Phytogeographic Notes from Palestine

Stories from Palestine and Israel.

Notes on Dictyuchus species (Stramenopila, Oomycetes) from Anzali lagoon, Iran

Nine Dictyuchus isolates were obtained from floating and decaying twigs and leaves in Anzali lagoon, Anzali County, Guilan province, Iran. They are interestingly distinguished from current Dictyuchus species by the presence of dictyoid and achlyoid type of zoospore discharge, abundant fusiform and spherical gemma, and the absence of any sexual apparatus. In addition, phylogene...

Notes on some Encyrtidae (Hymenoptera: Chalcidoidea) from Iran

زنبور‌های خانواده‌یEncyrtidae از عوامل موفق در کنترل آفات گیاهی و به ویژه شپشک‌های آرد‌آلود می‌باشند. در مطالعات انجام شده در سال‌های 85-1381 که به منظور شناسایی پارازیتوییدهای شپشک‌های آردآلود در استان فارس انجام گرفت، از این خانواده و زیرخانواده‌ی Tetracneminae، گونه‌های Gyranusoidea indica Shafee, Alam & Agarwal از روی شپشک آرد‌آلود Maconellicoccus hirsutus (Green) روی توت سفید در جهرم،Anagy...

Notes on Complexity Theory Notes Taken From

I assume that most students have encountered Turing machines before. (Students who have not may want to look at Sipser’s book [3].) A Turing machine is defined by an integer k ≥ 1, a finite set of states Q, an alphabet Γ, and a transition function δ : Q×Γk → Q×Γk−1×{L, S,R}k where: • k is the number of (infinite, one-dimensional) tapes used by the machine. In the general case we have k ≥ 3 and ...

First Occurrence of Platycladus from the Upper Miocene of Southwest China and Its Phytogeographic Implications

Platycladus Spach is native to Central China, but its natural occurrences are very difficult to establish. According to molecular phylogenetic data, this genus might have originated since the Oligocene, but no fossil record has been reported. Here, we describe eight foliage branches from the upper Miocene in western Yunnan, Southwest China as a new species, P. yunnanensis sp. nov., which is cha...