. The fern lover's companion; a guide for the Northeastern States and Canada. B. Indusium Present. Sori on the edge of a ])in-nule terminating- a ^-ein;sporangia at tlie base of along, bristle-like recep-tacle surrounded by ac u p-s h a p e d Fern. Tricho- ma ries. 2. Indusium formed by the reflexedmargin of the pinnules. (1) Sporangia on a continuous line;fronds large, ternate; indusium nar-row. Bracken. Brake. Pteris.

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Keywords: ., bookcentury1900, bookdecade1920, bookidcu3192400171, bookyear1922