394 CALIFORNIA ACADEMY OF SCIENCES. 



51. LupiNUS AFFiNis, Agh. Syn. Lup. 20. 



52. LupiNUS NANUS, Dougl. Benth, Hort. Trans., new ser. 

 i. 409. t. 14. 



53. LuPiNUS TRUNCATUS, Nutt. ; Hook. & Am. Bot. Beech. 

 336. 



54. LupiNUS HiRSUTissiMUS, Benth. Hort. Trans. 1. c. 



55. LupiNUS UMBELLATUS, Greene (see page 145). 



5Q. LupiNus MiCROCARPUS, Sims. Bot. Mag. t. 2413. — All 

 the above annual species appear in the interior only. Some 

 of them may easily have been introduced from the mainland 

 with seed of grain. 



57. Trtfolium ciliatum, Nutt. PI. Gamb. 152. 



58. Trifolium exile, Greene, Pittonia. i. 6. 



59. Trifolium tridentatum, Lindl. Bot. Keg. t. 1070. 



60. Trifolium microdon, Hook. & Arn. Bot. Beech. 330 

 t. 79. 



61. Trifolium microcephalum, Pursh, Fl. ii. 478. 



62. Trifolium fucatum, Lind]. Bot. Keg. t. 1883. 



63. Trifolium amplectens, Torr. k Gray, 1. c. 319. 



64. Melilotus paryiflora, Desf. Fl. Atl. ii. 192. 



65. Medicago denticulata, Willd ; DC. Prod. ii. 176. 



66. Syrmatium dendroideum, Greene (see page 146). 



67. Syrmatium patens, Greene (see page 147). 



68. Syrmatium niveum, Greene (see page 148). 



69. HosACKiA ? OCCULTA. Growing parts of the plant vil- 

 lous-canescent, the older glabrate and green: leaflets 6, one 



