. Botany for high schools and colleges. Botany. Fig. 143. — Swarm- Bpores of Chondrioder- ma difforme {Didy- mivrn Libertiamim of De Bary) coalescing or conjugating, x 390.— After Cienkoweki. {a) The following classification of the Myxomy- cetes is by Rostafinski.* He distinguishes seven orders: Order I. Protodermese. Sporangia simple, of regular shape, not possessed of a capillitium, with violet spores. Order II. Calcareee. Sporangia simple or compound, often pro- vided with a columella, spores violet or violet brown ; whole fructifica- tion, with more or less de- posits of carbonate of lime.
. Botany for high schools and colleges. Botany. Fig. 143. — Swarm- Bpores of Chondrioder- ma difforme {Didy- mivrn Libertiamim of De Bary) coalescing or conjugating, x 390.— After Cienkoweki. {a) The following classification of the Myxomy- cetes is by Rostafinski.* He distinguishes seven orders: Order I. Protodermese. Sporangia simple, of regular shape, not possessed of a capillitium, with violet spores. Order II. Calcareee. Sporangia simple or compound, often pro- vided with a columella, spores violet or violet brown ; whole fructifica- tion, with more or less de- posits of carbonate of lime. This includes many com- mon species, under the genera Physarum, FuUgo, Didymium, 8pumaria, etc. Order III. Amauro- chaetese. Single sporan- gium or sethalium, with- out lime; spores, capilli- tium, and columella almost always uniformly black, or brownish-violet colored. In this order the genus Stemonitis furnishes the most common species. Order IV. Anemese. Sporanjrium or aetlialium without capillitium or lime; columella not evident, wall of sporan- * " Sluzowce Monografia" by Joseph Rostafinski, 1875. Zopf (" Die Pilzthiere," 1884) extended the class so as to include many genera, , Vamp3^rella, Protomonas, Protomyxa, Plasmodiophora, etc., which. Fig. 144.—Fructification of Arcyria incaraata {A. adnata of Rtfki.). B, young sporangium; (7, mature sporangium ruptured ; ep, capillitium; p^ wall of sporangium, x 20.—After 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 Bessey, Charles Edwin, 1845- [from old catalog]. New York, H. Holt and company
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