( 128 ) 



Sub-Section 2. Hypogyx^. 



Order 1. GENTIANALES. Tendency to 

 develop an apocarpus ovary either by separat- 

 ing the two cells entirely or by making the 

 capsule septicidous. 



Family 1. ASCLEPI ADAGES. 



Monadelphous. Gynandrous. Anthers ex- 

 trose; their pollen changed into pollinaria. 

 Ovaries 2. Styles 2, united into a pentagonal 

 stigma. Fruit a pair of follicles, or by abor- 

 tion a single one. Lactescent plants. 



1. Asclepias L- Milk- weed. 



Corolla rotate, 5-parted. Stamineal tube 

 short, expanding into a corona of 5 cucullate 

 processes, from the cavity of each of which 

 rises a corniform process. Cells of anthers 

 separated, each connected to the cell of the 

 neighboring one by an apical appendage, the 

 pollinia becoming suspended over a gland, 

 five of which protrude from the margin of the 

 stigma. Seeds oo, with a silky arillus. — 2i- 



1. A. SPECIOSA Torr. Follicles echinate; 

 flowers purplish. — Marin County. Contra 

 Costa. Laundry Farm. Summer. 



2. A. VESTITA Hook. & Arn. Follicles glab- 

 rous; erect on a deflexed pedicel; umbels oo- 

 floAvered, terminal umbel pedunculate; lateral 



