964 CRYPTOGAMIA. Class XXIV. 
15572 sinu69a Ach. 
sinuous 
starry 
2 all sea. Pa.Y 
moorstones Eng. bot. t. 2050 
15573 aleurites Ach. 
rugose 
round patch. 
3 aut.wi. Pa.Gr trun. of trees Eng. hot. t 858 
15574 ambigua Ach. 
ambiguous 
starry warted 
2 aut.wi. Pa.G 
trun. of trees 
15575 conspersa Ach. 
sprinkled 
smth. dotted 
li all sea. Y 
rocks Eng bot. t. 2097 
15576 speciosa Ach. 
shewy 
starry glabr. 
2 spring G.W woods Eng. bot. t. 1979 
15577 Icevigata Ach. 
polished 
starry 
3 spring Grsh 
on trees Eng. bot. t. 1852 
15578 pulverulenta Ach. 
powdery 
pruinose mul. 
2 spring Dp. G trun. of trees Eng. bot. t. 2063 
15579 stellaris Ach. 
stellate 
rugged frond 
2 spring Grsh trun. of trees Eng. bot. t. 1697 
15580 cse'sia Ach. 
Ccesious 
sorediferous 
f all sea. Grsh 
roc. & stones Eng. bot. t. 1052 
/3 dUbia Ach. 
dubious 
granular 
1 spring Pa.Br boards Eng. bot. 2547 
15581 cycloselis Ach. 
circular 
round patch. 
1 all sea. Li.Gr 
trees Sc pales Eng. bot. 1942 
15582 diacapsis E. B. 
twofold-shield, tumid crust 
1| all sea. Wsh 
stones Eng. bot. 1954 
155o3 pnysodes Acn. 
bladdery 
multif. smth. 
2 all sea. Wsh 
rocks Eng. bot. t. 126 
15584 diatrypa Ach. 
warted 
multif. smth. 
2 all sea. Gr.G 
wet rocks Eng. bot. t. 1248 
2342. BORRE'RA. ^c^ 
15585 tenella Ach. 
BORllERA. 
slender 
branch, segm. 
Sp. 7—23. 
li all sea. Gl. 
bran, of trees Eng. bot. 1351 
15586 leucomela Ach. 
black & white 
dense tufts 
1| feb. Wsh 
on the earth Eng. bot. 2548 
15581 furfuracea Ach. 
mealy 
farinaceous 
li all sea. G.Gr 
trun. of trees Eng. bot. 984 
15588 chrysophthalma^cA. yellow-eyed 
bushy 
1 all sea. Or 
apple trees Eng. bot. 1088 
15589 flavicans Ach. 
yellowish 
branched 
1 all sea. Y 
trun. of trees Eng. bot. 2113 
15590 ciliaris Ach. 
ciliated 
bushy 
lA all sea. Gl. 
trun. of trees Eng. bot. 1352 
15591 atlantica Ach. 
Barbary 
bushy tufts 
U april G.Ol 
elms Eng. bot. 1715 
2343. CETRA'RIA. ^cA. CETRAniA. 
15592 juniperina Ach. juniper 
bushy 
Sp. 5-14. 
li all sea. Pa.Y 
trun. of trees 
/S pindstri Ach. 
15593 sepincola ^cA. 
Pinaster 
hedge 
bushy 
bushy waved 
li all sea. Pa.Y 
1| all sea. Ol.Br 
trun. of trees Eng. bot. t. 2111 
ston. & trees Eng. bot. t. 2386 
15594 glauca Ach. 
glaucous 
bushy shining 
2 all sea. Gl. 
on tlie grou. Eng. bot. 1. 1606 
fifdllax Ach. 
fallacious 
bushy shining 
li all sea. W 
on tlie grou. Eng. bot. t. 2373 
History, Use, Propagation, Culture, 
2342. Borrera. Dedicated by Acharius, to Mr. William Borrer, F. L. S., oaie of our most eminent British 
cryptogamic botanists. This genus is very natural in habit, including the Linnean genus Lichen and its 
allies. 
2343. Cetraria. An unexplained name. C. islandica is common in Iceland and in the north of Germany, 
and is also found in the mountains of Asturias. It grows to the height of two or three inches only, and has a 
rugged bushy aspect. In Iceland and Lapland it is used as an article of diet; being boiled in broth or milk, 
after being freed from its bitter by repeated maceration in water, or dried and made into bread. It has of late 
years been brought in considerable quantities to this country for medicinal purposes. The dried plant differs 
very little from its appearance in a recent state. Medicinally it is tonic and demulcent ; it has also been found 
useful in debilities after acute diseases, and in emaciations, particularly those arising from the great discharge 
