SAXIFRAGACE^ CRASSULACE^. 267 



ORDER CXI.— SAXIFRAGACE/E. DC Lindl. Nat. Syst. p. 162. 



THE SAXIFRAGE TRIBE. 



Shrubs or undershrubs, seldom trees, most frequently little elegant 

 herbs, exclusive of Parnassia, referred by Lindl. to 28 genera. Of these, 

 DC. pr. assigns about 75 species to Europe ; 42 to N. America ; 20 to 

 Siberia ; 6 to S. America ; 5 to Japan ; 3 to Caucasus ; 3 to Melville 

 Island ; 3 to Greenland ; 2 to the Levant ; 2 to N. Africa ; 2 to the Straits 

 of Magellan ; I to China ; 1 to Senegal ; 1 to Nubia ; 1 to S. Africa ; 2 to 

 N. W. Africa ; I to Madeira ; 1 to Iceland ; 1 to Spitzbergen ; 1 to Dahu- 

 ria ; 1 to Altai ; and 1 to the Sandwich Islands. In the E. Indies have 

 been discovered about 34 species, viz. 6 of Hydrangea, (Nepal, Java, 

 Assam,) 1 of Ciamitis, (Java,) 1 of Adamia, (Nepal,) 21 of Saxifraga, 

 (Nepal, Khassya Mountains, Peer Punjal, Kunawar,) 1 of Chrysosplenium, 

 (Nepal,) 1 of Tiarella, (Nepal,) I of Astilbe, (Nepal,) and 2 of Vahlia, 

 (Coast of Coromandel.) Properties of no importance. 

 Hydrangea, L. {DC. S,p. 13.) 



1. Hortensia, DC. (/. c. ; — J. Grah. Cat. B. pi. p. 84. — H. opuloides, 

 Lam.—n. hortensis, Sm.j—B. M. 13, t. 438 -^—Roxb. H. B. p. 34.) 

 ^ China. Japan. Fl. largish, rose-coloured, C. S. ; fr. 0. 

 Adamia, Wall. {DC.pr. 3, p. 16.) 



1. cyanea. Wall. {tent. fl. nep. 46, t. 36 ; — pi. as. rar. 3, p. 213 ; — B. 

 M. 58, t. 3046.) t Nepal. Fl. middle-sized, blue. Has been ten 

 years in the garden here, without flowering. 

 Saxifraga, L. {DC. pr. 3, p. 17. J 



I. ligulata. Wall. {DC. o. c. p. 38 ;— 5. M. 62, t. 3406.) %. Deyrah- 

 Dhoon. Kemaon. Fl. large, white with a tinge of rose. Has been culti- 

 vated here for more than live years, without flowering. 



* Vahlia oldenlandio'ides, Roxb. © Tranquebar. — V. viscosa, Roxb. 

 Tranquebar. — Hydrangea quercifolia, Bartr. ; B. M. 25, t. 975. "b 

 Florida. 



ORDER CXll.— CRASSULACE^, DC— Lindl. Nat. Syst. p. 163. 



THE HOUSE-LEEK TRIBE. 



Succulent herbs and shrubs, by Lindl. referred to 22 genera. Of these 

 DC. pr. ascribes to S. America and Mexico 9 species ; to N. America 9 ; 

 to Europe 63 ; to Siberia 9 ; to Caucasus 9 ; to Iberia 2 ; to Dahuria 2 ; 

 to the Levant 2 ; to China 3 ; to Japan 1 ; to New Holland 2 ; to Ara- 

 bia 3 ; to Sierra Leone 1 ; to Madeira 6 ; to the Canaries 14 ; to N. Africa 

 8; and to the Straits of Magellan 1. Adding 4 KoUerias, S. Africa 

 exhibits 304 species, {Harvey) ; the E. Indies 27 ; viz. 1 of Tillaa ? 



