T A B . L X V I I I . A .
L O N C H IT I S . Presl.
L o n c h i t i d i s s p . L in n , et Auct.
Sori in sinubus laciniarum frondis, lineares, semilunati, angusti. Indusium margi-
narinm, semilunatum, angustum, scariosum, inferiori pagina capsullferum (?) .u té rins
d eh ise en s.-F iU c e s intratropicoe. Rhizoma subglobosum. F ro n d es fa s e ,eu-
late, herbaceoe, p in n a te , pinnis pinnatifidis. Venæ i« maculas inægualiter hexagonoideas
anastomosantes, tenues, inferne prominute, venulis duabus-quatuor m
sinus laciniarum fro n d is cmnwendo-excurrentibus.-Presl.
Yp u b e scen s. K a u l f . - ( Y a b . L X V I I I . A . ) - L . hirsuta. Sieb. Fl. Maurit.
A genus of three species, according to Presl, readily distinguished hy the nature of the
venation.
Fig. 1. Portion of a fertile pinna, seen from b en e ath ; / . 2. Sorus ; / 3. 4. Sporangia ; / . 5.
Sporules ■.—■magnified.
T A B . L X V I I I . B.
V IT T A R IA . Sm.
P t e r i d i s s p . L in n .
so ri lineares, duplicaturm marginis frondis im m e r s i.-F tb c e s pleræque inteatropieoe^
Rhizoma repens. Frondes srparsoe, arete approximate et congeste, sessiles vel sub-
stipitate, simplices, anguste, coriaceoe. Venæ pinnate, simplices, elongate, ante
marginem frondis immersa!— Presl.
V. rigida. X a tt//._ (T A B . L X V I I I . B.)
Here the actual indusium is none. The sporangia are inserted in a cleft at the margin
of the frond.
, r r J f r n m ahovp ' f. 2, Smaller portion of the same, seen from
Fig. 1. Portion of a fertile Iron , ■ ’ f a Sooridia • / . 7, 7. Abortive sporangia,
beneath; / . S. Portion of a sorus; / . 4, S. Sporangia ; / . 6. p
mixed with the perfect ones ..— magnified.
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