. Bothalia. Botany. 75 The South African specimen differs slightly from the above description in that the mycelium is rather dense and copiously branched and anastomosing ; the cells of the hyphae are rather short, 13-16 u long. [Fig. 5.] 73. Irene Zeyheri n. sp. Amphigenous, forming thin black spots 2-4 mm. diameter, or larger areas by confluence ; mycelium not dense, forming an irregular network ; branches opposite or irregular, anastomosing. Hyphae straight or somewhat sinuous, 6-6*5 [/. thick ; cells 20-30 u. long ; capitate hyphopodia alternate, 18-23 [jl long, terminal cell very variable
. Bothalia. Botany. 75 The South African specimen differs slightly from the above description in that the mycelium is rather dense and copiously branched and anastomosing ; the cells of the hyphae are rather short, 13-16 u long. [Fig. 5.] 73. Irene Zeyheri n. sp. Amphigenous, forming thin black spots 2-4 mm. diameter, or larger areas by confluence ; mycelium not dense, forming an irregular network ; branches opposite or irregular, anastomosing. Hyphae straight or somewhat sinuous, 6-6*5 [/. thick ; cells 20-30 u. long ; capitate hyphopodia alternate, 18-23 [jl long, terminal cell very variable in form, lobed in various ways, 6-14 p, broad at apex ; mucronate hyphopodia opposite or unilateral, inter- spersed with the capitate hyphopodia ; ampulliform 16-20 X 6-7 \ Mycelial setae none. Perithecia scattered, spherical, black, carbonaceous, 190-220 jj. diameter, surface cells convex. Asci two-spored, evanescent, spores oblong, brown, four-septate, slightly constricted, rounded at both ends, 39-44 X 16-18 «,.. FÍ&.5 On leaves of Eugenia Zeyheri, Howiesons Poort, , Doidge [12388]; Forest, [12272]; Van Stadens Pass, , Doidge [10878]. Pine Irene Zeyheri Doidge, n. sp. iVmphigena, maculas, tenues, atras formans. Mycelium efïusum, hyphis rectis v. leniter sinuosis, 6-6*5 u. crassis, ramis oppositis v. irregularibus, anastomosantibus ; hypho- podiis capitatis alternis, 18-23 a longis, cellula superiore varia, lobata, apice 6-14 ijl lata ; hyphopodiis mucronatis oppositis v. unilateralibus, ampullaceis 16-20 X 6-7 ;j. ; setis myceliris nullis. Perithecia sparsa, globosa, atra, 190-220 [jl diametro. Asci bispori. Sporae oblongae, brunneae, 4-septatae, leniter constrictae, utrinque rotundatae, 39-44 x 16-18 { Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Botanical Re
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1921
