1 30 PATAGONIAN EXPEDITIONS I BOTANY. 



zini, as a southern South American genus, and is described in Macl., p. 

 427. Its silicle is cordate, and its sepals persisting, and its valves foveo- 

 late, or pitted, and stigma capitate. Of its three species, one, C. serratus, 

 belongs to Brazil, the other two, C. patagonicus (Speg.) Muschl., and C. 

 rhytidocarpus (Hook.) Macl., are Patagonian. Hactenus G. M. 



CORONOPUS DIDYMUS (L.) Sin. (Brief conspectus]. 

 Styles rudimentary or none ; leaves pinnatifid. 



Subspecies EUDIDYMUS Muschl. 



Silicles 2-3 mm. broad, fruiting racemes dense, pedicels erect or sub- 

 erect. Almost cosmopolitan. Its var. C. didynms (L.) Sm., subsp. 

 eudidymus var. macrocarpus Muschl. 



Plants rather large, to 25 cm. high, with simple white hairs, rather long, 

 silicles 2-3.5 mm - broad. Its forma pectinatus (DC.) Muschl. (syn. Sen- 

 ebiera pectinata DC.) 



Patagonia, Ushuaia, Fuegia. Also in Brazil, Madagascar, Madeira, and 

 in Eastern Asia. 



C. DIDYMUS (L.) Sm. subsp. AUSTRALIS (Hook.) Muschl. 

 (Syn. C. ausiralis Hook. f. in Macl., p. 128.) 



In Fuegia, by Cape Horn. Forma pectinatus (DC.) Muschl. (Senebiera 

 pectinata DC.); Patagonia, by Ushuaia. 



Subgenus DELPINOELLA Muschl. (Described pro gen. in Macl., p. 427.) 

 C. PATAGONICUS (Speg.) Muschl. 



(Described, 1. c., sub. Syn. Delpinoella patagonica Speg.) 

 S. Patagonia, between S. Julian and Rio Deseado. 



C. RHYTIDOCARPUS (Hook.) Macl. 

 (Described in Macl., p. 428. Patagonia, rather rare.) 



C. AUSTRALIS (Hook. f.). 



At Cape Horn (by Reiche). 



P. 427: Change Delpinoella patagonica Speg., so as to be Coronopus 

 patagonicus (Speg.) Muschl. W. Patagon., Rio Aysen; Rio Palena; 

 Cordillera of Chili. 



