311 



Williams, Frederic X[e\vt(iii]. Pro- 

 ilromus florae britannicae. I'art 3, iii- 

 chidino-a revision of the ]5ritish Ilieracia. 

 [Title from wrapper, -which on pp. ii — iv 

 contains explanations by the author]. 

 Brentford (C. Stutter), 1902, (75-174;. 

 [n. sp.] 25 em. [5400 8000 Jc]. 



1 1803 



Un nouveau Dkuitlnis du 



N. (). Himalaya. Geneve, Bui. Boissier, 

 1901,(892;. "[5400 8000 jy]. 11804 



• — British Hawkweeds of the 



Cerinthoidea group [of Hierac'iniii]. J. 

 Bot., London, 40, 1902, (229-230). 

 [5400 8000 Jr]. 11805 



Jlieracium aiujUciiiit Fries 



and its varieties. J. Bot., London, 40, 

 1902,(257 200). [5400 8000 Jc]. 



llSOii 



■ llicrac'tHin viiirDftiia and 



11. caesium of British Floras. J. Bot., 

 London, 40, 1902, (291-293). [5400 

 8000 rfe]. 11807 



Salient characters in 



Hievacium. J. Bot., London, 40, 1902, 

 (31.3-316). [5400]. 11808 



Hybi'iditv in Ilieracium. 



J. Bot., Loudon, 40, 1902, (385-380). 

 [3550 54O0]. " 11809 



Williams, H. S. A preliminary list of 

 ]\lontana Mosses. New York, N.Y., Bull. 

 Bot. Gard., 2, 1902, (351-380, with pi.). 

 [7000 8000 r/,']. 11810 



Two new Western Mosses. 



New York, N.Y., Bull, Torrev Bot. CL, 

 29, 1902, (GG-68 with pi.) [in Eur>in- 

 cliuin and Braclnjlicciiiin]. [7000 

 8000 <7i]. 11811 



Williams, Thomas A. Where Lichens 

 L;row. Plant World, Washington, D.C., 

 5,1902,(241-243). [7000]. 11812 



Williamson, E. B. A few myco- 

 logical notes for July and August, 1900, 

 Wells and Whitley Counties, [Ind.]. 

 Indianapolis, Ind., Proc. Acad. Sci., 

 1900,1901,(161-105). [7700 8000 w]. 



11813 



Williamson, H. B. Ne^v districts for 

 Victorian pilanls. Vict. Nat.,Melljourne, 

 19, 1902, (104). [8000 /'/]. 11814 



Willis, John C[hristopher]. On the 

 dorsiventrality of the Podostemaceae 

 with reference to current views on evo- 

 lution, [abstract, Brit Assoc, Belfast, 

 Sect. K.]. Ann. Bot., Oxford, 16, 1902. 

 (503-594). [1250 4400 5400]. 11815 



Willis, John ('[hrlstopher]. v. Kelway 

 Bamber, M. 



Willis, J. J. P'ixation of niti-ogen by 

 Algae [from Deherain's " Traite de 

 Chimie Agricole," ed. 2] Gard. Chron., 

 London, (Ser. 3), 32, 1902, (180-181). 

 [3040 74(30] 118 10 



Willmott, E[llen]. Fr'd'dla via ashhnha- 

 (]cn»'is and Iris loarleycnsis. Garden, 

 London, 61, 1902, (241; 256 with 2 

 ligs.). [GOOO]. 11817 



Wilms, J. V. SeeUiorst, Conrad von- 



Wilson, Albert. Menyantlies tri- 

 foliatd at au unusually high elevation. 

 Naturalist, London, 1902, (.352). [5400 

 8()00Jc]- ^ 1IS18 



■ r. Wheldon, J. A. 



Wilson, Alex[andpr] S. Vegetable 

 mimicry and homomorjihism. I-V. 

 Knowledge, London, 25, 1902, (27-29, 

 76-77, 127-129, 171-173, 235-2.36, 

 22 figs.). [4500]. 11819 



Wilson, Edmund B[eecher]. Mendel's 

 Principles of Heredity and the matura- 

 tion of the germ-cells. Science, New 

 York, N.Y., (N. Ser.), 16, 1902, (991- 

 993). [4400 ■ 4300]. 11820 



iiims and methods of study 



in natural history. (Presidential address 

 to American Society of Naturalists). 

 [Reprint from Science]. Sci. Amer. 

 Sup., New York, N.Y., 51, 1901, (21065- 

 21066 21076). [0040 N 0040]. 



11821 



[Wilson, E. H.]. The flora and fauna 

 of Yi3nnan [based on his account]. 

 Gard. Chron., London, (Ser. 3), 31, 

 1902, (204). [8000 eh]. 1 1822 



Wilson, James, v. Washington, U.S. 

 Department of Agriculture. 



Wilson, Percy. Report ... on a 

 trip to Porto Rico. New York, N.Y., .1. 

 Bot. Gard., 3. 1902, (178-179). 

 [8000 /(c]. 11823 



Wimmenauer, K[arl]. Tuisko Lorey. 

 Allg. Forstztg, Frankfurt a. M., 78, 

 1902,(113-118). [OJlO]. 11824 



■ Die diesjahrige Versamni- 



lung des Vereins deutscher forstlicher 

 Versuchsanstalten. Alio-. Forstztg, 

 Frankfurt a. M., 78, 1902, (419-425). 

 [0020]. 11825 



Wimmer, G. v. Wilfahrt, H. W. 



