402 



INDEX. 



Trifolium Gambelii, 131. 

 gracilentum, 129. 

 gymnocarpon, 129. 

 Haydeni, 128. 

 heterodon, 130. 

 involucratura, 130. 

 Kingii, 128. 

 Lemmoni, 127. 

 longipes, 128. 

 Macraji, 129. 

 macrocalj^s, 130. 

 megacephalum, 127. 

 melananthum, 130. 

 microcephalum, 114, 131. 

 microdoii, 131. 

 monanthura, 131. 

 nanum, 128. 

 obtusiflorum, 130. 

 oliganthum, 131. 

 Palmeri, 114, 129, 132. 

 Parryi, 130. 

 pauciflorum, 130. 

 platycephalum, 127. 

 plumosuni, 128. 

 polyjihyllum, 130. 

 reflexum, 127. 

 spinulosum, 130. 



Trifolium stenophylhim, 131. 



stoloniferum, 127. 



subcaulescens, 129. 



tridentatum, 130. 



variegatuni, 130, 131. 



Wormskioldii, 130. 

 Triodalliis rupestris, 83. 



V. 



Vauquelinia corymbosa, 148. 



Torreyi, 147. 

 Velocity of Clouds, Determination 



of, 263. 

 Yicia Americana, 134. 



exigua, 114. 

 Viviparous Echini from Kerguelen 

 Island, 231. 



W. 



Weissia viridula, 121. 

 Wires, Change of Electrical Resist- 

 ance in, by Stretching, 303. 

 AVyethia coriacea, 77. 



Cambridge: Press of John WilHon & Son. 



