474 



Soientific In telUgence. 



Yet UV Itrichia seemed to be for a second time passing out of 

 view when (wo years since Nathorst again figured it, called atten- 

 tion to it as an undoubted example of a staminate disk, and 

 further laid stress upon the fact that Braun himself had shrewdly 

 noted the close association of these disks with Otozamites fronds. 

 And now, sixty-three years after the early description of this 

 problematical, there lies before us the accurate restoration not 

 only of the flower it proves to be, but of the remarkable plant 

 type which bore it. This entire study is, as we understand, based 



Fig. 20. 



A 



Fig. 20. A. Weltrichia mirabilis Fr. Braun ( x 2/5). From restoration by 

 Schuster. B. Bisporangiate strobilus of a magnolia — Cuernavaca, Morelos. 

 The scars of the dehiscent stamens retain like the leafy carpels the ancient 

 spiral order. [Reviewer's figure. Natural size. ] 



on collections made sixty and more years ago by the local collec- 

 tor Weltrich and Fr. Braun in the upper Rhat of Bayreuth 

 (Theta, Fantasie) and Veitlahm, Franconia. 



As shown in the accompanying figure 20, Weltrichia with its 

 Otozamites foliage and terminal flower does not at first sight 

 appear very different from the picture that might be formed of 

 some Williamsonian species, the secondarily elongated naked 

 instead of short bract or scale-leaf ensheathed flower-stalk of 



