VIII. c, 6 Sydotu: Enumeration of Philippine Fungi 503 
Luzon, Manila and vicinity, Merrill 8600, on living leaves of Streblus 
asper. 
The fungus forms a quite superficial small stroma which is composed of 
dark-brown, rather loosely interwoven hyphae. The numerous pycnidia are 
nearly superficial or only with their bases slightly sunken in the stroma. 
The wall of the pycnidia is easily distinguished from the tissue of the 
stroma. The wall consists of two strata; an outer parenchymatous one, 
several layers thick, of brown color, and an inner one which is hyaline and 
composed of indistinct and minute cells. The whole cavity is filled with 
the basidia which bear numerous minute spores in chains. 
SEPTORIA Fries 
SEPTORIA BAKERI Syd. 
Luzon, Manila and vicinity, Merrill 8588, February 24, 1913, on leaves 
of Leucas lavandulifolia. 
LEPTOTHYRIUM Kunze et Schmidt 
LEPTOTHYRIUM CIRCUMSCISSUM Syd. sp. nov. 
Maculis amphigenis, sparsis vel aggregatis confluentibusque, 
angulatis, 1-4 mm diam,, confluendo majoribus, primitus obscure 
brunneis, dein arescentibus, denique circumscissis ; pycnidiis epi- 
phyllis, immersis, rotundatis, dimidiatis, 100-150 p diam., atris, 
poro rotundo 15-20 p lato pertusis, contextu fusco, parenchy- 
matico, ex cellulis minutis 5-6 diam. composite, baud radiate ; 
sporulis continuis, hyalinis, breviter fusiformibus, utrinque acu- 
tis, 8-10 p longis, 1.5-2 p latis; basidiis non visis. 
Luzon, Province of Laguna, Los Banos, Baker 1025, April 20, 1913, on 
living leaves of Mangifera indica. 
PYCNOTHYRIUM Diedicke 
PYCNOTHYRIUM LOBATUM Syd. sp. nov. 
Pycnidiis epiphyllis, superficialibus, sparsis, ambitu orbicula- 
ribus, 0.5-1 mm diam., planis, membranaceis, atris, poro 25-40 p 
lato pertusis, amoene radiatim contextis, ad marginem eximie 
lobatis, contextu dilute brunneo vel olivaceo-brunneo ex hyphis 
subrectis vel saepius flexuosis crebre septatis (articulis 1-d g 
longis) 2-4 g crassis strato simplici composite ; sporulis oblongis, 
utrinque obtusis, continuis, hyalinis, saepe minute guttulatis, 5-8 
p longis, 2 fx latis ; basidiis nullis. 
Luzon, Province of Laguna, San Antonio, Bur. Sci. 20537 Ramos, Feb- 
ruary, 1913, on living leaves of Dysoxylum spec. 
The pycnidia are lobate at the margin in such a curious manner that 
holes are formed between the lobes. 
LASIOTHYRIUM Sydow nov. gen. Pycnothyriacearum 
(Etym. lasios = setosus et thyrion = fenestra) 
Pycnidia superficialia, mycelio tenuissimo parce evoluto prae- 
dita, inversa, dimidiato-scutata, ambitu strato singulo hypharum 
flexuosarum vel cellularum elongatarum composita, centre ele- 
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