Bacteriologie. — Floristik etc. 239 



Wesenheit von obligat anaeroben Organismen aus der Gruppe der 

 echten Bultersäure- und FUulnisbakterien. Die normalen Stäbchen 

 der Milchsäure fehlen. Chemisch ist das Vorkommen von höheren 

 Fettsäuren (Butter-, Kapron- und Valeriansäure) und der sehr weit- 

 gehende Abbau der Eiweisstoffe interessant. Boas (Freisingj. 



Nelson, A. and J. F. Macbride. Western Plant Studie s. IL 

 (Bütanical Gazette. LVI. p. 469—479. 1913.) 



This contribution frora the Rocky Mountain Herbarium contains 

 a number of new species and new names. 



Poitameris provincialis n. comb. {Danthonin proviiicialis, DC), 

 P. americana n. comb. {D. anievicana Scribn.. D. grandiflora Phil.), 

 P. californica n. comb. (£>. californica Bol.), P. compressa n. comb. 

 {D. compressa Aust.), P. epilis n. comb. {D. epilis Scribn.), P. gran- 

 diflora n. comb. {D. grandiflora Höchst.). P. intermedia n. comb. 

 [D. intermedia Vasey), P. sericea n. comb. {D. sericea Nutt.),/*. spicata 

 n. comb. {Avejia spicata L.), P thermale n. comb. {D. thermale 

 Scribn.; Merathrepta pinetonim Piper), P. unispicata n. comb. [D. 

 unispicata Thurb.). 



Allium textile n. n. {A. reticulatum Fräser, not A. reticulatum 

 J. and C. Presl; A. incisum n. sp. This species seems unique in 

 its incised bracts. 



Calochortus maculosus n. sp., a member of the macrocarpus- 

 group, is easily distinguished from C. bruneaunis Nels. and Macbr., 

 its nearest relative, by the hairy lower part of the petal and the 

 color, and from the others by the large purple blotch. It is separated 

 from the nitidus group by its elongated capsule and from the 

 Nuttallii group by its characteristic green band and its few ribbed 

 anthers. 



Epipactis Adans. (incl. Helleborine) must be renamed. The 

 generic name Amesia is proposed. Following enumeration of new 

 combined names is found in the paper: Amesia africana (Rendle), 

 A. atropurpurea (Raf.), A. babianifolia (Roxb.), A. consimilis (Wallich), 

 Ä. gigantea (Dougl.), A. latifolia (All.), A. microphylla (Sieb.), A. 

 orbicularis (C. Rieht.), A. palustris (Schrank), A. papulosa (F. et S.), 

 A. pycnostachys (C. Koch), A. somaliensis (Rolf), A. Thunbergit 

 (Perry), A. trinervia (Roxb.). 



Populus fortissima n. n. (P. angustifolia James, not P. angusti- 

 folia Weinm.). * 



Salix columbiae n. n. {S. pyrifolia Anders, not. S.pyrifolia Schleich.). 

 Pentacaena Bartl. is renamed into Cardionema DC. with C. ramo- 

 sissima (Weinm.), C. comphorosmoides (Walp.), C. rosetta (Walp.), 

 C. congesta (Benth.), C. andina (Phil.) 



Aconitum Howellii n. n. {A. bulbiferum Howell not Reichb.). 

 Ranunciilus reconditus n. n. {R. triternatus Gray, not Poir.). 

 Arabis crypta n. sp. from Jarbridge, Elko County, Nevada. 

 Idahoa a new name for Platyspermum Hook,, not Hofmann 

 with /. scapigera n. comb. {P. scapigerum Hook.). 



Lepidium papilliferum, n. comb. {L. montanufn papilliferum 

 Henderson) with description, it has a distinctive habit of growth, 

 it is biennial and unusually pubescent. L. philonitrum n. sp., another 

 member of the alyssoides group. 



Some species of Sophia are transferred to Sisymbrium. New 

 combinations S. paradisum (Nels.), S. leptophyllutn (Rydb.), 5. ochro- 

 leucum (Woot.), S. obtusum (Greene). 



