1916] Fernald & Weatherby,— Puccinellia 9 



(1869). G. reptans Krok, Bot. Not. 140 (1899). G. maritima, var. 

 reptans Simmons, Vase. PI. Ellesmereland, 159 (1906). Atropis 

 vilfoidea Rowlee & Wiegand, Bot. Gaz. xxiv. 422 (1897). — Arctic 

 regions, soutli to Labrador, Keewatin, and the Bering Sea region. 

 Labrador: Nain, August 11, 1897, ,/. D. Somborgcr, no. 237. Kee- 

 watin: Cape Henrietta Maria, Hudson Bay, August 18, 1904, W. 

 Sprcadborough, herb. Geol. Surv. ( 'an. no. 62,742. Alaska: abundant 

 on saline mud Hats, but no flowering plants found, St. Paul Island. 

 July 31, 1897, ./. M. Macoun, herb. Geol. Surv. Can. no. 16,223; 

 originally described from Kotzebue Sound, and recently collected 

 (ace. to Scribner & Merrill, Contrib. U. S. Nat. Herb. xiii. 78) on the 

 Seward Peninsula. 



The numerous flagelliform stolons are very characteristic of this 

 northern species, but they should not be taken as an absolute diagnos- 

 tic character since P. paupercula and its var. alaskana occasionally 

 have stolons which in all characters appear inseparable from those of 

 P. phryganodes. The identification of these plants by the stolons 

 alone is not final and the difficulty of accurate determination is ren- 

 dered greater since the stoloniferous colonies are so frequently desti- 

 tute of inflorescences. 



* * Anther 0.5-1 {rarely 1.2) mm. long. 

 ■*- Lemma thick and coriaceous; its mid-nerve often excurrent: lower 

 branches of the panicle densely-flowered to below the middle: annuals or 

 biennials. 



3. P. fasciculata (Torr.) Bicknell. Figs. 12-16. Rather coarse; 

 the smooth mostly geniculate culms 1.5-8 dm. high: leaves 2-6 mm. 

 broad, flat, or finally involute: panicle long-exserted, ellipsoid to 

 ovoid, 0.2-1.6 dm. long, contracted; the ascending or slightly spread- 

 ing sparingly scabrous branches floriferous nearly to the base: spike- 

 lets 3-4 mm. long, 2-5-flowered: glumes minutely serrulate but not 

 ciliate; the 1st 0.75 mm. long, oblong-ovate, acutish, 1-nerved; 2d 

 1.5 mm. long, broadly ovate, acutish, with 3 prominent nerves: lemma 

 2-2.5 mm. long, firm, ovate, obtuse, or acutish, minutely serrulate, 

 pubescent at base, 5-nerved: palea slightly shorter, oblong, blunt 

 and erose at the slightly narrowed apex, ciliate on the nerves: anther 

 0.5-0.8 mm. long: grain 1.4 mm. long. — Bull. Torr. Bot. CI. xxxv. 

 197 (1908); Nash in Britton & Brown, Bl. PI. ed. 2, i. 268 (1913). 

 P. Borreri Hitchc. Rhodora, x. 65 (1908); Nash in Britton & Brown, 

 1. c. (1913). Poa fasciculata Torr. Fl. North. U. S. i. 107 (1824); 

 Eaton, Man. ed. 5, 333 (1829); Beck, Bot. North, and Mid. States, 

 409 (1833); Wood, Class-book, 447 (1845). P. delawarica Link, 

 Hort. Berol. i. 174 (1827). P. Borreri Hook. & Arn. Brit. Fl. ed. 8, 

 549 (1860). Festuca (?) delawarica Kunth, Gram. i. 129 (1829). 



