191 



***** Petals wanting. 



77. PARIETARIA. Cal. 4-cleft, inferior. Stam. elastic. 



Seed invested with the elongated calyx. Some flowers 

 J ■ without stamens, their cali/x remaining unaltered. 



'^ '^^Vi. SANGUISORBA. Cal. 4-cleft, superior, coloured. 

 Stam. dilated upward. Caps, quadrangular, of 1 cell, 

 not bursting. 



78. ALCHEMILLA. CaZ. 8-cleft, inferior. Seed l,ov 2, 



naked. 



Order II. DIGYNIA. Pistils 2. 



79. BUFFONIA. Petals 4^. Caps, of 2 valves. Seeds 2. 

 Alchemilla. Gentiance. Cuscutce. 



Order III. TETRAGYNIA. Pistils, or 

 Stigmas, 4. 



80. ILEX. Cor. wheel-shaped, of 1 or 4. petals. Berrt/ with 



4- seeds. Sti/les 0. Some J?, barren. 



84. MOENCHIA. Pet. 4. Caps, of 1 cell, and 1 valve, 

 with 8 teeth. Cal. 4-leaved. 



83. SAGINA. Pet. 4. Caps, of 1 cell, and 4 valves. Cal. 



4-leaved. 

 86. RADIOLA. Pet. 4. Caps, of 8 cells, and 8 valves. 



Cal. of 1 leaf, in 12 segments. 



85. TILL^A. Pet. 4, 3 or 5. Caps, several. Seeds 



several. 



81. POTAMOGETON. Pet. 4,. Cal.O. Seeds 4^, uakedy 



sessile. 



82. RUPPIA. Pet.O. Cal.O. 5'£'^</5 4, stalked. 



Cerastium. 



