SOME SOUTH AFRICAN SPECIES OF COTYLEDON 9 
correct. There is a specimen at Kew of S. ce@spitosum with a habit 
very similar to that of ‘‘ 1. lentum” from Hurstpierpoint, Sussex, 
. Noy. 1846. lso, 
n glan 
e loose straggling habit and the long branches of the 
American form. It is clear, too, t that the degree of acumination of 
the leaf-apex in S. ee is very variable. In the example in 
Sulliv. & Lesquer. Muse. Bor. Amer. no. 510, some stems bear 
leaves of which the ine is finely acuminate, as shown at fig. 18, 
bowery the leaves of other stems are merely acute, as shown at 
19 
EXPLANATION OF PuatE 429. 
-8.—Catharinea (teaggictt sp. nov. 4 Plant, natural size. 2. Leaf, 
a ahaa half-way up the x 8. 3. Two leaves towards the apex 
of the stem x 6. 4. A dBi be: "ot leaf, at one-third from the apex x 270. 
5. Transverse section of a leaf at about one-third from the apex x 270. 
6. Transverse section of margin of leaf at about one-third from the apex x 270. 
7. Portions of two lame ae bs) from the side,—one to three cells high x 270. 
8. lars and operculu 
9, 10. emharion rhystophaya C. Mill. 9. Areolation of leaf at 
one- thir from the apex x 270. Portion of a lamella seen from the 
side 
Fi ty 1-19. —Seleropodium cespitosum (Wils.). 11. Stem-leaf x 28. 12. 
Apex of lanies 150. 13. Areolation of same at one- omy tg from me apex x 270 
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SOME SOUTH AFRICAN SPECIES OF COTYLEDON. 
By §. Scuénuanp, M.A., Ph.D., F.L.S., & Epmonp G. Baxer, F.L.S. 
InTRopUCTORY. 
Tue genus Cot) yledon is divisible into four sections—I. Eu 
cotyledon ; II. Umbilicus; I11. Pistorinia; and IV. Echeveria—easily 
recognizable by considerable difference in habit, shape of corolla, 
&e, The following notes are confined to certain of the members of 
the section Hucotyledon, which is, with trifling exception, limited in 
its geographical distribution to South Africa. he material on 
which the notes have been made is derived from various sources, 
town ; the Sherardian Herbarium, Oxford, especially valuable, as 
it contains a number of types of Haworth’s and Salm Dyck’s spe- 
cies; Herbarium of Trinit ity College, Dublin, containing Harvey’s 
Crassulacea ; the National and Kew Herbaria. The Cape Govern- 
ment Herbarium has also been consulted. For the loan of plants 
