13. HEPATIC JE. 
679 
PI. cell, f oh 
Capsule 4-valved ; calyx lateral ; 
helix double ; valves of capsule spiral ..... Kantia. 342. 
Capsule 4-valved ; calyx lateral ; 
helix double; valves of capsule straight .... Lippius. 341. 
Capsule 4-valved ; calyx basiliary, 
triangular ; mouth contracted ; 
helix double Marchesinius. 331. 
Caps. 4-valved; cal. basiliary, com- 
pressed; mouth slit; hel . double .... Martinellius. 333. 
Caps. 4-valved ; cal. basiliary, com- 
pressed; mouth 2-lipped; hel. double Mylius. 334. 
Caps . 4-valved ; cal. basiliary, ovate, 
immersed; mouth acute; hel. double Blasia. 327. 
Caps. 4-valved ; cal. basiliary, ovate, 
imbedded; mou. open, toothed; hel. double Nardius. 335. 
Caps. 4-valved ; cal. basiliary, ovate, 
exserted ; mo. circular, mostly toothed ; 
helix double Jungermannia. 336. 
Caps. 4-valved; cal. basiliary, ovate, 
exserted; mo. slit on one side; hel. doub. . . JDonnia. 337. 
Caps. 4-valved ; cal. basiliary, bell-like, 
very short; mo. expanded ; hel. doub. Pallavxcinius. 326. 
Caps. 4-valved; cal . basill. bellshape, 
very short ; mo. expanded ; hel. single, 
ends slender Riccardius. 323. 
Caps. 4-valved ; cal. basiliary, 2-lobed, 
short; mouth expanded; helix single, 
ends smaller Papa. 325. 
Caps. 4-valved ; cal. basill. rev. heart- 
shape, long ; mouth contracted ; helix 
single, ends expanded Salviatus. 329. 
A. RicciADEiE. Male . . . .? Fern. Fruit solitary; capsule 
spherical, sunk, opening irregularly ? crowned with the 
exserted style. 
I. 315. R1CCIA. Micheli. Riccio. 
Fruit solitary, immersed in the frond, spherical ; thallus 
reverse-heartshape or forked, radiating from a centre, 
grooved on the upper surface. 
1. Riccia latifolia. Broad-leaved riccio. 
Thallus bluntly nicked at the tips, dotted in network. 
Riccia minor latifolia pinguis, aspergine crystallina perfusa, Micheli 
Nov. Gen. PI. 107, 1. 
Riccia glauca, Purton Midland Flora , 5. 
On damp sandy places ; annual ; Nov. and Dec. 
