LINACEi*; HUGONIACEiE CHLENACEjE CISTACEiE. 101 



L. quadrifolium, L. ; B. M. 12, t, 431. "5 C. G. H. — L. viscosum, L. ; 

 B. M. 26. t. 1048. 2/. S. Europe.— L. hirsutum, L. ; B. M. 27, t. 

 1087. % S. Europe.— L. anglicum. Mill. ; E. B. 1, t. 40. % England. 

 L. monogynum, Forst. ; B. M. 64, t. 3574. "fe N. Zealand. — L. my- 

 sorense, Heyne. Wight, ill. 1, t. 60. Mysore. Mussooree. — L. 

 repens, Don. B Nepal, resembles most L. trigynum, Roxb. — Radiola 

 lindides, Gm. (R. Millegrana, Sm. E. B. 13, t. 893.) Europe. 



ORDER LXV.— HUGONIACE^, Am.— Lindl. Nat. Syst. p. 89. 



The following are the only known species of this shrubby order, which 

 consists of one genus : — 

 HuGONiA, L. (DC.pr. l,p. 522; — W. and A. pr. \,p. 72.) 



1. Mystax, L. {DC. I. c.;—W. and A. I. c. ;— Wight, ill. 1, t. 32;— 

 Rheed. 2, t. 19.) 3 Malabar, Coromandel, Ceylon. Fl. large, yellow. 

 Has been introduced into H. C. G. ? Fl. .-* 



* H . ferruginea, W. and A. % Ceylon. — H. serrata. Lam. 3 Mauritius. 

 — H. tomentosa, Cav. B Mauritius. 



ORDER LXVI.— CHLENACEtE,— Pet. Th.— Lindl. Nat. Syst. p. 90. 



Trees or shrubs, of 4 genera, and 8 species, all natives of Madagascar. 

 —Properties unknown. 



* Sarcolcena grandiflora. Pet. Th. — Leptolana multiflora, Pet. Th. — Schi- 

 zolana rosea, Pet. Th. — Rhodolcena altivola. Pet. Th. 



ORDER LXVII.— CISTACE^, Lindl. Nat. Syst. p. 91. 



THE ROCK-ROSE TRIBE. 



Herbs and undershrubs, of 4 genera, and, according to DC, 160 

 species : 15 N. American; 6 S. American; 3 Syrian, and the rest all from 

 S. Europe, N. Africa, and the Canaries. — Properties unimportant. 

 Helianthemum, Tournef. {DC.pr. I, p. 266.) 



1. eriocaulon, Don. {DC. o. c. p. 271.) Spain, France. Fl. smallish, 

 yellow, Feb. and March ; fr. April. 



2. inconspicuum, Thib. {DC. I. c.) Spain. Fl. minute, yellow, Feb. 

 and March ; fr. April. 



3. cegyptiacum, Mill. {DC. o. c. p. 273.) Egypt, Barbary, Spain. Fl. 

 small, white, Feb. and March ; fr. April. 



