VOL. III.] 



[Vol. I: p. 213.] 8a. 



APPENDIX. 



Panicularia borealis Nash 

 (Fig. 491a.) 



505 

 Northern Manna-grass. 



Glyceria Jluitans var. angustata Vasey, Proc. 

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

 tata T. Fries. 1869. 

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



Glabrous. Culms erect from a creeping base, 

 i^-5tall;sheathsoverlapping,smoothorrough- 

 ish, the uppermost one enclosing the base of the 

 panicle; ligule 2%."-']Yz' / long, membranous; 

 leaves linear, abruptly acuminate, 3 J^-21' long, 

 \"-*/' 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 $"-$' 

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

 empty, i-nerved, smooth and shining, unequal; 

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

 the nerves hispidulous, 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. 1: 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 internodes, 

 almost closed, the uppermost one enclosing the base 

 of the panicle; ligule 3 // -4^ // long, membranous; 

 leaves linear, acuminate, 2^ / -5 / long, 2 // -2>^ // 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 // long-, 

 7-12-flowered; empty scales i-nerved, the second 

 2}i // -y / long; flowering scales hispidulous all over, 

 7-nerved, about 2^" 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.) 



Festuca brevifolia R. Br. Append. Parry's Voy. 



Suppl. 289. 1824. Not Muhl. 1817. 

 Festuca brachyphylla Schultes, Mant. 3: Addit. 1, 



646. 1827. 

 Festuca ovina I,, 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 culm%' 

 or less long, erector ascending; panicle \' or less 

 long,near\y simple,its branches appressed; spike-' 

 lets 2-4-Jlowered, the empty scales acuminate, 

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

 ing scales acute or acuminate, rough toward the 

 apex, 2 // -2 1 4 // long, exclusive of the scabrous 

 awn which is y z "-\%" long. 



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

 to Colorado. Summer. 



