HORTUS GRAMINEUS WOBURNENSIS, 15 



6. Ventricose, (ventricosa), thicker in the middle than at both 

 extremities, as in Alopecurus agrestis. 



7. Leafy, (foliosa), having leaves between the flowers, as in 



Cynosurus cristatus. 



8. Compound, (composita), when several spikes stand on one 



stalk, as in Cynosurus erucaformis. 



9. Finger-like, (digitalis), when several spikes stand on one straw, 



spread out in the manner of the fingers of the hand, as in 

 Panicum sanguinale, or Cynodon dactylon. 



The spike-stalk, (rachis), is a long, rough, slender receptacle, on 

 which the flowers composing a spike are placed. Take a spike, 

 says Professor Martyn, (or rather, as it is commonly called, an 

 ear,) of wheat, pull off all the seed and chaff, and what remains is 

 the spike-stalk, or rachis. 



The spiket, or ear, (spicula), consists of several florets enclosed 

 by one calyx. It is distinguished by the number of flowers it 

 contains, as one-flowered in Agrostis, two-flowered in Aira, three- 

 flowered in Poa glauca, many-flowered, as in Bromus multiftorus. 

 It is likewise described according to the figure it assumes, as 

 cylindrical, oval, linear, &c. and, with respect to its surface, as 

 smooth, rough, hairy, &c. 



The panicle, (panicula), consists of flowers supported by foot- 

 stalks loosely dispersed or scattered ; the flowers of oats serve as 

 an example, or as in Poa pratensis. The varieties of the panicle 

 are : 



1. Simple, (simplex), that has only undivided side-branches, as in 



Poa decumbens. 



2. Branched, (ramosa), when the first branches are again divided, 



as in Bromus multiflorus. 



3. Much-branched, (ramosissima), when the branches are much 



branched, as in Trichodium caninum, vel Agrostis canina. 

 Var. mutica. 



4. Spreading, (patentissima) , when the branches stand wide from 



each other, and spread out in all directions, as in Agrostis 

 repens. 



5. Crowded, (coarctata), when the branches stand very near 



together, as in Agrostis palustris. 



6. One-rowed, (secunda), when the branches stand on one side, 



as in Festuca glabra. 



7. Nodding, (nutans), when the branches bend down towards the 



horizon Bromus tectorum. 



