116 PHANEROGAMIA. 



Florida and New Mexico, the petals are sometimes as long as the 

 calyx. Kunth describes them as shorter than the calyx. In our 

 Peruvian specimens they are fully as long as the sepals. The pubes- 

 cence is variable, sometimes almost wanting. The seeds are lenti- 

 cular, black, very smooth and shining. 



2. Arenaria scopulorum, H. B. K. 



Arenaria scopulorum, H. B. K. Nov. Gen. & Spec. 6, p. 31; DC. Prodr. 1, p. 411. 



Hab. Above Casa Cancha, in the high Andes of Peru, a little below 

 the snow-line. 



3. Arenaria serpens, K B. K. 



Arenaria serpens, H. B. K. Nov. Gen. & Spec. 6, p. 32 ; DC. Prodr. 1, p. 412. 



Hab. Baiios, Andes of Peru. (Also near Cerro Pasco, Matthews. 

 Andes of Quito, Jameson.) 



4. Arenaria andicola, Gill. 



Arenaria andicola, Gillies, in Hook. & Arn. Bot. Misc. 3, p. 148. 

 A. serpylloides, Gay, Fl. Chil. 1, p. 271? 



Hab. High Andes of Chili, above Santiago, near the snow-line. 



"Very closely allied to A. serpens, H. B. K.," as Hooker and Ar- 

 nott remark ; and I suspect no more than a variety of that species. 



5. Arenaria Alpamarcle, Sp. Nov. 



A. ccespitosa, nana, glabra; foliis confertis imbricatisve ovato-lanceolatw 

 carinatis cuspidatis rig id is basi par urn ciliolatis comiatis; peduncido 

 terminali unifloro foliis jhreque paullo longiore; sepalis foliis simili- 

 bus capsulam oligospermam sex-valvem subsuperantibus ; petalis nullis ; 

 staminibus 5. 



