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Transactions. 



^43 



Fig. 33. — Lycopodium fastigiatum. Very young prothallus, before branching. X 1 5. 



Figs. 34-38. — Lycopodium fastigiatum. Young prothalli, showing stages in branching. 

 34 and 35, X 15 ; 36 and 37, X 12 ; 38, X 9. 



Pigs. 39, 40. — Lycopodium fastigiatum. Older prothallus ; side and underneath views 

 respectively. X 10. 



Fig. 41. — Lycopodium fastigiatum. Full-grown prothallus, showing lobing on upper 

 surface. X 5. 



Figs. 42, 43. — Lycopodium fastigiatum, Prothallus ; underneath and side views respec- 

 tively. X 7. 



FiQ. 44. — Lycopodium fastigiatum. Large prothallus, with three young plants 

 attached. X 5. 



