32 MISC. PUBLICATION 2 81, U. S. DEPT. OF AGRICULTURE 



Lamson-Scribner, F. (570) 



new or little-known grasses. U. S. Dept. Agr., Div. Agrostology Circ. 

 30, 8 pp. 1901. 



(571) 



the genus sphenopholis. Rhodora 8: 137-146. 1906. 



and Merrill, E. D. (572) 



STUDIES ON AMERICAN GRASSES. THE NORTH AMERICAN SPECIES OF CHAE- 



tochloa. U. S. Dept. Agr., Div. Agrostology Bull. 21, 44 pp., illus. 1900. 

 • — — — and Merrill, E. D. (573) 



STUDIES ON AMERICAN GRASSES. I. SOME RECENT COLLECTIONS OF MEXICAN 

 GRASSES. II. NOTES ON PANICUM NITIDUM LAM., PANICUM SCOPARIUM 

 LAM., AND PANICUM PUBESCENS LAM. III. MISCELLANEOUS NOTES AND 



descriptions of new species. U. S. Dept. Agr., Div. Agrostology Bull. 

 24, 55 pp., illus. 1901. 



— and Merrill, E. D. (574) 



NEW OR NOTEWORTHY NORTH AMERICAN GRASSES. Bull. Torrey Bot. Club 



29: 466-470. 1902. 



and Ogden, E. L. (575) 



studies on American grasses. U. S. Dept. Agr., Div\ Agrostologv Bull. 8, 

 23 pp., illus. 1897. 



Smith, J. G., and Holm, T. (576) 



studies on American grasses. U. S. Dept. Agr., Div. Agrostology Bull. 

 4, 43 pp., illus. 1897. 



Leonard, E. C. (577) 



THE NORTH AMERICAN SPECIES OF SCUTELLARIA. U. S. Natl. MUS., Contrib. 



U. S. Natl. Herbarium 20: 703-748. 1927. 

 Macbride, J. F. (578) 



1. THE TRUE MERTENSIAS OF WESTERN NORTH AMERICA. II. REVISION OF 

 THE GENUS OREOCARYA. III. NOTES ON CERTAIN BORAGINACEAE. 



Harvard Univ., Contrib. Gra}^ Herbarium (n. s.) 48, 58 pp. 1916. 



(579) 



A REVISION OF THE NORTH AMERICAN SPECIES OF AMSINCKIA. Harvard Univ., 



Contrib. Gray Herbarium (n. s.) 49: 1-16. 1917. 



(580) 



I. FURTHER NEW OR OTHERWISE INTERESTING LILIACEAE. II. A REVISION 

 OF MIRABILIS, SUBGENUS HESPERONIA. III. A PEVISION OF MENTZELIA, 

 SECTION TRACHYPHYTUM. IV. CERTAIN NORTH AMERICAN UMBELLIFERAE. 

 V. RECLASSIFIED OR NEW COMPOSITAE, CHIEFLY NORTH AMERICAN HEL- 

 ENIEAE. VI. VARIOUS AMERICAN SPERMATOPHYTES, NEW OR TRANSFERRED. 



Harvard Univ., Contrib. Gray Herbarium (n. s.) 56, 61 pp. 1918. 



(581) 



A REVISION OF THE ROCKY MOUNTAIN ASTRAGALI OF SUBGENUS HOMALOBUS. 



Harvard Univ., Contrib. Gray Herbarium (n. s.) 65: 28-39. 1922. 

 and Payson, E. B. (582) 



A REVISION OF THE ERIGERONS OF THE SERIES MULTIFIDI. Harvard Univ., 



Contrib. Gray Herbarium (n. s.) 53: 72-79. 1917. 



Mackenzie, K. K. (583) 



notes on carex, i-xiii. Bull. Torrev Bot. Club 33: 439-443; 34: 151-155, 

 603-607; 35: 261-270; 36: 477-484; 37: 231-250; 40: 529-554; 42: 405-422, 

 603-621; 43: 423-434, 601-620; 49: 361-373; 50: 343-358. 1906-23. 



(584) 



cyperaceae (poales) cariceae (pars.). North Amer. Flora 18, pts. 1-3. 

 1931. 



Mathias, M. E. (585) 



studies in the umbelliferae. iv. Mo. Bot. Gard. Ann. 19: 497-498, illus. 

 1932. 



Merrill, E. D. (586) 



ARISTIDA PURPUREA NUTT., AND ITS ALLIES. U. S. Dept. Agr., Div. AgrOStol- 



ogy Circ. 34, 8 pp. 1901. 



