ASCOMYCETES 385 



the disc gradually expanding until flat, black, shining, 

 f-ig- in. across ] flesh gelatinous, brown ; asci usually con- 

 taining only four elliptical, slightly curved, brown spores, 

 measuring 10-14 X 5-6 /a ; paraphyses brownish, curved at 

 the tip. 



RMzina, Fries. — Ascophore sessile, expanded from the 

 first, and forming a crustiike, fleshy structure, furnished 

 on the under surface with numerous fibrillose, rootlike 

 strands ; asci cylindrical, 8-spored ; spores continuous, 

 hyaline, elliptical, or fusiform ; paraphyses present. 



RMzina inflata, Quelet. — Crustlike, wavy, bay-brown, or 

 umber, margin paler, form variable, often lobed, smooth, 

 1-3 in. across, rhizoids pale, numerous; asci cylindrical; 

 spores 8, fusiform, tinged brown at maturity, 32-36 x 

 9-10 //, ; paraphyses septate, clavate, tips brown, mixed 

 with the paraphyses are stouter, brown, clavate bodies 

 without septa. 



Cyttaria, Berk. — Ascophore obovate or subglobose, 

 fleshy, stuffed, or hollow, surface furnished with alveolae 

 lined by the hymenium, and at first covered by a veil ; 

 asci cylindrical, 8-spored ; spores continuous, hyaline, 

 elliptical, smooth ; paraphyses numerous. 



Cyttaria darwinii, Berk., Lin?L Trans., xix. p. 37. — 

 Whitish, globose, 2-4 cm. diameter, at first even, then 

 alveolate, always stuffed; asci 150-160X10 /x ; spores 8, 

 uniseriate, elliptical, ends obtuse, smooth, 14-16x8 /a. 



Fischer states that spermogonia are immersed in the 

 lower part of the ascophore, containing elliptical conidia 

 2X1-5 fj.. 



Cyttaria hookeri, Berk., Hook., Fi. Antarct., p. 452. — 



2 B 



