20 CONTRIBUTIONS TO WESTERN Botany No. 17 
midrib, and tissue-paper-like, and at last rotate spreading,| being crowded 
out by the inflated ovary. The anthers on the pistillate flowers are ovate 
? 
but I see no signs of it in the specimens gathered, and the plants are therefore 
Allium Haematochiton. As far as I can learn, all the southern Cali- 
fornian material referred to thi sspecies, outside of San Luis Obispo region 
is what Davidson has described as A. Marvini. It is true that Davidson 
sometimes they are diamond-shaped on the same bulb scale, at the ends. 
Normally the bulb scales are brilliant red or purple, and very thin, and 
seep of water in the spring. They grow only in the Tropical life zone, and 
bloom early, mostly in March. Davidson’s type was got near Beaumont. It 
is frequent at Puddingstone Dam, near San Dimas, 
Allium. The reticulatum group of this genus is very common in western 
