90 JOURNAL OF THE ARNOLD /VRBORETUM [vol. n 



circ. 1.5 mm. longis; glandulae 2, ventralis ovoideo-conica vel saepe bi- 

 partita, bractea subtriplo brevior, dorsalis minima interdum plusminusve 

 3-partita; amenta feminea sub anthesi nondum visa, adultiora circ. 3.5-4: 

 2 cm. magna (pcduncuload 1-2 cm. longo 3-4-foliolato excluso), basi plus- 

 minusve laxiflora, fructifera ad 5:1.6 cm. magna; bracteae ut in masculis, 

 saepe omnino breviter pilosae; ovaria anguste ovoideo-oblonga, dense 

 breviter argenteo-sericeo-tomentosa; styli distincti, 0.8-1.3 mm. longi, 

 apice saepissime biiidi, stigmatibus oblongis divaricatis bifidis stylo pauUo 

 ad duplo brevioribus; pedicelli initio glandulara duplo dein ad triplo super- 

 antes, in fructu circ. 2 mm, longi; glandula 1, late ovoideo-rectangularis, 

 saepissime bipartita. Fructus maturi e basi ovoidco-rhombica rostrati, 

 8-10 mm. pedicello excluso longi, ut ovaria tomentosi. 



Specimens examined: Alberta. Edge of Bow River, near Cave and Basin, 

 about 1500 m., July 10, 1899, IF. C. McCalla (No. 2^252% partim, f.; N.); vicinity 

 of Banff, on water's edge along road to Sun Dance Canyon, about 1500 m., July 10, 

 1890, same coll. (No. 22o2^ partim; Cor.; '*about 1 ra. high"); low ground along 

 road to Devil's Head Lake, alwut 1500 m.» June 19, August 11, 1899, same coll. 

 (No. 2252, type, m.,st.;Cor. "1.5 m. high"); Banff, August 13,1908. Olson (f.; G.); 

 Morley, foothills of Rocky Mts., damp places, June 17, 1885, J. Macoun (No. 24506; 

 O.; dim No. 17, C); Banff. Cave Avenue, July 4. 1891, same coll. (No. 24517, fr.; 

 O.; olim nos. 28 and 33 in C.) ; marshy flat near the Bow River, July 15, 1891, same 

 coll. (No. 28, fr., C; "bush 1.2 m. high"); Spray River, June 30, 1891, same coll. 

 (No. S3, fr.; C; "low spreading bush on the borders of the same marsh"). 



BuiTisn Columbia. Yale District, Armstrong in the Okana^an Valley, 1912, 

 E, Wilson (No. 2, f., m., fr.; Cor.; in O. sub No. 87817); Kootenay Distriet, Cran- 

 brook, June 22, 1914, /. K, Henry (fr.; Cal.; "clumps 1.2 to 1.8 m. high")- 



Saskatchewan. Prince Albert, Camp, thickets by railway, July 6, 1876, J, 

 Macoun (No. 13675, st.; Cor., O.); west of Eagle Creek, Bare Hill, m a bog, July 

 SI, 1906, J. Macoun & W. Ilcrriot (No. 70260, st., O., G.). 



Manitoba. In thickets east of Brandon, June 6, 1896, J. Macoun (No. 1360G, 

 fr. im.; C, Cor., O.). 



Ontario. Thunder Bay District, Lake Superior, north shore, by C.P.R.R. in 

 SW. between Port Arthur and Fort Williams, July 23, 1883, W. R. Dudley (f . ; C.)- 



Vienna, May, 1920. 



THE LIGNEOUS FLORA OF THE STAKED PLAINS OF 



TEXAS 



Ernest J. Pajlmer 



The traveler who has passed over the high, wind-swept, grassy plains of the 

 Texas Panhandle and viewed the country only from the speeding train might 

 perhaps imagine that an article on the trees and shrubs of the region could 

 be as brief and trite as the celebrated treatise on the Snakes of Ireland; but 

 a closer inspection will reveal the fact that even if Nature has essayed a sin- 

 ister imitation of St. Patrick's role upon the ligneous flora here it has been 

 carried out but indifferently, and that although largely confined to certain 

 limited areas woody plants are by no means rare and the total number of 

 species is not inconsiderable. Moreover, instead of showing any tendency 



