PART III. AltBORETUM AND FKUTICETUM. 2547 



given of the natural size, though the fruit is to our usual scale. The 

 different varieties flower after the rains in the months of January and 

 February ; and the fruits ripen in June and July, continuing to hang 

 on the tree till the beginning of September. Z. Jujuba is not in- 

 digenous to the Mauritius, but has been long cultivated almost all over 

 the island." 

 Valiums. Page 528., after the paragraph headed " Statistics," insert : — 



"* 2. P. virga n tus D. Don. The twiggy Christ's Thorn. 



Identification. D. Don in Bot. Mag., t. 2535. ; Fl. Nep., 189. ; G. Don's 



Miller, 2. p. 23. 

 Engravings. Bot. Mag., t. 2535. ; and our fig. 2430. 



Spec. Char., cfc. Branches smooth. Leaves obliquely 

 cordate or elliptical, 3-nerved, shining; wing of fruit 

 entire. (Don.) A beautiful, hardy, deciduous shrub, 

 growing to the height of 10 ft. ; with serrulated leaves, 

 each of which has two thorns at its base, one straight and 

 the other hooked. The flowers, which are produced in 

 July and August, are of a greenish yellow, and in ax- 

 illary corymbs. It is a native of Nepal, whence it was 

 brought to Britain in 1819; and there is a very handsome 

 plant of it in the Chelsea Botanic Garden, which, in 1836, 

 was 10 ft. high." 



Wiamnus. 529., add to the paragraph headed " Description, eye. :" " The fungi 

 found on the plants belonging to this order are : Tjmpanis Frangula 

 Fr., SphaeVia punicea Schmidt , S./Zhamni Nees, S. rhodostoma H.et S. y 

 on R. Frangula ; S. niicula Fr., on R. alpina; ilfiicor nigrescens Schum., 

 iEcidium crassum Pers., M. .Khamni Pers. — M. J. B." 

 R. hybridus. 531. 1. 28., after the full stop, add : " There is also a plant in 

 the arboretum of Messrs. Loddiges, under the name of R. burgundi- 

 acus." 

 R. Erythroxylon. 534., in the list of Engravings, for " t. 62.," read " t. 63.;" 



and for " our fig. 204.," read " our^g. 205." 

 R. E. angustissimum. 535., for " (fig. 205.)" read " (fig. 204-.) ;" and add : 

 " There are plants of this variety in the Horticultural Society's Garden." 

 R. versicifolius. 538., dele the whole paragraph, and substitute : — 



" R. persicifolius Bert., Moris. Stirp. Sard., f. 2., we are informed by 

 Signor Manetti, is an erect shrub, from 10 ft. to 12 ft. high, with lanceolate 

 minutely crenated leaves, pubescent on the under side, and on long petioles ; 

 calyx free. It is a native of Sardinia, where it flowers in March and April." 

 538., after the paragraph beginning " R. tenuifolius" near the bottom, add : — 

 " R. glandulbsus Host. An evergreen shrub, of which a plant has stood out 

 against a wall, in the Horticultural Society's Garden, since 1830." 

 Ceanothus azureus. 539., add to the paragraph headed " Sj)ec. Char. y Sec. : " 

 " There is a variety with white flowers in the Horticultural Society's 

 Garden." 

 C. intermedins. 540., add to the paragraph headed " Spec. Char., Sec.:" " There 

 are plants of this species in the Horticultural Society's Garden, raised 

 from seeds sent there by the late Mr. Fischer of Gottingen." 

 540., before " App. i. Other Species of Ceanothus,'" insert : — 



«_ 8. C. colli v na Doug. The Hill-side Ceanothus. 



Identification. Doug, in MSS. ; Fl. Cab., 1. 13. 

 Engravings. Fl. Cab., 1. 1. 13. ; and our fig. 2431. 



Spec. Char., $c. Branches decumbent, round, and smoothish ; leaves ovate 

 or elliptic, somewhat clammy, glandular- serrated; upper surface shining, 

 under surface covered with adpressed hairs, 3-nerved : stipules awl-shaped ; 

 panicles axillary. (Knowles and Westcott.) This is a low decumbent 

 shrub, scarcely rising a foot from the ground : it is a hardy evergreen, and 

 produces its white flowers in great abundance. It is a native of North 

 8b 3 



