108 



Ihc microscope is described, and finally descriptions and plates of 

 the following new species arc given: Cnpressinoxylon pidcJiel- 

 liun, C. McGeei, C, IVardi^ C. Colinnbia7iiun and Araucarioxy- 

 loH Virginicxniiin, Not the least interesting feature is an attempt 

 at classification of the species referred by the author to this latter 

 genus, based upon microscopic characteristics. Undoubtedly 

 good results may be anticipated from further investigation in the 

 field of work undertaken and set forth in this Bulletin. A. H. 

 ■Fungus Diseases of the Cranberry — Some. Byron D. Halsted. 

 (Bull. No. 64, N. J. Agric. Exp. Station, December 31, 1889, 

 illustrated). 



The cranberry gall fungus {SyiieJtytrium Vaceinii) and the 

 Cranberry ** scald " are the subjects of the author's treatment. 

 Grasses of Box Butte and Cheyenne Counties, Nebraska, J. G. 



Smith. (Am. Nat. xxiv. 181- 183.) 

 Grasses of Tennessee. — Key to the Genera of the native aiid culti- 

 vated. — F. L. Scribner. (Reprint from Bull. Tenn. Exp. 

 Sta., pamph., 8vo., pp. 7.) 

 Guatemala — Undescribed Plants from. VIL John Uonnell Smith, 



o 



t. Gaz. XV. 27-29, pi. Ill, iv.) 



Oxalis dimidiata, Styrax Guatemalensis, Ti^xdescantia sub- 

 scaposa, (originally distributed as Spironcnia sp.) Carpinus Ameri- 

 cantiS, Michx., var. tropicalis, Campanca picturata, and Nephro- 

 dium duale, the last two figured, arc described as new. — Asplenium 

 Vera-pax (see Bot. Gaz. xiii. "jj) is in this article referred to A. 

 Kiedelianuin, Bong. — Descriptions are completed of Hanburia 



m 



parvifiora and Solarium olivceforme. 



Ilaplopappus Baylahuen, C Gay, — H. H. Rusby. (Reprint from 

 Drug, Bull. February, 1890, illustrated.) 



Heather in North America. — Theproblem of. George L. Good- 

 ale. (Garden and Forest, iii. 62, 63,) 

 The occurence of Calluna vulgaris at several stations in the 



British provinces and New England is described. 



Hickoria olivceformis. Carl Mohr. (Pharm. Rundsch. viii. 

 56-59, illustrated.) 

 Under this caption the author gives a popular account of 



Hicoria Pccan^ with excellent plate. 



