XXV11I 



Guide. 



Class III. — Fruit, minute cases filled with dust-like 

 spores : 



(a) Fruit on the back of the leaf, or frond (<?. g., Climbing- 

 Fern). Go to 10. 

 (a) Fruit in spikes (e.g., Club-Mosses). Go to n. 



Note. — Names in italics are also given elsewhere in roman type under the more 



frequent form. 



Moonseed (Menispermum), twin- 

 ing, page 8. 



Poison-Ivy (Rhus), climbing by 

 rootlets, page 34. 



Bearberry (Arctostaphylos), pros- 

 trate, pnge 1 12. 



One-seeded Bur-Cucumber (Sic- 

 yos), one seed, page 78. 



Wild Balsam-Apple (Micram- 

 pelis), four seeds, page 81. 



Grapes (Vitis), tendrils forked, ex- 

 cepting in Southern Fox-Grape, 

 page 20. 



Virginia Creeper (Ampelopsis), 

 tendrils, adhering by disk-like 

 tips, page 30. 



Passion-Flower (Passifl5ra), ten- 

 drils, simple, page 76. 



Smilax (Smilax), tendrils, in pairs 

 on the leaf-stem, page 171. 



Woody Nightshade (Solanum), 

 many-seeded, without tendrils, 

 climbing, page \i,d. 



Honeysuckle (Lonicera), several- 

 seeded, leaves opposite, with- 

 out tendrils, climbing, page 88. 



Bitter-sweet (Celastrus), three- to 

 six-seeded, leaves alternate, 

 without tendrils, climbing, 

 page 14. 



Partridge-Berry (Mitchella), berry, 

 red, eight-seeded ; prostrate, 

 page 96. 



Creeping- Wintergreen (G a u 1- 

 theria), berry, red, many-seeded; 

 prostrate, page 118. 



Bearberry (Arctostdphylos), berry, 

 red, five united nutlets ; pros- 

 trate, page 112. 



Cranberries (Vaccinium), berry, 

 reddish, many-seeded ; pros- 

 trate, page 106. 



Creeping Snowberry (Chiogenes), 

 berry, white, many-seeded; pros- 

 trate, page no. 



Matrimony Vine (Lycium), 

 branches trailing, stem erect, 

 page 148. 



4 

 Dwarf Raspberry and Blackberries 



(Rubus), page 69. 

 False Violet (Dalibarda), nearly 



dry, page 72. 



5 

 Clematis (Clematis), achenes 

 numerous, each with plume-like 

 tail, page 3. 



