PENTANDRIA. XXXVll 



with hollow, jointed stems, compound leaves, and um- 

 bels of small flowers. UMBELLIFEROUS TRIBE. P. 246. 



80. GENTIANA. Corolla of 1 petal ; capsule 1 -celled. 

 2-valved, many-seeded. Bitter herbs with opposite 

 leaves and tubular flowers. GENTIAN TRIBE. P. 412. 



81. CTJSCUTA. Corolla of one petal ; capsule 4-seeded. 

 Leafless parasitic plants, with red tangled stems, and 

 wax-like flowers. BINDWEED TRIBE. P. 423. 



82. HERNIARIA. Sepals 5 ; petals or barren stamens 

 5, alternate with the stamens. A small, somewhat 

 shrubby plant, with prostrate stems and numerous small 

 green flowers. KNOT-GRASS TRIBE. P. 228. 



83. SCLERANTHUS. Calyx 5-cleft, contracted at the 

 mouth of the tube ^petals 0. A low, repeatedly forked, 

 herbaceous plant, with linear leaves and small green 

 flowers. KNAWEL TRIBE. P. 535. 



Sepals 5, sometimes combined 



84. CHENOPODIUM. 



85. SlLEDA. 



86. BETA. 



87. SALSOLA. 



at the base ; petals ; seed 1, en- 

 closed by the calyx. Herbaceous 

 or somewhat shrubby plants, with 

 fleshy leaves and green flowers. 



GOOSE-FOOT TRIBE. P. 528. 



88. POLYGONUM. Perianth single, coloured ; seed 1, 

 enclosed in the perianth, not winged. Herbaceous 

 plants, with alternate leaves and sheathing stipules. 

 PERSIC ARIA TRIBE. P. 537. 



89. ULMUS. Perianth single, coloured ; seed 1, winged 

 all round. Lofty trees with purplish flowers, which 

 appear before the rough leaves. ELM TRIBE. P. 564. 



ORDER III. TEIGYNIA. 3 Pistils. 

 * Perianth double. 



,- Corolla of 1 petal, superior; 



90. VIBURNUM. I fruit a berry. Shrubs with white 



91. SAMBUCUS. j flowers growing in cymes. WOOD- 



LBINE TRIBE, r. 295. 



