INDEX TO AMERICAN BOTANICAL LITERATURE 
1921-1922 
The aim of this Index is to include all current botanical literature written by 
Americans, published in America, or — pon American material; the word 
America being used in the broadest se 
Reviews, and papers that relate catadoely to foresty, agriculture, horti- 
culture, miseecturest products of vegetable oid ae or - bo Be" ry methods 
acteriology. 
An occasional exception is made i in favor of some paper appearing in an Ameri- 
can periodical which is devoted wholly to botany. Reprints are not mentioned 
unless they differ from the original in some important particular. If users 
of the Index will call the attention of the editor to errors or omissions, their 
kindness will be appreciated. 
. This Index is reprinted monthly on cards, and furnished in this form to 
subscribers at the rate of three cents for each card. Selections of cards are 
not permitted; each subscriber must take all cards published during the term 
of his subscription. Correspondence relating to the card issue should be 
addressed to the Treasurer of the Torrey Botanical Club. 
Round, E. M. Annularia with Paleostachya fruit. Bot. Gaz. 
Ne ie. én T. ¥5 Ap 31922. 
. Clarkii sp. 
St. John, H. A botanical exploration on the north shore of the 
Gulf of St. Lawrence including an annotated list of the 
species of vascular plants. Victoria Mem. Mus. 126: 
1-130. f. I + map, 25 Mr 1922. 
Schwarze, C. A. The method of cleavage in the sporangia of 
certain fungi. Mycologia 14: 143-172. pl. 15, 16 + f. 1-6. 
6 Je 1922. 
Setchell, ‘a A., & Gardner, N. L. Phycological contributions 
IJ-V ea California Publ. Bot. 7: 334-427. pl. 32-40. 
16 on 
star new as in Myrionema, Compsonema, Hecatonema, Pylatelia, 
Setchell, W. A., Goodspeed, T. H., & Clausen, R. E. Inheri- 
tance in Nicotiana tabacum. I. A report on the results of 
crossing certain varieties. Univ. California Publ. Bot. 5: 
457-582. pl. 55-85 +f.1,2. 14 Ap. 1922. 
Streblonema and Ectocarpus. 
129 
