Crossword-Solution: ACROGENS 8 letters, 1 clue 🏆 scrabble score: 11

This last result led me to Lindley's "Vegetable Kingdom," in which I found (excluding thallogens and acrogens) that the genera include each 10.46 species (how near by chance to the Curculionidae), and I find 21 orders including single genera, and these 21 genera have on average 7.95 species; but if Lindley is right that Erythroxylon (with its 75 species) ought to be amongst the Malpighiads, then the average would be only 4.6 per genus.

Brongniart enumerates forty-seven liassic acrogens, most of them ferns; and fifty gymnosperms, of which thirty-nine are cycads, and eleven conifers.

The coal-period was called by Adolphe Brongniart the age of Acrogens,[1] so great appears to have been the numerical preponderance of flowerless or cryptogamic plants of the families of ferns, club-mosses, and horse-tails.

Here I ceased for the day, having I think ascertained that ferns are endorhizal, and that the primary divisions of the roots hence have sheaths, which adhere to the apex of the root itself.--What a strange union of roots, that of monocotyledons in the main divisions, and of pure acrogens in the minor!! I cannot help thinking that the secret is hidden in these ramenta, which, as is known, are so universal as obviously to have higher functions than those of mere covering scales.

The amount of testimony proving their analogy in germination to be with Acrogens, must be very strong before I am convinced that plants with perfect ovula as Rafflesia, etc.