RUBUS 575 



5. Cinchoneae: Cinchona, Bouvardia, Cosmibuena. 

 j3. Fls. in heads. 



6. Naucleeae : Uncaria, Nauclea. 

 B. GARDENINAE (fruit fleshy) : 



7. Mussaendeae (C valvate) : Mussaenda. 



8. Gardenieae (C imbr. or conv.) : Randia, Gardenia, Posoquena, 



Duroia. 

 II. COFFEOIDEAE (ovules i in each loculus). 



A. GUETTARDINAE (ovule pendulous; micropyle facing upwards) : 

 i. Vangueneae: Plectronia, Cuviera. 



2. Gnettardeae : Guettarda. 



3. Chiococceae : Chiococca. 



B. PSVCHOTRIINAE- (ovule ascending ; micropyle facing down- 



wards) : 

 a. C convolute. 



4. Ixoreae : Coffea, Ixora, Pavetta. 

 /3. C valvate. 



a. Ovules inserted at base of loculus. 



5. Psychotrieae: Psychotria, Rudgea, Uragoga, Lasianthus, 



Myrmecodia. 



6. Paederieae : Paederia. 



7. Anthospermeae: Nertera, Coprosma, Mitchella. 



8. Coussareeae : Faramea. 



b. Ovules on septum. 



9. Morindeae (slip, undivided, not leafy; trees and shrubs): 



Morinda. 



10. Spermacoceae (slip, divided ; shrubs and undershrubs) : Bor- 



reria. 



1 1. Gaheae (slip, leafy ; herbs) : Sherardia, Crucianella, Asperula, 



Galium, Rubia. 



Rubiales. The 8th order (EP.} of Sympetalae. The ist (BH.) of 

 Gamopetalae. The 8th (Warming) of Sympetalae. 



Rubiginose, rust-coloured. 



Rubus (Tourn.) L. Rosaceae (in. i a). 225 cosmop., esp. N. temp. 

 (5 or 6 in Brit.). Fls. conspic. ; honey secreted by a ring-shaped 

 nectary upon the hollowed axis just within the insertion of the sta. 

 Fls. homogamous, visited by many insects, including bees. Fr. an 

 aggregate of drupes. A'. Chamaemonts L., the cloudberry (arctic, 

 Scotland), has creeping underground stems by means of which 

 a large veg. repr. is carried un. Fls. sol., term, and unisexual, 

 occasionally 5 . K. Idaeus L. (raspberry) multiplies largely by suckers 

 stems which grow out horiz. beneath the soil to some distance, 

 then turn up and give rise to new pi. which flower in their second 

 year. R.fruticosus L. (a general specific name for the oo var. of the 

 common bramble or blackberry) is a hook-climber (the hooks being 

 emergences) sprawling over the surrounding vegetation. Branches 

 which reach the soil often take root there and grow up into new 

 plants. R. caesius L. (dewberry) has fr. covered with bloom (wax) 

 like grapes. R. occidentalis L. is the black-cap raspberry or trimble- 

 berry of N. Am. R. australis Forst. f. has the blades of the leaves 

 reduced to the minimum. Many sp. and vars. of blackberry, rasp- 



