CHAP. LX1X. 



.erica'ce^:. rhododendron. 



1143 



& 20. R. cane'scens G. Don. (A. (n.) cane'scens Mickx.) The canescent Azalea. 



Identification. Don's Mill., 3. p. 8*8. 



Synonyms. Azalea cane'scens Michx. Fl. Bor. Amer., 1. p. 150., Wats. Dend. Brit, t. 116. 



Engraving. Wats. Dend. Brit., t. 116. 



Spec. Char., fyc. Leaves obovate-oblong, downy above, and tomentose beneath, 

 not bristly on the middle nerve. Flowers not clammy, nearly naked. Tube 

 of corolla hardly shorter than the segments. Teeth of calyx very short, 

 rounded, obtuse. Stamens hardly exserted. {Don's Mill., iii. p. 848.) A 

 native of Lower Carolina, on the banks of rivers; and of Virginia, on the 

 mountains of the Cacapoon Springs, near Winchester ; where it forms a 

 shrub growing 3 ft. or 4 ft. high, and producing its rose-coloured flowers in 

 May and June. Introduced in 1812, and cultivated in several of the Lon- 

 don nurseries. 

 sfc 21. R. visco v sum Torr. (A. visco v sa l.) The clammy-Jlowered Azalea. 



Identification. Torr., 1. c. ; Don's Mill., 3. p. 847. 



Synonyme. Azalea viscbsa Lin. Sp., 214., Pluk. Aim., 106. t. 161. f. 4., Catesb. Car., 1. t. 57. 



Engraving. Ourjig. 947. 



Spec. Char., cfc. Leaves oblong-obovate, acute, smooth and green on both 

 surfaces, ciliated on the margins, having the midrib bristly. Flowers pro- 

 duced in terminal clusters, and clammy, leafy, and hairy. Tube 947 

 of corolla as long as the segments. Teeth of the calyx short, 

 rounded. Stamens hardly longer than the corolla. There are 

 a great many varieties of this species (see Loud. Hort. Brit., p. 

 66.), varying in the colour of the flowers, and otherwise. 

 (Don's Mill., iii. p. 847.) A native of North America, from 

 Canada to Georgia, in swamps and shady woods; where it 

 shrub growing from 2 ft. to 4 ft. high, and producing its white sweet- 

 scented flowers in July and August. Introduced in 1734, and, like the 

 preceding sort, the parent of numerous varieties and hybrids. 



Varieties. 

 * R. v. 2 orndtum Swt. Fl.-Gard., 2d s., t. 137., is a hybrid raised from the 

 seed of R. viscosum (3 rubescens, fertilised by the pollen of i?hodo- 

 dendron ponticum. 

 The varieties and hybrids, in Loddiges's Catalogue for 1836, of A. viscosa 

 are as follows: — 



A. Varieties. 



A. v. 2 alba A. 



v. 5 penicillata. 



A. v. 8 variegata. 



3 crispa. 



6 pra?Vox. 



9 vittata. 



4 dealbata. 



7 pubescens. 



10 yiolae odbre. 



B. Hybridce altaclei 



enses. Hybrids raised at High Clcre. 



11 amce'na. 



20 eudas'mon. 



28 ochroleuca. 



12 actinata. 



21 euprepes. 



29 poikila. 



13 aurbraj. 



22 Govenm. 



30 pontica Howard. 



14 basih'ssa. 



23 Herbertidna. 



hexapla. 



15 calodendron. 



24 imperatrix. 



31 pulchella. 



16 calocoryphe. 



25 inclyta. 



32 regal is. 



17 Cartoma. 



26 jasminodbra. 



33 rugens. 



18 chari£ssa. 



27 lepida. 



34 thyrsiflbra. 



19 coccinea n6bilis. 







C. HybridcB belgicce. Hybrids raised in 



Belgium. 



35 Agate. 



49 crbcea. 



58 Ferrocktf. 



36 albo pleno. 



globdsa. 



59 flamboyante. 



37 amabilis. 



50 cruenta. 



60 ffilgida. 



38 amarantina. 



51 cuprea. 



61 fulva. 



39 amcenissima. 



alba. 



62 glbria mCindi. 



40 ardens. 



elegans. 



maxima. 



41 atro-rhbens. 



eximia. 



minor. 



42 aurantia maxima. 



globbsa. 



63 Gulielmus primus. 



43 blandina. 



rubra. 



64 hybrida coccifera. 



44 calendulacea globdsa. 



splendens. 



coccinea. 



insignis. 



52 decorata. 



nivea. 



nbva. 



53 decus hortbrum. 



65 incarnata maxima. 



superba. 



54 dulcedo. 



rilbra. 



45 cardon. 



55 electa. 



66 lepida. 



46 coccinea maxima. 



maxima. 



67 Iii tea rubicilnda. 



specibsa. 



rubra. 



68 magni'fica. 



17 concinna. 



56 elegantissima. 



69 marftima incarnata 



48 cor ii scans. 



57 exquislta. 



70 miniata. 



