Vol. III.] 



APPENDIX. 



505 

 Northern Manna-grass. 



[Vol. I: p. 213.] 8a. Panicularia borealis Nash 



(Fig. 491a.) 



Glyceria fltiitans var. angitslala Vasey, Proc. 

 Port. Soc. Nat. Hist. 2: 91. 1895. Not G. angits- 

 lala T. Frits. 1869. 

 P. borealis Nash, Bull, Torr. Club, 24: 348. 1897. 



Glabrous. Culms erect from a creeping base, 

 li2°-5°tall;sheathsovcrlapping,smoothorrough- 

 ish, the uppermost one enclosing the base of the 

 panicle; ligule 2%"-T/z" long, membranous; 

 leaves linear, abruptly acuminate, 3 J^'-2i' long, 

 i"-5" wide; panicle slender, narrow, the ex- 

 serted portion 6'-2o' long, its branches appressed 

 or nearly so, the lower in 2's or 3's, the longer 

 of which bear 5-12 spikelets; spikelets $"-9" 

 long, 7-13- flowered, appressed; outer two scales 

 empty, i-ner\-ed, smooth and shining, unequal; 

 flowering scales thin, 2"-2/^" long, 7-nerved, 

 the nerves kispidulous, a broad scarious margin 

 at the obtuse and erose apex; palet hyaline, 

 slightly shorter than the scale, shortly 2-toothed 

 at the obtuse apex. 



In shallow water, Maine to New York, Idaho, Cali- 

 fornia, Washington, and northward. 



[Vol. I: p. 213.] ga. Panicularia 

 brachyphylla Nash. Short-leaved Manna- 

 grass. (Fig. 492a.) 



p. brachyphylla Nash, Bull. Torr. Club, 24: 349. 1897. 



Glabrous. Culms erect from a creeping base, 2°-3'' 

 tall; sheaths generally longer than the iuternodes, 

 almost closed, the uppermost one enclosing the base 

 of the panicle; ligule j"-4'i" long, membraoous; 

 leaves linear, acuminate, 2><'-5' long, i"-2.yi" wide; 

 panicle slender, narrow, the exserted portion i2'-i6' 

 long, its branches appressed or nearly so, the lower 

 in 2's or 3's, the longer of which bear 2 or 3 spike- 

 lets; spikelets compressed-cylindric, io"-i4" loni;, 

 7-i2-flowered; empty scales i-nerved, the second 

 2/^ "-3" long; flowering scales hispidulous all over, 

 7-nerved, about 2yi" long, the obtuse apex obscurely 

 and irregularly few-toothed; palet about 3" long, 

 acuminate, a little exceeding the scale. 



In shallow water. New York. June-July. 



[Vol. I: p. 217.] 4a. Festuca 



brachyphylla Schultes. Short-leaved 



Fescue-grass. (Fig. 500a.) 



Fesluca brevifolia R. Br, .\ppend. Parry's Voy, 



Suppl. 289 1S24, Not Muhl, 1S17, 

 Fesluca brachyphylla Schultes, Mant, 3: Addit, 1, 



646. 1827. 

 Fesluca ovina L. var. brevifolia S. Wats, in King's 



Rep. U. S. Geol. Expl, 40th Paral, 5: 389, 1871, 



Smooth and glabrous. Culms densely tufted, 

 8' or less tall, slender, erect, much exceeding 

 the short basal leaves; sheaths coarsely striate; 

 ligule a short scarious ring; leaves very narrow, 

 involute, at least when dry, those on the culmYz' 

 or less long, erect or ascending; panicle i' or less 

 long,ncar\y simple, its branches appressed; spike- 

 Ms 2-4-Jlowercd, the empty scales acuminate, 

 the first i-nerved, the second 3-nerved; flower- 

 ing scales acute or acuminate, rough toward the 

 apex, 2"-2Vz" long, exclusive of the scabrous 

 awn which is yi"-i'4" long. 



Newfoundland to British Columbia, the higher mountains of Vermont, and the Rocky^Mountains 

 to Colorado. Summer. 



