74 Sullivani’s Muscology. 
emarginato-bi-tridentatis basi subtus in cristam conniventibus 
margine dorsali reflexis integerrimis, reliquo ambitu spinuloso- 
dentatis ; amphigastriis profunde bi-trifidis, laciniis linearibus cili- 
atodentatis ; flore feemineo terminali.—Jungermannia spinulosa, 
Hoox. et Wus! in Drumm. Musc. Amer. No. 160. 
Has. ad cortice arborum in Ludovicia et Alabama. 
270. Frutuanta CaRoiniana (7. sp.). 
Caule repente irregulariter bi-tripimnato ; foliis dense imbricatis 
ovali-rotundis, auriculis parvis elongatis a caule distantibus, plica 
styliformi interjecta; amphigastriis ovato-rotundis caule duplo 
latioribus bifidis, laciniis subrepandis ; perianthio compresso-pyri- 
formi ventre obtuso carinato. 
Has. in cortice arborum prope EIN, Caroline Septen- 
trionalis. 
286. MarcHanrTia DissuncTa (2. sp.). 
Dioica; receptaculo feemineo excentrico subsepteno-radiato, 
radiis apice cuneato-dilatatis emarginato-crenulatis subtus dense 
barbatis ; involucro mono-tricarpo subintegerrimo; receptaculo 
masculo semicirculari 7-radiato, radiis usque ad brevem peduncu- 
lum discretis ; fronde dichotoma et articulatim innovante: cetera 
Marchantia polymorphe. 
Has. ad ripas preeruptas fluminis Alabama prope Clairborne. 
And finally we have a newly characterized genus, which is 
however equivalent to a badly described one established by the 
late Mr. Scuwernrrz, under a name already preéccupied. 
NOTOTHYLAS, Sulliv. 
Carpobolus, Scuwernrrz in Jour. Acad. Nat. Sci. Philad., 2 
p. 336 (1822). Targionie spec. Scuweinrrz, Hepat. Am. Sept. 
p. 23. N.ab E. Europ. Leberm. A, p. 317. 
Monoica. Fructus dorsales sparsi. Involucrum sessile, frondi 
continuum initio clausum, tandem superne fatiscens. Perianthi- 
um nullum. Calyptra..... Capsula involucro inclusa, ob- 
longo-sphzroidea, compressa vel ovato-cylindrica, brevissime pe- 
dicellata, pedicello in bulbo incrassato affixo, sutura longitudinali 
ab apice ad medium subbivalvatim vel (sutura deficiente) frustu- 
im dehiscens. Colwmella linearis. Spore quaternatim ag- 
