238 Trans. Acad. Sci. of St. Louis. 



Biology, Botany, continued. 



Engeimann, G., continued. 



[Catalpa speciosa]. 4 : 1 



[Cinchona cultivation]. 4: lv 



[Dimorphism of Draba brachycarpa]. 2 : 154-5 



The flowering of Agave Shawii. 3 : cclv, 579-82. pi. 4 



[Frnit and seed of Viburnum], 2: 269-271 



[Fungi and fermentation] . 3 : xli 



The genus Iso'etes in North America. 4 : 358-90 



[Geographical distribution of North American flora]. 3 : cclxx 



[Grape rot]. 4 : xxxix 



[Hybrids of Verbena]. 1 : 675-6 



[Mildew and black-rot of grape]. 2 : 165-6 



[Nelumbium luteumj. 2:135, 136-9 



New species of Gentiana, from the alpine regions of the Rocky 



mountain?. 2:214-8. pi. 7-11 



Notes on Agave. 3 : 291-322 



Addition to arlicle on Agave. 3 : 370-1. pi. 2, 3 



Notes on the genus Yucca. 3 : 17-54 



Notes on the genus Yucca. No. 2. 3 : 210-214 



Additiou to the article on Yucca. 3 : 371-2 



[Notes on the grape-vines of Missouri]. 1 : 660-2 



[Oak and grape fungi]. 3 : ccxv 



The oaks of the United States. 3 : ccvi, 539-43 



On Pinus aristata, a new species of pine, discovered by Dr. 



C. C. Parry in the alpine regions of Colorado Territory, and on 

 some other pines of the Rocky mountains. 2 : 205-214. pi. 5-6 



[Oxytropis Lamberti], 3:clxxvi 



[Pheuological notes], 3 : xlvi, cclvii. 4 : xiii, lv 



[Physiological and anatomical characters of the Gymno- 



sperms]. 3 : ccxxix 

 [Pollen showers], 3 : xliv 



[Polypodium incanum~\. 3: Ixxxiv 



[Pulp of cactus fruit]. 2 : 166-7 



[Pulp of Cereus for calking]. 4 : Ixxvii 



Revision of the genus Pinus, and description of Pinus 



Elliottii. 3 : Ixxvii. 4 : 161-190. pi. 1-3 

 A revision of the North American species of the genus Juncus, 



with a description of new or imperfectly known species. 2 : 



424-98 

 Further additions to the revision of the genus Juncus. 2 : 590 



ISelaginella lepidophylla]. 1 : 687 



[Sequoias]. 3: xlviii 



[Structure of the fruit and seed of Ribes~\. 2 : 180-1 



A synopsis of the American firs (Abies Link). 3: 593-602 



Systematic arrangement of the species of the genus Cuscuta, 



with critical remarks on old species and descriptions of new ones. 



1 : 339, 453-523 

 Two new dioecious grasses of the United States. 1 : 324, 



431-42. pZ. 12-14 



