OF ARTS AND SCIENCES. 113 



4. Sisymbrium reflexc.m, XiUt. (S. defexum, Ilnrv.) Abun- 

 dant in the mitltlle and at the south end, in low grounds ; llowers 

 white. 



5. Brassica nigra, Koi-h. In consideruhle quantity in the middle 

 of the ishmd, in open spots and on the best soil ; oaten by goats. 



G. Sisymbrium canescens, Nutt. In great abundance in warm 

 sheltered localities. 



7. LF.riniiM Menziesii, DC. Generally abundant on warm hill- 

 sides througlioiit the island ; not much eaten by goats, as also the next. 



8. Lepidilm lasiocarpum, Xutt. In ravines in the middle of the 

 island, rarely at the south end. 



9. Thysanocarpus erectus, Watson ; new species. (See page 

 124.) Found only between Jack's Bay on the west side and Mount 

 Augusta, in clear level spots ; succulent. 



10. Oligomeris subulata, Boiss. In deep warm canons and 

 ravines in the middle of the island, and occasionally at the south end. 



11. SiLENE Gallica, Linn. Occurring sparingly in th'e middle of 

 the island, in level open spots. 



12. SiLENE ANTIRRHIXA, Linn. Only in a caiion on the east side, 

 near the beach. 



13. Stellaria nitens, Xutt. Among rocks on hillsides, in the 

 middle and at the north end. 



14. Calaxdrixia Mexziesii, Hook. In moist spots in the open 

 valleys all over the island, growing in masses ; flowers white to rose- 

 color or purple, opening at midday. Goats are very fond of this and 

 the next. 



15. Claytoxia perfoliata, Donn. All over the island, in masses 

 on the shaded side of rocks or logs, or in deep ravines ; flowers pink. 



16. Malva BOREALis, Wallm. Only on the richer open spots in 

 the middle of the island, in dense masses ; goats at first eat only the 

 young leaves, but in summer devour the whole. 



17. Lavatera occidextalis, Watson ; new species. (See page 

 125.) A conspicuous plant on the cliffs in the middle of the island, 

 only rarely, and with difficulty, accessible. In flower and immature 

 fruit ; April. 



18. Sph^eralcea srLPHUREA, Watson ; new species. (See page 

 125.) In large bunches, three feet high, very abundant on rocky 

 slopes and in the crevices of the highest rocky ridges, from the middle 

 of the island to the southern end, where it was most frequent ; much 

 relished by goats ; April to May. 



19. Erodium cicutarium, L'ller. Abundant all over the island, 



VOL. XI. (n. S. III.) 8 



