440 .MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



8. Oryzopsis asperifolia Michx. 

 (Fig. 632.) Culms tufted, the inno- 

 vations erect, the fertile culms widely 

 spreading or prostrate, 20 to 70 cm. 

 long, nearly naked, the two or three 

 sheaths bearing reduced or obsolete 

 blades; basal blades erect, firm, sca- 

 brous, flat to somewhat revolute, 

 elongate, 3 to 8 mm. wide, tapering 

 toward each end, glaucous beneath; 

 panicle nearly simple, rather few- 

 flowered, 5 to 8 cm. long, the branches 

 appressed; spikelets on appressed 

 pedicels 3 to 6 mm. long; glumes 6 

 to 8 mm. long, somewhat obovate, 

 about 7-nerved, abruptly pointed or 

 apiculate; lemma about as long as 

 the glumes, sparingly pubescent, more 

 densely so on the callus, pale or 

 yellowish at maturity, the awn 5 to 

 10 mm. long. % — Wooded slopes 

 and dry banks, Newfoundland to 

 British Columbia; Maine to West 

 Virginia (Panther Knob, Pendleton 



Figuee 630. — Oryzopsis canadensis. Panicle, X 1 i 

 floret, X 5. (Rand, Maine.) 



to involute, scabrous; panicle open, 

 5 to 10 cm. long, the slender flexuous 

 branches ascending or spreading, 

 naked below, few-flowered above; 

 spikelets long-pediceled; glumes 4 to 

 5 mm. long, abruptly acute; lemma 

 about 3 mm. long, rather sparsely 

 appressed-pilose, the awn 1 to 2 cm. 

 long, weakly twice geniculate. % 

 — Woods and thickets, Newfound- 

 land to Alberta, south to New 

 Hampshire, New York, West Vir- 

 ginia (Panther Knob, Pendleton 

 County), northern Michigan, Wis- 

 consin, northern Minnesota, and Wyo- 

 ming. 



7. Oryzopsis kingii (Boland.) Beal. 

 (Fig. 631.) Culms tufted, slender, 20 

 to 40 cm. tall; leaves numerous at 

 the base, the blades involute, filiform, 

 flexuous; ligule about 1 mm. long; 

 panicle narrow, loose, the short slen- 

 der branches appressed or ascending, 

 few-flowered; spikelets rather short- 

 pediceled; glumes broad, papery, 

 nerveless, obtuse, purple at base, the 

 first about 3.5 mm. long, the second 

 a little longer; lemma elliptic, 3 to 

 3.5 mm. long, rather sparingly ap- 

 pressed-pubescent; awn bent in a 

 wide curve or indistinctly geniculate 

 below the middle, not twisted, mi- 

 nutely pubescent, about 12 mm. 

 long, not readily deciduous. % — 

 Meadows at upper altitudes, central 

 Sierra Nevada, Calif. 



Figure 631. — Oryzopsis kingii. Plant, X 1; floret 

 X 5. (Bolander 6097, Calif.) 



