INTRODUCTION TO CRYPTOGAMIC BOTANY. 



451 



Nilgherries and the Straits of Magellan. Of the other species 

 some are tropical, while others, as 3f. eriocaula (Fig. 4), 

 belong to the more equable temperate regions. This is re- 

 ferred by Mitten, together with M. prehensilis and Aneura 

 onuUlfida, to Sarcomitrium. The tribe would, perhaps, be 

 better united witli Haplolwnem. 



Fig. 95. 



a. Symphyogyna subsimple.r, nat. size, with scale-sliaped involucre 

 slightly magnified. 



b. Symphyogyna hymenophjlla, nat. size. Both from the Hookerian 

 Herbarium. 



c. Blyttia Lyellii, sporangium bursting througli the two involucres, 

 and the involucres laid open, so as to show the archegonium or calyptra 

 in situ, with two or three abortive archegonia at the base. From a 

 specimen gathered in Louisiana by Drummond. 



d. Petalophyllum Ralfsii, nat. size, and sporangium magnified. From 

 a specimen received from Mr. Ralfs. 



e. Androcryphia porphyrorhiza. After Montague, in Ann. d. Sc. Nat., 

 Juil. 1839. 



/. Leaf of Frullania aterrima, magnified. 

 g. Ditto of F. aculeata. 



h. Ditto of F. incumhens (lobes open below). 

 i. Ditto of F. cornigera (lobes open above). 



The two first from the Hookerian Herbarium, the two latter fro:ii 

 Flora of New Zealand. 

 29 * 



