1916] Fernald & Weatherby, — Puccinellia 15 



venture and Rimouski Counties, Quebec: gravelly beach, Traca- 

 digash Point, Carleton, July 22, 1904, Collins ( (- Fernald (type in 

 Gray Herb.), July 25, 1904, Collins & Prase (Pease, no. 4,326); grav- 

 elly shore, Pointe aux Corbeaux, Bic, July 6-10, 1905, Williams, 

 Collins & Fernald. 



Superficially resembling P. coardata and P. raginata. Differing 

 from both in the abruptly acuminate firm whitish lemmas and stiff 

 involute leaves, and from P. coardata also in the pubescent nerves of 

 the lemmas. 



00 Plant bright-green or only slightly glaucous: panicle-branches 

 strongly scabrous: lemmas thin. 



8. P. macra, n. sp. Figs. 39-43. Caespitosa perennis (?) 4.5-6 

 dm. alta viridis; foliorum caulinorum laminis tenuibus planis3-6.3 mm. 



latis 0.4-1.4 dm. longis superioribus longioribus, vaginis basilaribus 

 purpurascentibus, ligula 1.5 mm. longa obtusa; panicula lineari-eylm- 

 drica 2-3 dm. longa ante et post anthesin erecta basi vagina superiore 

 incluso, ramis filiformibus arete adscendentibus scaberrimis; spicu- 

 lis 4-7 mm. longis 4-6-floris purpurascentibus; gluma inferiore 1.5-2 

 mm. longa hyalina acuta 1-nervata paullo serrulata, superiore 2-2.5 

 mm. longa anguste ovata obtusa eroso-serndata 3-nervata, nervo 

 medio ad apicem minute seabro; lemmatibus 2.5-3 mm. longis ovatis 

 obtusis tenuibus supra hyalinis minute eroso-serrulatis 5-nervatis, 

 nervis basin versus pubescentibus; palea 2.5-3 mm. longa oblanceo- 

 lata bidentata nervis ciliatis, ciliis imis longioribus; antheris 0.9-1 mm. 

 longis; caryopsibus 1.4—1.6 nun. longis. 



Caespitose perennial (?) 4.5-6 dm. high, green: cauline leaves with 

 blades thin, flat, 3-6.3 mm. wide, 0.4-1.4 dm. long; the upper longer 

 than the lower; basal sheaths purplish; ligule 1.5 mm. long, obtuse: 

 panicle linear-cylindric, 2-3 dm. long, before and after anthesis 

 erect, the base included in the upper sheath; the branches filiform, 

 strongly ascending, very scabrous: spikelets 4-7 mm. long, 4-6- 

 flowered, purplish: 1st glume f .5-2 mm. long, hyaline, acute, 1-nerved, 

 slightly serrulate; 2d 2-2.5 mm. long, narrowly ovate, obtuse, 

 erose-serrulate, 3-nerved, the mid-nerve minutely seabrous above: 

 lemmas 2.5-3 mm. long, ovate, obtuse, thin, hyaline above, minutely 

 erose-serrulate, 5-nerved, the nerves pubescent toward the base: 

 palea 2.5-3 mm. long, oblanceolate, bidentate, ciliate on the nerves, 

 the cilia longer below: anthers 0.9-1 mm. long: grain 1.4-1.6 mm. 

 long. — Known only from the type station near the tip of the Gaspe 

 Peninsula, Quebec: wet springy place, Bonaventure Island, August 

 7 and 8, 1907, Fernald & Collins] no. 891 (type in Gray Herb.). 



A rather unique plant, perhaps nearest to the local P. nutkaensis 

 of Vancouver Island, from which it differs in its softer and more 

 pubescent lemmas. 



