200 



Cassandra calyculata, (Garden, xxxiii., 392, illustrated.) 

 Castalia Leibergi, — A nczv Water-lily, — Thos. Morong. (Bot. 



Gaz., xiii., 124-125, one plate.) 



A small pond in Northern Idaho yields this interesting plant, 

 the only species of its genus as yet detected in West America. 

 Catalpa bignonioides. (Garden,xxxiii., 393, illustrated.) 

 Celastriis scandens. (Garden, xxxiii, 393, illustrated.) 

 Contribittions to Ame^'ican Botany — XV, — Sereno Watson. (Proc. 



Amer, Acad. Arts and Sciences, xxiii., 249-287 ; reprinted.) 



r 



Dr. Watson's latest contribution contains (1.) Some new 

 species of plants of the United States with revisions oi Lesqnerelia 

 [Vesica7'ia), and of the North American species of Draba, the 

 proposed new genus to include all the American plants hitherto 

 referred * to Vesicaria with the Alyssnm Lescnrii, Gray, 33 

 species being recognized, several here first described. "Of Draba 

 we have 32 species, D, Breweri and D. snbsessilis being addi- 

 tions to the previous lists; D. arabisans, Michx , is reduced to a 

 variety of D incana, L., and several other changes in nomen- 

 clature are made. Descriptions are given of the following new 

 species : CheirantJms occidentalis ; Caulanthns Lemnioni ; 



■m 



Stlene Luisana ; Calandrinia How el Hi ; Sidalcea Hendcrsont ; 

 Tr i folium Howe llii ; Astragalus sylvaticiis ; Lathy rus ctnctus ; 

 Ivesia Shockleyi ; Pyrus occidentalis; Saxifraga occidentahs ; 

 Hartwrightia Floridana, Gray, a new genus and species in Com- 

 positae; Pentstemon Shockleyi ; Eriogonum pendnhim ; E. ciiha- 

 rmforme ; Tilla?idsia Wtlso?ii ; Brodicea Hendersoni ; Calochor- 

 tus Hozvellii and Jiincus Oreganus. (11.) Some new species of 

 Mexican plants, chiefly of Mr. C. G. Pringle's collection in the 

 mountains of Chihuahua in 1887, i^i which a large number of 

 novelties are characterized, among them Prionosciadinm, a new 

 genus of Umbelliferae with three species. (HI.) Descriptions of 

 some plants of Guatemala, mainly from Dr. Watson's collections 

 in 1885, containing Lotiteridiuvi^ a new genus in Acanthacese, 

 and a number of orchids described from specimens which have 

 flowered at Cambridge. 



Cypripedium fascicu latum, KelL (Gard. and Forest, i., 90, fig. 16.) 

 Delphinium viride, — Sereno Watson. (Garden and Forest, 1., 

 149, fig- 29.) 



