. Plants and their uses; an introduction to botany . Fig. 326.—Pin-mold. Formation and germination of zygospore. /, twoconjugating, branches of the mycelium in contact. 2, separation of thetip of each by cross-partitions, thus forming two conjugating-cells(a, a) and two suspensors (6, 6). 3, more advanced stage; wartythickenings have begun to form on the conjugating cells, which, how-ever, are still separate. 4. ripe zygospore (6) between the suspensors(a, a); the conjugating cells now having completely fused. 3, zygo-spore germinating by producing a vertical hypha with dust-spore caseat the t
. Plants and their uses; an introduction to botany . Fig. 326.—Pin-mold. Formation and germination of zygospore. /, twoconjugating, branches of the mycelium in contact. 2, separation of thetip of each by cross-partitions, thus forming two conjugating-cells(a, a) and two suspensors (6, 6). 3, more advanced stage; wartythickenings have begun to form on the conjugating cells, which, how-ever, are still separate. 4. ripe zygospore (6) between the suspensors(a, a); the conjugating cells now having completely fused. 3, zygo-spore germinating by producing a vertical hypha with dust-spore caseat the tip. /-4, magnified 225 diameters; 5, about 60 diameters.(Brefeld.) the pseudo-root of the plant, and for a while it is the onlymember developed. Pin-shaped vertical hj-phse, which maybe called pseudo-stems, arise into the air from the feedingmycelium, and the tip or head of each being separated by1 My-celi-um < Gr. mykes, a fungus. 498 LIFE-HISTORIES.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
