OF ARTS AND SCIENCES. 115 



30. TiLL.EA MINIMA, ]\riers, & var. ( 7'. fepfoprfa!,/, Bcntli.). In Iar;;o 

 patches in a few exposed clear sjjots in the niidiUe and at the north eii<l. 



31. Epilobium minutum, Lindl., Mo. AV. Barbey. Only at tho 

 north end, among rocks and sage-brnsh ; flowers purplish white. 



— . CEnotiikra GuADALurKNSis, Watson; new species. (See 

 page 137.) Only two plants were found in a ravine on the east side, 

 near the beach. 



3'J. Mkntzklia dispersa, Watson. In ravines in the middle and 

 at the south end ; flowers orange, opening after sinidown. (Joats are 

 not fond of it. 



33. MicGARRHizA GuAnALUPENSis, "Watson ; new species. (See 

 page 138.) In crevices of high rocks in the middle of the island; 

 flowers white ; fruit green. 



— . Sanicdla Menziesii, Hook. & Am. ? Two jjlants only, 

 without flowers or fruit, in crevices of rocks in the middle of the 

 island. 



34. Daucds pusillus, Michx. Abundant through the middle of 

 the island, among sage-brush on the sides of canons and in open level 

 places ; not much relished by goats. 



35. Galium Aparine, Linn. Common on warm shady hillsides 

 in the middle and more rarely at the south end. 



36. Galium axgulosum. Gray, Proc. Am. Acad. xi. 74 ; new 

 species. A single small scrubby plant, in a crevice of a high cliff in 

 the middle of the island; flowers greenish white ; May 1. 



37. MiCROPUS Californicus, Fisch. & Mey. On dry gravelly 

 slopes in the middle of the island. 



38. Filago Arizonica, Gray. On level ground at south end. 



39. Diplostephium canum. Gray, Proc. Am. Acad. xi. 75 ; 

 new species. A large shrub of rather loose habit, some four feet high, 

 in the crevices of high cliffs ; flowers yellow ; March 28. 



40. Franseria bipinnatifida, Nutt. ? One of the most con- 

 spicuous plants at the south end, especially about .Tack's Ray, growing 

 in thick roundish clumps about a foot and a half high, on level spots 

 and among rocks, giving the country a greenish white appearance. 

 Flower-buds red ; bloom straw-color, flowering at the end of Febi uaiy. 

 Not relished by goats, but asses are very fond of it. 



41. Leptostne gigantf>;a, Kellogg. Only two plants found, in 

 the crevices of high rocks. Five feet high, branching near the top, 

 and the branches terminated with bright green leaves and masses of 

 showy yellow bloom ; May 10. 



42. Hemizonia frutescexs, Gray, Proc. Am. Acad. xi. 79 ; new 



