RULES FOR OITATION. 87 
Dietel, P. Die Gattung Ravenelia. Hedw. 33:22-48. 
pl. I-5. 30Ja. 49-69. 15 Ap 1894. 
The foregoing are correct forms for catalogue by author. The 
following illustrate cases arising under the rules indicated by 
the letter preceding. 
Ell. and Everh. Pyren. 491. My 1892. 
Proc. Phil. Acad. 1894:53-59. 1894. 
The year number, 1894, is the vol 
sarily the year cf publication. E. g., 
Bessey, Am. Pomol. Soc. 1885: 42. 1886. 
Mez, C. Bromeliacez. III. Flora Brasiliensis 115: 
425-634. pi. 8r-rrg. IF 1894. 
Not Fasc. CXV, 42 5-934, t. 81-114. 
Saccardo, P. A. Syll. Fung. 77:481. N18g0. 
umber, and not neces- 
. Bull. Geol. and Nat. Hist. Surv. Minn. 9:39-42. 2Mr 
1894. 
Not 9?; nor 9 part 2; nor 1894 [part 2]. 
. Linn. Sp. Plant. 6?:125. 1852. [ed. Willd.] 
. Gray, A. Man. Bot. 225. 1890. [6th ed.] 
Peck, C. F. Rep. N. Y. Mus. 47:— (18). N 1894. 
Ell. and Everh. N. A. F. z6g2. F 1889. 
Rept. Mo. Bot. Gard. 2:98. d. pl. 28. 22Ap189t. 
Beringer, Am. Jour. Pharm. 66:220. My 1894.—Ta- 
lasne, Ann. Sci. Nat. Bot. III. 7:85. @. pl. 2. f. 3. 
1847. 
Bailey, The Japanese plums in North America. Bull. 
Cornell Exp. Sta. 62:3-36. Ja 1894. [Illust. ] 
The figures are not numbered. 
Ell. and Kell. Jour. Myc. t:12. d. Ja1885.—(Hedw. 
24:45 d. Je1885.) Peck, (Grev. 22° 111. Je 1894.) 
