. Dansk botanisk arkiv. Plants; Plants -- Denmark. 14 Dansk Botanisk Arkiv, Bd. 2. Nr. 2. Ectocarpus Rallsiæ is evidently nearly related to Ectocarpus coniferus and Ectocarpus irregularis. The most essential differences are as follows: the frequently stalked sporangia, the shape of the plurilocular sporan- gia, this being more cylindrical, tapering rather suddenly to- wards the apex (comp. Mlle Vickeks' fig. 1. c); and also the distri- bution of the sporan- gia, these being placed anywhere upon the filaments, much more irregularly than in Ectocarpus coniferus. Furthermore the fila- ments in Ec
. Dansk botanisk arkiv. Plants; Plants -- Denmark. 14 Dansk Botanisk Arkiv, Bd. 2. Nr. 2. Ectocarpus Rallsiæ is evidently nearly related to Ectocarpus coniferus and Ectocarpus irregularis. The most essential differences are as follows: the frequently stalked sporangia, the shape of the plurilocular sporan- gia, this being more cylindrical, tapering rather suddenly to- wards the apex (comp. Mlle Vickeks' fig. 1. c); and also the distri- bution of the sporan- gia, these being placed anywhere upon the filaments, much more irregularly than in Ectocarpus coniferus. Furthermore the fila- ments in Ectocarpus Rallsiæ are nearly all fairly uniform, rea- ching a diameter of about 27 This species was only- found once, S o mas: Store Nordside Bugt. Geogr. Distrib. West Indies. 5. Ectocarpus rhodochortonoides nov. spec. Ectocarpus fila- mentis erectis e filis repentibus, horizont- alibus, irregulariter flexuosis, egredienti- bus instructus. Filamenta erecta, parce ramosa, 21 p. crassa, superne in pilum transformata. Articuli in inferiori parte filorum usque ad 3 plo longiores quam latiores, in puis usque ad 14 plo. Sporangia plurilocularia sessilia, interdum breve pedicellata,. Fig. 7. Ectocarpus Rallsiæ Vickers. a part of thallus with plurilocular sporangia. b filament with plurilocular and unilocular spor- angia c, cells in active state in the upper end of a hair, d, base of a plant. (a and b, about 90: 1; c and d, about 70: 1).. 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 Dansk botanisk forening. Kbenhavn : Dansk botanisk forening
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