181 



broadly linear, scarcely compressed, 8-10 cm. loii^, 8—9 mm. 

 wide, 3 mm. thick, dehi.scent with difficulty if at all, apex blunt, 

 rounded, mucronate, mar<^in.s subentire, .sejita transverse, not 

 well defined externally, hairs, if any, at the septal depressions, 

 few and coarse and pointing toward apex: seeds 13-20, trans- 

 verse, obovoid, 4 mm. long, 2 mm. in greatest diameter, funiculus 

 straight. 



.S[)ecimens examined; Pennsvlvani.\ : Allegheny Co., 1900, 

 /. . /. Sliafcr ; 1901, /. M. Millignn. Westmoreland Co., 1904, 

 0. P. Medsgcr {\.y^€). Maryland: Cumberland, 1896, Hozvard 

 Shrivcr ; 1 90 1, Rev. G. Eifrig. West Virginia: Wheeling, 

 1879, G. Giittcnbcrg ; Sweet Springs, 1903 (j-?2), C. S. & Mrs. 

 Steele. Virginia: Bedford Co., i8y2, A. H. Curtiss. Georgia: 

 Dalton, 1900(70.?), Percy Wilson. Alabama: Clay Co., F. S. 

 Earlc. Iowa: Ringold Co., 1?,^%, Fit.':patrick Bros. Missouri: 

 Jackson Co., 1893 (/-/), and Campbell, 1895 (/pj), B. F. Bush ; 

 Riley Co., 1896, /. B. Norton. Kansas: Johnson Co., 1892, 

 M. A. Carleton ; Vt. Riley, 1 892 {547), E. E. Gayle. Arkansas : 

 Lafayette Co., 1898, A. A. & E. G. Heller ; Benton Co., 1899, 

 E. N. Plank. 



Cassia Meeisgeri grows in dry gravelly situations, is less tall, 

 less branched, of a darker color and is from ten days to two 

 weeks later in flowering than C. Marilandica, from which it is 

 easily distinguished by the differently shaped petiolar gland and 

 stipules, less and differently pubescent ovary, darker, broader, 

 and more curved pod, which is less clearly but more closely 

 marked by the septa and almost indehiscent, also by the very 

 differently shaped seeds. 

 "- Nkw York Boianicai. Gakok.n. 



a case of irregular secondary 

 thickp:ning 



I'.Y IIkkiu-.ri Mali.k Richards 



During last summer, while collecting in the woods in the 

 neighborhood of Lake Placid, New York, the writer noticed that 

 the lateral roots of the "yellow birch" — Bctula lutea — often 



