California Bulbs, Rock Plants, Unusual Perennials 
43 
Saxifvaga Aizoon 
Sempervivums — Tectorum, Arachnoideum, Sobolifcrvm, Braunii, Laggerii, Rubicundum 
Hybridum, Alberlii. 
Sempervivum arachnoideum tomentosum (Syn. Laggerii) 
