46 



NATURAL HISTORY OF PLANTS. 



exterioi' bear outwardly one or two series of sti^Ditate glands,^ 

 and the flowers are united in terminal spikes or racemes, elongate, 

 simple or formed of few-flowered cymes. Two species of them arc 

 distinguished,^ whose membranous leaves are alternate, penninei-ved, 

 dentate like a saw and accompanied by intrapetiolar stipules. 



II. HUGONIA SERIES. 



The flowers of Rugonia^ (fig. 77-79) are very analogous to those 

 of the Flaxes in their general organization. They have, upon a convex 



Uticjoma scrrata. 



Fig. 78. Butl without 

 calyx (f). 



Fig. 77. Floriferous branch. 



Fig. 79. Bud without 

 perianth (^). 



receptacle, five sepals often unequal, quincuncially imbricated, five 

 petals contorted and caducous, and ten raonadelphous stamens of 



' This together with the form of the inflorcs- ' L- Ge>>- n. 831. — Ai).\NS. Fam. des Fl. ii. 



cencc makes these plants resemble P/»»(*ffy>. 31i. — J. Oeii. 275. — Lamk. Die', iii. 148; I/L 



2G)UFF. mtid. iv. 534, t. 5y3.— Fenzl. t..i72.—G.v:KTS. Friict. i.2Sl,t. 6S.— DC. Prodr. 



Xtant. Tier Pji. Gait. 21, t. 3. i- 522. — Endi,. Gen. n. 5404.— Pl. in Kook. 



