756 ADDITIONS, CORRECTIONS, ETC. 
Page 
611. Hydnum Sinclairii, Berk. Black. Pileus thin, coriaceous, somewhat 
zoned, radiately striate and rugose; margin irregularly lobed ; stipes thin, 
subconfluent ; processes slender, acute. 
New Zealand, Sinclair. — Allied to H. zonatum, but differing in the black spines and 
pileus. 
625. Ustilago urceolorum, Tulasne in Ann. Sc. Nat. Ser. 3. vii. 36. t. 4. 
f. 7-1 0. Spore^ black-brown, thick, oblong, angular, at length agglutinated 
and forming a black powder ; integument thick smooth or minutely papillose. 
Northern Island : on Carer ternana, Colenso. (Europe, etc.) 
625. iEcidium disseminatum, Berk. Spots 0 or effuse. Peridia scattered, 
short; margin lobed. Spores white? 
Middle Island : on leaves of Hypericum japonic urn. — Apparently quite distinct from the 
N. American Ceeoma Hypericastrum, Link. 
625. Feziza (Lachnea) seutellata, Linn. Plat, vermilion-red, pale exter- 
nally, hispid towards the margin with black straight hairs. 
Northern Island: on dead wood, Colenso. (Europe, etc.) 
632. Hypoxylon Colensoi, Berk. Stroma of dense club-shaped masses, 
pitchy-black externally, somewhat stratified internally, rugose-punctate. Peri- 
thecia oblong. 
Northern Island, Colenso. — Specimen old and imperfect, but evidently allied to H. 
coenopus , and hence representing a peculiar type. In an early state it resembles stales ot 
Antennaria scoriadea. 
Order IX. ALG-S3. 
720. After TOLYPOTHRIX, insert — 
CHROOLEPUS, Agardh. 
Prond of minute, erect, rigid, subsolid filaments, opaque, falling to powder; 
joints often contracted. 
An obscure genus, belonging to the tribe B yssoideee, which should follow Oscillaiorii.ee, 
the Key, p. 646. 
1. C. aureus, Harvey. Filaments forming soft cushion-like tufts, flexu- 
ose, irregularly branched, yellow-green brick-red or orange ; articulations twice 
as long as broad. 
Northern Island : on rocks and trees, Colenso. (Europe, etc.) — lam indebted to Mr. 
Berkeley for this identification ; he observes that the specimens are full of dumb-bell crystals 
of oxalate of lime. 
