264 FLORA OF TASMANIA. [Fungi, by M. J. Berkeley. 
down, binding the sand together without any decided filaments. Trama compact. pores globose, 15 inch: 
across, strongly echinulate,—This agrees with Hydnangium in the trama separating in the centre, in conse- 
quence of its compact structure, and with Octaviania in its sterile base. There is only a single speeimen, much 
eaten by insects. 
Gen. XXXV. LYSURUS, Fy. 
Receptaculum sursum divisum in lacinias equales integras l. emarginatas, apicibus liberis. 
This genus is distinguished from Clathrus by the free apices of the laciniee, and from Aseroë by their not being 
deeply bifid. (Name from Ava, to loosen, and ovpa, a tail ; from the free divisions.) 
l. Lysurus Archeri (Berk). (Tas. CLXXXIV.) 
Has. On the ground, Archer. 
Pirate CLXXXIV, Fig. 1, young plant, and volva of old; 2, expanded plant; 3, laciniee :—a7J nat. size ; 4, 
transverse section of lacinia ; 5, tips of ditto; 6, surface of ditto ; 7 and 8, threads of structure; 9, spores :—all 
magnified, 
Gen. XXXVI. ILEODICTYON, 7. 
Volva universalis, globosa, intus gelatinosa. Receptaculum sessile, cancellatum, ramis late fistulosis 
nec porosis ilia mentientibus. Hymenium setis parieti interno adhærens. 
Distinguished from Clathrus by the hollow branches of the receptacle. (Name from eege, an intestine, and 
Ôucrvov, a net.) 
1. Ileodictyon gracile (Berk. in Lond. Journ. Bot, iv. p. 69). 
Has. On the ground (May), Gunn, Archer, ete. (Eaten when young.) 
Gen. XXXVII, GEASTER, Mich. 
Peridium duplex ; exterius discretum, persistens, radiis stellatis expansis dehiscens. 
Distinguished from other Puff-balls by their radiate external peridium. (Name from yn, the earth, and aorTnp, 
a star.) 
l. Geaster tenuipes (Berk. in Hook. Lond. Journ. Bot. vi. p.576). (Tas. CLXXXIII. Fig. 9.) 
Haz. On the ground, Gunn. 
PLATE CLXXXIII. Fig. 9, plant, nat. size 3 a, orifice, magnified, 
2. Geaster Archeri (Berk.) ; saccatus, peridii exterioris flaccidi laciniis acuminatis, interiore sessili, 
ore plicato. (Tas. CLXXXIII. Fig. 9 bis.) 
Haz. On the ground, Archer. 
Outer peridium split halfway down into about seven acuminate lacini, so as to form a deep sac, in which the 
inner perfectly sessile peridium is sunk; orifice plicate, but less so than in G. striatus, not rising from a distinct 
orbicular disc.—This differs from the small form of G. striatus in the perfectly sessile inner peridium, the less 
regularly plicate orifice, and the saccate outer peridium. Ik is a small species, scarcely exceeding an inch in 
diameter when dry. It differs from G. saccatus in the nature of the orifice.—PrATE CLXXXIII. Fig. 9 dis, 
plant, naf. size, 
9. Geaster saccatus (Fr. Syst. Mye. iii. p. 16). 
Haz. On the ground, Gunn, Archer, ete. 
