| 单词 | Ophioglossum |
| 例句 | The deep recesses of the few remaining forests harbour some kinds which very closely resemble European forms, and belong to the genera Aspidium, Polypodium, Asplenium, Adiantum, Scolopendrium, Ophioglossum, and Pteris. The Highlands of Ethiopia 2011-02-25T03:01:07.193Z Adder-tongue, Ophioglossum; spore-cases in a kind of spike: a, a portion of the fruiting part, about natural size; showing two rows of the firm spore-cases, which open transversely into two valves. The Elements of Botany For Beginners and For Schools In Ophioglossum the sterile division of the leaf is usually smooth and undivided, and the spore-bearing division forms a sort of spike, and the sporangia are much less distinct. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses |
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