ra P 
= 
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4446 
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HEPATIC. (LIVERWORTS.) (83) 683 
14. ANEURA. Frond wean a ar bearing the fruit swan am= near the margin. 
EETZIA. Fro g fruit 0 upper side. 
16. PELLIA. Fr hawt ithout a definite midrib ine do af 
17. BLASIA. Frond with idrib, bearing tl it 
II. Vegetation foliaceous (leaves and stem distinct). 
* Leaves succubous, i. e. the apex of each leaf lying under the base of the succeeding leaf. 
) 
18. FOSSOMBRONIA. Perianth campanulate ; its mouth wide, undulate. 
19. GEOCALYX. Perian = none: inyolucre fleshy, becoming subterranean. 
CYPHUS. ‘eam th obovate, 2-8 lobed. Calyptra chart: 8 
beldiiientie erianth fusiform, ith th 
. LOPHOCOLEA. aera — d, triangular ; the lobes crest-toothed. 
gator ry ETIS. Perianth triangular at the apex ; ticulate. 
UNGERMANNIA. Perianth tubular ; its mouth contracted, denticulate. 
+ + Amphigastria absent. 
25. SCAPANIA. Perianth compressed parallel to the stem, truneate. Leaves 2-lobed. 
26. PLAGIOCHILA. Perianth compressed contrary to the stem. Leaves not 2-lobed. 
27. SARCOSCYPHUS. a Be and involuecre united. Leaves 2-lobed. 
28. GYMNOMITRIUM. Perian sa Leaves 2-lobed. 
» = leaves incobous, 1. e. th ik sana * bike 
phigastria present (except in No. 82). 
complicate -2-lobed. 
29. FRULLANIA, — — ei rae esse — ™ a aia? lei 
30. LEJEUNIA. 
81. MADOTHECA. | ‘Perianth compel 2 ipped. 
RADULA. phigastria absent. 
33. PTILIDIUM. Perianth terete. Fey and amphigastria ciliate. 
+ + Leaves not See 2-lobed. 
84. SENDTNERA. Perianth 3- or 6-angular ; its mou ae dane Leaves 5 ~ 6-cleft. 
85. TRICHOCOLEA. Perianth none. Leaves perenne 
36. MASTIGOBRYUM. Perianth triangular. Stems eee ani 
= LEPIDOZIA. 8-plaited ; its mouth denticulate. 
38. CALYPOGEIA. Perianth none. Involuere fleshy, subterranean. 
Susorper lL BICCIACEZ. 
Terrestrial or aquatic, frondose little annuals, with the fruit immersed in 
the frond, or sessile upon it. No perianth nor elaters. Capsule sessile, 
bursting irregularly. 
RICCIA, Mich.  Froarinc Liverworr. (Tab. VL) 
Fruit immersed in the frond. Involucre none. Calyptra coherent with the 
globose capsule, and crowned with the persistent style. Spores angular. 
rescence monccious or dicecious: antheridia imbedded in the frond. iamed 
after Ricci, an Italian botanist.) 
« Frond without air-cavities : terrestrial. 
1. BR. glaistea, L. Frond somewhat stellate-lobed ; its divisions linear- 
obovate, emarginate-lobed, channelled, dotted, glaucous, membranaceous along 
the margin. —On moist ground. (Eu.) 
