EXPLANATION TO PLATE XXIX. 



Fie;. 1. Chidoi-iir/iiix jionrtiilcsii Yen-ill. Part of hydroeladinm > greatly enlarged). 



Cladocarpus pourtalesii riivlactogoniuni and gouangia (enlarged). 



3. f'laducai-piis i-ar'uuttim Nutting. Part f hydroeladinm (enlarged). 



4. I'li/ilofuriiiiK I'uriiiatiis. Side view of hydrotbeca (greatly eiihu-yrd). 

 fi. I'liiihrdi-inis niriiiuliiK. Front vic\v of hj-drotliecie (greatly rnlar^ed i. 

 li. Clailiirtirpus ftirinaliiK. Front of stem (enlarged). 



7. ('hidiicai'inifi i-drinaliiH. Part of hydrocladiiini bearing pbylai-togonia ami jjon.-mgia (enlarged). 



8. Atjlnoi>lirn<ii>>* lilrxnla Fi'\vki's. Part of hydrooladium (enlarged). 



(1. J///(H)/i//fiiyniis liiriiln. Side view of hydrotheca (greatly enlarged). 



10. Aglaonlieopsh liirsuta. Front view of hydrotheca) (greatly enlarged). 



11. Aijlaophenopsls liir/tutu. Front \iew of utein (enlarged). 



12. Aglaophennpsis hirsuta. Basal bydrotheea and phylactogoniuiu (enlarged). 



13. Aglaophenopsis hirsuta. Gonangium. 



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