Volume 92

Number 2

(PDF) J. K. Nelson. Vascular flora of the Rocky Flats Area, Jefferson County, Colorado, USA……………………………………121

(PDF) B. L. Turner and J. Williams. Heliotropium procumbens (Boraginaceae): Native or adventive in the USA?.....................151

(PDF) R. P. Adams, S. Terzioglu and T. Mataraci. Taxonomy of Juniperus oxycedrus var. spilinanus in Turkey: Leaf terpenoids
and SNPs from nrDNA and petN-psbM……………………....................................................................................................156

(PDF) R. P. Adams and M. E. Kauffmann. Geographic variation in the leaf essentials oils of Juniperus grandis (Cupressaceae)
and comparison with J. occidentalis and J. osteosperma ……………….…………............................................................…..167

(PDF) R. P. Adams. Chemosystematics of Juniperus: Effects of leaf drying on essential oil composition....………………….….186

(PDF) S. J. Siedo. A summary of lectotypes associated with Aloysia palau (Verbenaceae)………………………...……………..199

(PDF) W. C. Holmes and B. Amor. The vascular flora of a river bottom in east central Mississippi………………...………………206

(PDF) R. E. Stotler, B. J. Crandall-Stotler and J. R. Bray, Jr. Fossombronia marshii (Marchantiophyta), a new liverwort
species from Arkansas......................................................................................................................................................230

(PDF) R. Roseman. Chromosome counts in Bidens section, Greenmania (Coreopsideae: Asteraceae)………….................….233

(PDF) D. B. Ward and D. W. Hall. Keys to the flora of Florida - 25, Lemnaceae………………………................................……241

(PDF) J. R. Singhurst, J. N. Mink and W. C. Holmes. New and noteworthy plants of Texas………………………….……..………249

(PDF) R. P. Adams and T. A. Zanoni. The leaf essential oil of Juniperus zanonii and comparisons with the oils of J. jaliscana,
J. monticola and J. saltillensis ……………………………………………………..................................................................…..256

(PDF) R. P. Adams and M. E. Kauffmann. Variation in nrDNA and cpDNA of Juniperus californica, J. grandis, J. occidentalis
and J. osteosperma (Cupressaceae)...………………………………………………...........................................................…….266

Cover Photo. Juniperus grandis, Meyers, CA, Photo R. P. Adams, see p. 266.