114 PROCEEDINGS OF THE AMERICAN ACADEMY 



and the principal food for the goats, covering the rocks ; usually three 

 or four inches high by August, and producing abundance of seed. 



20. Erodium moschatum, L'Her. Middle of the island, less com- 

 mon than the last, and starting later in the spring. In low places, the 

 root long, large, and fleshy ; leaves light green, fleshy. 



21. Rhamnus crocea, Nutt. A scraggy shrub, five feet high, of 

 a dense green hue. Only six were found, growing in the crevices of 

 high cliffs in the middle of the island ; in bloom, April 6. 



22. Ceanothus crassifolius, Torr. Of rather loose habit, eight 

 feet high ; wood very hard. Only three were found alive, at the base 

 of Mount Augusta. 



— . Ceanothus cuneatus, Nutt. A small shrub almost extermi- 

 nated, three nearly dead specimens alone being seen among rooks in 

 the middle of the island ; not in bloom. 



— . Rhus laurina, Nutt. An irregularly growing shrub, about 

 four feet high, in the crevices of high rocks ; only four found ; May 

 20, not in bloom. 



— . ViciA EXiGUA, Nutt. Among rocks in the centre of the island, 

 a single specimen seen ; very small. 



23. HosACKiA grandiflora, Benth. Among trees in the middle 

 of the island ; flowers yellow, changing the second day to bronze-red. 



24. HosACKiA arggphylla. Gray. In the crevice of a rock ; 

 flowers yellow, changing to reddish brown. 



25. LuPiNUS NivEUS, Watson; new species. (See page 126.) 

 Only in the middle of the island, on high cliffs ; one plant in bloom, 

 March 25. 



26. Trifoliuji Palmeri, Watson ; new species. (See page 132.) 

 Rather abundant in the middle of the island among rocks and trees on 

 hillsides; flowers whitish with red centre, becoming redder on the 

 edges. 



27. Trifolium microcephalum, Pursh. Very abundant at the 

 middle and north end of the island ; flowers white or light pink. 



28. Trh'OLIUM amplectens, Torr. & Gray. Only on the lii-ach on 

 the east side of the island, rare ; flowers yellowish while with dark tips. 



29. Alchemilla occidentalis, Nutt. Among rocks and sage- 

 brusii at the north eiul, and also around a spring, where it was much 

 larger. 



— . IIeuchera ? A single plant in the crevice of a rock, not 



in bloom. 



— . RiBES SANGUiNEUM, Pursh. Only two plants in the damp 

 shade of cliffs at the north end ; flowers rose-color, becoming white. 



