78 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 17 



PLATE 3 



Figs. 1-11. Licu/ora iruu/niin-voliicra Dawson. Figs. 1-4. Carpogonia! 

 branches in the one- and two-celled stages, from D. 

 3220, Punta Palmilla, Baja Calif. Figs. 5-8. Carpo- 

 gonial branches in the one-, two- and four-celled stages, 

 from the type collection, D. 3386, Cabeza Ballena, 

 Baja Calif. Fig. 9. An early stage in gonimoblast 

 development showing the already extensive development 

 of the involucre, D. 3386. Fig. 10. A mature cvstocarp, 

 D. 3386. Fig. 11. An antheridial branch of D. 3220. 



Fig. 12. Scinaia johnstnniac Setchell. Part of an antheridial 



plant of n. 6910 from near La Paz, Baja Calif., X 0.95. 



