108 Floristik und Systematik der Phanerogaman. 



The two orchidaceous genera passed in review were earlier 

 in the year separated from Habenaria by Dr. Rydberg, 

 respectively in the Memoirs of the New-York Botanical Garden. 

 I. 104, and the Bulletin of the Torrey Botanical Club. XXVIII. 

 269. In the first, 24 species are recognized ; and in the second, 

 9. Analytical keys are provided, and each species is illustrated 

 by a front and side view of the flower. The following new 

 names appear: 



Limnorchis viridiflora {Habenaria borealis viridiflora Cham.), L. 

 major {Piatanthera hyperborea major Lange), L. Behringiana from Bering 

 Jsland, L. borealis (Habenaria borealis Cham.), L. foliosa from Alaska, 

 L. dilatata linearifoUa from the Eastern States, L. Thurberi {Habenaria 

 Thurberi Gray), L. leucostachvs robusta, from the Northwest, L. gramini- 



{olia {Piatanthera graniinea Lindley), L. gracilis {Piatanthera gracilis 

 .indley), L. convallarlaefolia {Piatanthera convallariaefolia Lindley), L. 

 Arizonica, from Arizona, L. ensifolia, from the Southwest, L. laxiflora, 

 from Oregon, Utah and Colorado, L. sparsiflora {Habenaria sparsiflora 

 Watson), L. brevifolia {Habenaria brevifolia Greene), Piperia Cooperi 

 {Habenaria Cooperi Watson), P. lancifolia, from California, P. leptopetala, 

 from California and Washington, P. multiflora, from Washington, Montana 

 and California, P. longispica {Gymnadenia longispica Durand), P. Michaeli 

 {Habenaria Michaeli Greene), and P. maritima {Habenaria maritima 

 Greene). Trelease. 



Andrews, A. L. R., A natural hybrid b e t w e e n Habenaria 



lacera and M. psychodes. (Rhodora. III. p. 245 — 248. 



October 1901.) 



Description of a Vermont hybrid with contrasting descriptions of the 

 assumed parents. Trelease. 



BlCKNELL, E. P., Studies in Slsyrlnchium. IX. The species 

 of Texas and the Southwest. (Bulletin of the Torrey 

 Botanical Club. XXVIII. p. 570—592. October 1901.) 



A key is given to 25 species growing in Texas and the 

 adjacent states. The following new species are described: 



5. exile, S. biforme, S. radicatum, S. macrocarpon, S. longipedtin- 

 culatnm, S. pruinosum, S. Texanum, S. ensigerum, S. amethystinum, S. 

 varians, S. amoenum, S. Brayi, S. Bushii, S. Canbyi, S. colubriferum, 

 S. Helleri, S. flaccidum. The generic name Orelirion is proposed without 

 «description, for 5. Arizonicum Rothr. and 5. platyphylliim Wats. 



Trelease. 



FernaLD, M. L, Scirpus supinus and its North American 

 allies. (Rhodora. III. p. 249—252. October 1901.) 



A Synopsis, with descriptions of 5 species. The following 

 new names occur: 



6". Saximontanum (Colorado to central Mexico), 5. debilis Williamsü 

 {Massachusetts) and 5'. Smithii setosus (Illinois). Trelease. 



Dammer, [Udo], Neonicholsonla Dammer: a new genus of 

 Palms from Central America. (Card. Chron. London. 

 Ser. 3, 30. 1901. p. 178—179. fig. 56.) 



Two species of this genus are described, N. Georgei 

 Dammer, in cultivation from Costa Rica and N. Watsonl not 



