130 



Tylostoma verrticosinn and Z! canipcstix are described as new 



w 



and figured. Figures are also given of Tylostoma inainmosnm^ T, 

 ftmbriatuvi, Z! Mcycnianiint, Clavatia cranifonnis and C. elata. 

 Fungous Diseases of the Onion {/llliiim Cepa). — On Certain- 



Roland Thaxter. (Ann. Rep. Conn. Agric. Exp. Sta. for 



1889, report of the Mycologist). 



The following are figured : Urocystis Ccpulee^ U. Colcliici, U. 

 ntagica, U, Anemones, U. occulta, U. Hypoxys, (n.sp.), Ustilago 

 Maydis, U. segetnm^ Phytophthora Pliaseoii, Macrosporinm sar- 

 cinula, var. parasiticum, M. Porri, and Vermicularia circinans. 

 Hemlock. — The. A. N. Prentiss. (Garden and Forest, iii. 157, 



158, fig. 29). 

 Heuchcra from Montana. — An Undescribed, D. C. Eaton, (Bot. 



Gaz, XV. 62). 



Heuchcra Williamsii is described as new, collected by Mr- 

 Robt. S. Williams in and near the Belt Mountains, Montana. 

 Jamaica. — Bulletin No. 16 of the Botanical Department. (Govt. 



Printing Est, Jamaica, Nov. 1889). 

 La^Ha glauca. (Gard. Chron. vii. 356, fig. 52). 

 Liability of Trees to Disease. — TJie Comparative. J. G. Jack. 



(Garden & Forest, iii. 176-178). 



Under the heading of *' disease " are included all causes of 



I 



injury to vitality of the tree, such as insects, fungi, etc. A list of 

 trees is given, with the pests by which they are afflicted. 

 Licheni Patagonici Raccolti Nel 1882 Dal la Nave Italiano Car- 



acciolo. A. Jatta. (Giorn. Bot. Ital. xxii. 48-51). 

 Licheni Raccolti Nello Scioa Dal Marchese Antinori. A. Jatta. 



(Giorn. Bot. Ital. xxii. 51, 52). 

 Lily Disease in Bermuda. A. L. Kean. (Annals of Botany, 



iv. 169, 170). 

 List of Plants Collected on the Rupert and Moose Rivers y along 



the shores of James Bay and on the Lslands in James Bay, 



M 



L 



during the summers of 1885 and 1887. J. M. Macoun. (Ann. 

 Rep. Gcol. Surv. Canada, iii. 63J-74J, 1889). 

 IJst of Plants Collected by Dr. G. M. Dawson in the Yukon 

 District and Adjacent Northern Portion of British Columbia^ 

 in 1887. J. Macoun. (Ann. Rep. Geol. Surv. Canada, iii. 

 215b.338b, 1889). 



