Organography of plants, especially of the archegoniatae and spermaphyta . Fig. 145. Polypodium seen from below. On themargin are bristle hairs and rhizoids,IVh. On the surface two groups ofarchegonia surrounded by rhizoids. Itis only at the points where these groupsare that the prothallus is Fig. 146. Apex of a band-like prothallus with bristle hairs. Oneof these bristle hairs shows a spiral line of rupture the result of swellino-in potash solution. Highly magnified. their free propagation by gemmae which will be presently mentioned ^ mayalso be co


Organography of plants, especially of the archegoniatae and spermaphyta . Fig. 145. Polypodium seen from below. On themargin are bristle hairs and rhizoids,IVh. On the surface two groups ofarchegonia surrounded by rhizoids. Itis only at the points where these groupsare that the prothallus is Fig. 146. Apex of a band-like prothallus with bristle hairs. Oneof these bristle hairs shows a spiral line of rupture the result of swellino-in potash solution. Highly magnified. their free propagation by gemmae which will be presently mentioned ^ mayalso be connected with this epiphytism.


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Keywords: ., bookcentury1900, bookdecade1900, bookido, booksubjectplantanatomy