Difference of Structure in the Flowers of fix Species of Pafliflora. 23 
Paffiflora alata, A, Hort. Kew. F. 5. 306, T'as. 3. fig. b. 
is very like the former at firft fight: the open flower has alfo. a 
general refemblance, till we come to examine and make comparifon,. 
when I prefume we fhall find facient diftinétions. 
t 
| | 1. Peduncle Cindrea 
| 2. Involucrum ~ Three divifions, fmall, lanceolate, with 
e gs glandulag, ferratures. 
| 3. Pedicle Thickeft at the infertion into the con- 
me vex bafe of the flower. 
4. Petals The outer five or fix oblong with an awn,, 
the inner longer. 
5. Principal rays The outer thinneft and fhorteft. 
6. Imperfe& rays A double row; below and diftin& from: 
them, a fingle row. 
7. Imperfect operculum Wanting. 
8. Operculum Partly horizontal and partly turning up: 
to the column, then folding backward 
down again embraces the column *. 
9. Neétary | Round the column, confined by the 
bafe of the flower. - 
- 
- 
® This is fo connected with the column that it appears infeparable, but is not joined: 
wt aru gz 
to it. 
+ The column comes to the bottom of the neétary, which is not the cafe in the 
quadrangularis.. 
A 
Paffiflora 
