560 DR. LINDSAY ON NEW-ZEALAND LICHENS. 
Fig. 21. L. petrea, Flot. : Otago. . Spores: a, young; b, mature; c, old. 
Fig. 22. L. parasema, Ach.: Otago. Spores—young,. mature, and old. 
Fig. 23. L. parasema, Ach., var. latypea, Ach.: Otago. Spores: a, young; 5, mature; c, old. 
Fig. 24. L. parasema, Ach., var. enteroleuca, Ach.: Otago. Spores, young and mature. . 
Fig. 25. L. contigua, Fr., var. crustulata, Ach. : Otago. Spores—young, mature, and old. 
Fig. 26. L. contigua, Fr., var. meiospora, Nyl.: Auckland. a, theca under iodine ; 6 and c, spores 
(b, mature; c, old). 
Fig. 27. L. lapicida, Fr., var. declinans, Nyl.: Otago. Spores, young and mature. 
Fig. 28. Arthonia excedens, Nyl.: Otago. a, theca; b-d, spores (b, young; c, mature; d, we 
Fig. 29. A. conspicua, Nyl.: Auckland, N.Z. a, apothecium ; 5, spore. 
Fig. 30. Verrucaria glabrata, Ach.: Otago. a and b, sterigmata and spermatia : a, major forms ; b, minor 
forms. 
Fig. 31. Lecidea cinnabarina, Fr.: Auckland, N.Z. Boot s mature. 
Fig. 32. L. pyrophthalma, Mont.: Auckland, N. Z. Spores, mature. 
