266 PETCH : THE FUNGI 



Fig. 2 Another, showing branching in the chain of spheri- 

 cal cells, x 300. 

 a 3. Hypha from the exterior of a sphere, with sphencal 

 Us only, x 300. 

 Fie L, i. Hypha? from the interior of a sphere, bearing oval 

 cells only, with aseptate swellings on the hypha. x 300. 

 Hypha from a sphere, showing developing sid> 

 branches, x 300. 

 Fig. 7. Four days' growth of the detached oval cells in water 



x 300. 

 Kg. 8. Four days' growth of the detached oval cells m comb 

 extract, x 300. 

 Plate XIX. — Fig. 9. Stage- in the branching of the chains 

 of oval cells. x 3 1 



Fig. 10. Pang of the "ArmiOaria " form of Volvaria > urkiza: 

 the stem bears scales of the same texture below. 

 Nat. size. 

 Fig. 11. Longitudinal section of a developing pileus of the 

 Armiflaria" form. Nat. size. 

 _ I -- Section of stem, showing ring : on one side it is appar- 

 ently continuous with the lower portion of the stem, 

 on the other united to it by a collar. Nat. size. 

 _ 13 Section of stem, showing an oblique ring. Nat. SU 

 F_ U Base of stem of the "Phtfeue" form. Xat. size. 

 Kg r. B stem of the "ArmiUaria" form. Nat. size. 



s Lerenohym sells from an aborted agaric, x 30 



17 An annular cell from an aborted t x 300 



I'lnu XX Kg. 18. A i . " ArmiUar 



form • 1 in a cartilaginous coat which is continuous 



with the super ficial comb mycelium. Nat. size 

 Kg Ifi An older -tage ; broken off the comb and Bhowing 



ti of the cartilaginous '-oat. Nat. sta 



F \ developing ihowing differentiation of fche 



internal tissue at the apex. Nat. sua 



