartacea, oblonga, ad oblongo-lanceolata, prominente 

 ciliato-pilosa'. acuminata, margine anguste inflexa, obscure 4-nervia, nervis 

 2 exterioribus obscuris, carinibus 2, intracarinibus distinctis, cum exterioribus 

 approximatis, anastomosantibus; gluma il anguste acuminata, obscure 3-nervia; 

 gluma 111 anguste oblonga, hyalina, circiter 4.3 nmi longa et 0.8 mm jata, 

 obtusa; gluma IV hyalina, oblonga, 3 mm longa, usque ad '/z ^ssa, laciniis 

 angustis, obtusis, arista circiter 11 mm longa, geniculata. 



Java orientalis, prov. Besoeki, Idjen-Plateau, Mte. Merapi-Idjen, leg. 

 Koorders 40873/5. ait. 2800 m. s. m., July, 1916. 



This new species, as the forms are arranged bij Hackel in his monograph 

 of the Andropogoneae, UC. Monog. Phan. VI (1889) 151-182, falls in the 

 section Eulalia, group Leucothrices, in the association with Pollinia villosa 

 Spreng, and P, quadrinervis Hack , but is entirely différent from thèse two 

 species, from both of which it is at once distinguished by its geminate 

 racemes, very much shorter leaves, and numerous others characters. In the 

 genus Pollinia it is well distinguished by its geminate racemes, the joints of 

 v^hich are glabrous, and its pedicels and empty glumes, which are promi- 

 nently ciliate-pilose with long white hairs. The rhachis of the racemes is 

 very fragile. The spécimens, which represent only the upper portions (30 

 cm) of the culms, cannot be referred to any described species of the 

 genus, and represent a form apparently not closely allied to any previously 

 described species. (E. D. Merrlil msc. 26.1.1917 in Herb. Kds. in Mus. 

 botan. Hort. Bogor.) 



