179 



;il)ont 4 mm. loii.u', ol)long, l-nerved. cleft nt tlio apex, awned from the 

 hack at the h^wer {, the awn straight, sealirous, ahout C iiini. Jong; third 

 flowering ghmie hroadly-ovatc. •ol)tusc, hyaline, glahrons. nerveless or 

 nearly so, hermaphi'odite. iiu'h)sing a very narrow palea. Anthers nar- 

 rowly oblong, abont 2 mm. hmg. 



Luzon, Province of Benguet, Pauai (4713 Merrill) November 8, 1905. 



In the same locality and with the same associates' as Poa luzonieiisis, and 

 like that species a very interesting northern type. Hackel, who has kindly 

 examined specimens, states, that this species is apparently related to the British 

 Indian plant described by Hooker as Hierochloa clarkei, judging from the descrip- 

 tion. The present species differs from the well-known and widely distributed 

 Anthoxanihtim odorainm Linn., in its glabrous outer glumes and especially in 

 the very short-awned first-flowering glume. It has the same characteristic odor 

 and much the appearance of that species. 



ARUN DIN ELLA Raddi. 



Arundinella setosa Trin. Diss. 2 (1824) G3 ; Hook. f. FI. Brit. Ind. 7 (1807) 



70. Danthonia luzoniensis Steud. 8yn. PI. Gram. (1855) 245; Miq. Fl. Ind. 



BaL 3 (1859) 427; Vidal, Phan. Cuming. Philip. (1885) 159; Rev. PI. Vase. 



Filip. (1886) 282; Ceron Cat. PI. Herb. (1892) 184; F.-Vill. Xov. App. 



(1883) 319. 



Philippines (1415 Cuming) cotype of Danthonia luzoniensis Steud. Luzon, 



Province of Benguet, Pauai to Baguio (4702 Merrill) November, 1905; Biied 



River (4271 Merrill) November. 1905. 



British India to Cochin China, and southern China. 



This species is enumerated liere only to call attention to the reduction of 

 Danthonia luzoniensis 8teud. On receipt of a specimen of No. 1415 Cuming, 

 from the British Museum, I found the number to be an Arundinella and not a 

 Danthonia. A fragment was sent to Dr. Hackel, who pronounced it to be identical 

 with Arundinella setosa Trin. The genus Danthonia can therefore be excluded 

 from the Philippines. 



CALAMAGROSTIS Adans. 



Calamagrostis filifolia Merrill sp. nov. §t Degeuxia. 



A densely tufted, erect grass 30 to 60 cm. liigh, witli filiform leaves, 

 and strict, densely flowered panicles. Culms glabrous, many in each 

 tuft, erect, straight, glal)rous; nodes dark, glabrous; sheaths, at least the 

 lower ones, shorter than the internodes, the upper one often inclosing the 

 immature panicles; ligule about 2 mm. long, subhyaline, irregularly cleft 

 or lacerate : Idades 10 to 20 cm. long, numerous at the base of the culms 

 and on the innovations, erect, somewhat stiff, revolute, 1 mm. wide or less. 

 Panicles at length exserted, pale green 'or slightly purplish, many 

 flowered, the lower branches appressed, often 4 cm. long, forming a 

 narrow somewhat spikelike, uninterrupted panicle. Empty glumes sub- 

 equal, lanceolate, acuminate, about (! mm. long, both 1-nerved, scabrous 

 on the keel. Flowering glume lanceolate, 5 mm. long, minutely scabrous, 

 4-nerved, the nerves green, entire or very obscurely 2 to 3 toothed at 

 the apex. Palea equaling the glume. Anthers 1.2 to 1.5 lum. long. 

 Lodicules 1 mm. hmg. Callus hairs I uim. long or less: rhaehilhi ab.uit 



