NITOPHYLLA OF CALIFORNIA. DESCRIPTION 

 AND DISTRIBUTION.! 



BY CHARLES PALMER NOTT. 



CONTENTS. 

 Plates I-IX. 



Page. 



I. Introduction 2 



II. History 2 



III. General Description 5 



Synopsis of Generic Characters 5 



Remarks on Some Generic Characters as Illustrated 



BY Californian Species 7 



The Prostrate Frond 7 



Influence of Substratum 7 



Formation of Rhizoids S 



Offshoots and Innovations 9 



The Erect Frond 9 



Size 9 



Shape and Brattching g 



Form and Branching as Specific Characters 10 



Stalk 10 



Midrib 10 



Nerves 1 1 



Veins 11 



Variable and Fixed Characters 11 



Venation 12 



Sort 12 



Proliferation 13 



Antheridia and Cystocarps 14 



Parasites 14 



Geographical Distribution of the Genus 14 



Habitat 15 



IV. Description and Distribution of Species 15 



Key to the Californian Species of Nitophyllum 15 



A^. andersoniantim 32 



N. harveyanuni 29 



JV. inultilobum 27 



N. violaceum 39 



A^. ruprechtianum 34 



N. latissimuin 16 



N. fryeanum. . • 22 



N. uncinatiim 26 



N. corallinarum 24 



N. spectabile 21 



Table of Distribution of Species 43 



Literature and Exsiccate Cited in this Paper 45 



Explanation of Plates 46 



1 Contributions from the Botanical Laboratories of the University of California, No. ro. 



[i] July 24, 1900. 



