Fig. 646: a-e, Phacelia heterophylla: a, base of plant, x il-; b and c, upper branches 

 of pfant, X i/i;; d, flower, x 2; e. part of open corolla, x 5. f-h, Nama stcnocarpiun: f, 

 top of plant, x lA; g, flower, x 2; h, fruit in calyx, x 2. i and j, Nama torynophyllum: 

 i, end of branch, x 2; j, flower, x 5. (V. F.). 



