1 1 4 EXPEBIMENT STATION RECORD. 



Ill additiou to the catalogue of i)laiits and descrii>tion.s of new species, 

 the authoi', iu an introductory chapter, gives an account of the itiner- 

 ary of the j:xpedition, the principles of plant distribution, distribu- 

 tion of plants in southeastern California, charac^teristics and adapta- 

 tionc of the desert tlora, and a comprehensive bibliography. The col- 

 lection of over 2,000 specimens yielded new species as follows: Aplo- 

 pappus interior, AquUegia pubescens, Arctomecon merriami, Arenaria 

 compact a, Astragalus eremicus, A. inyoensis, A. panamintoisis, A. vir- 

 ginexs, Atriplex tvJarensis, Bocrhavia armulata, Buddleia utahensis, 

 Ceanolhus pinetorum, Coleosanthus desertorum, Cryptanthe recurvata, 

 Cymopterns panamintensis, Ephedra riridis, Erigeron cairns^ Eriogonum 

 hrachyantliv))!, E. iiirale, Erysimum aspervm perenne, Frasera tvbnlosa, 

 Gayophytum criospermum^ Isomer is arborea globosa^ Lepidospartum stri- 

 atum, Lotus argensis, Ltipinns covillei, Mentzelia refiexa. Jlloharea breri- 

 flora, Nararretia seiiloba, N. setosisima punctata, Bemophila spatulata, 

 (Enothera xylocarpa, Pcnstemon frntic{formis, Phacelia hispida brachy- 

 antha, P. perityloides, PhJeospora bigcloria'. Phlox austromontana, Phyl- 

 logonum liiteolnni, Potent ilia eremica, P. inirpurascems piuetorum, Sarco- 

 batns baileyi, Saxi/raga iyitegrifoUa sierra', and Uromyces bicolor. 



Various groups were distributed to specialists for identification, and 

 are reported in their proper places. 



Manual of the Phanerogams and Pteridophytes of -western 

 Texas, J. M. Coulter ( U. IS. Dept. Agr., Dirision of Botany, Contribu- 

 tions from U. S. National Herbarium, vol. 2, No. 3, pp. 347-588). — This is 

 the concluding part of the Manual of Phanerogams and Pteridophytes 

 of western Texas, the other parts having been noticed in E. S. E., S, p. 

 103, and 4, p. 84. This part includes the ApetaUv, Monocotyledons , Com- 

 ferw, and Pteridophyta. The Juncactw were pre])ared for this manual by 

 F. V. Coville, the genus Carex by L. H. Bailey, the Graminea' by L. H. 

 Dewey, and Pteridophyta by L. M. Underwood. The disposition of 

 species is as follows : ApetaUv, 21 orders, 85 genei a, 377 species ; Mono- 

 cotyledons, 23 orders, 157 genera, 05 L species; Gym7iosperms,2 orders, 5 

 genera, 21 species; and Pteridophyta, 7 orders, 19 genera, 54 species, 

 uialdng a grand total of plants for the region covered by this manual 

 of 134 orders, 812 genera, and 2,793 species. 



A practical guide for the preparation and care of herbarium material, C. 

 Duval (Paris: Gamier Bros., lS94,pp. 157.) — The work is divided into two parts, 

 the first dealing with phauerogams and the second part with cryptogams. The 

 second part was prepared with the collahoratiou of various specialists in the larger 

 groups. Full directions are given for collecting, prejiaring, determining, and caring 

 for all kinds of herbarium material. 



A study of henna, Ehrmann {Jour. Pharm. et Chim., 14 {1894), ser. 5, No. 12, pp. 

 591-598, fig. 1). — A report on botanical, micrographical, and chemical studies, as well 

 as on its properties and uses among the Arabians. 



New proof of the correctness of the law of the arithmetical mean, Now- 

 ACKi (Dent. landiv. Pressc, 27 (1894). No. 52, pp. 518, 519).— K discussion of the rela- 

 tions between the lengths of the adjacent intinnodes in the straw of small grains. 



