Vol. 25: The distribution of Hepaticæ in Scotland, by S.M. Macvicar.

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 edition. Excerpt: ...the petiole gradually straightens, until by the time the lamina has expanded It-is quite straight. After growth of forty-four days the cotyledons attained a length (including petiole) of 3-6 cm., and the lst leaf a length of 2-31cm., with lamina 6mm. and petiole 2-25 cm. While this development of cotyledons and leaf is proceeding, the root, in an early stage pale and translucent, has now become a deeply descending thick tap-root containing an abundance of food-material, which has been here stored up at the expense of rapid growth and development Of stem and leaves. After about two and a half months' growth the roots are out of the bottom of the pot, 9'2 cm. in depth, in which the seed was sown, and are from 1 mm. to 1-5 mm._ in diameter above. The 2nd leaf issues from the protecting sheath at the base of the lst leaf, and undergoes the same pr0cess of development as the lst leaf. R0011 very long and tapering, finally extremely thick and stout, with numerous lateral rootlets. Hypocotyl 3mm. above ground in largest plants, 511?'Sml-lti glabrous, very pale yellowish-green, often stained with purple. Cotyledons linear or extremely narrow linear-lanceolate, sometimes falcate, green on both surfaces, entire, subacute_0l' Pbwse slebrous. 15 4V5 cm. in length, with lamina tapering into and about equalling petiole; lamina 2mm. broad; Pemle brownish_or brownish-red, very obscurely channelled, connatey and forming a short sheath at base, 1st and 2nd leaves radical, j; 4'8 cm. long, ternate 01' P_"'lma'l'e1Y tfifid, glabrous, green on both surfaces or somemmes stained Pu1'Pl-; leaflets and segments narrow-obovate, lenceolate or linear-lanceolate, entire or with from one $0 three teeth M &Pi0al end, 14 mm....